IES/ESE Paper (Mechanical) - 2005 - ISRO, GATE & IES/ESE Mechanical Previous Year Solved Papers - Mechanical Engineering

 Page 1


 1 of 16
 
 
PAPER-II 
 
1. The process of removing the burrs or flash 
from a forged component in. drop forging 
is called: 
a. Swaging  
b. Perforating 
c. Trimming  
d. Fettling 
2. Which of the following materials is used in 
the manufacture of extrusion nozzles? 
a. Grey cast iron  
b. Malleable cast iron  
c. White cast iron  
d. Nodular cast iron 
3. Match List I (Alloy) with List II (Major 
Constituent) and select the correct answer 
using the code given below the List: 
List I  
A. Babbitt 
B. Invar 
C. Gun Metal 
D. Duralumin 
List II  
1. Nickel 
2. Tin and lead 
3. Aluminum 
4. Copper 
A B C D 
a.   2 4 1 3 
b.   3 1 4 2 
c.   2 1 4 3 
d.   3 4 1 2 
4. Consider the following statements about 
medium carbon steel: 
1. It can be quench-hardened but not 
case-hardened. 
2. It cannot be quench-hardened but 
casehardening can be done. 
3. It exhibits distinct yield point under 
tension test 
Which of the following statements given 
above are correct? 
a. 1 and 2  
b. 2 and 3 
c. 1 and 3 
d. 1, 2 and 3 
5. The eutectoid of carbon in Iron, above 
lower critical temperature, when cooled, 
results in: 
a. Ferrite and austenite  
b. Ferrite and Cementite  
c. Cementite and austenite  
d. Ferrite, Cementite and austenite  
6. Consider the following statements about 
FCC and HCP crystal structure: 
1. Both have same coordination number 
and atomic packing fraction. 
2. Both represent closely packed crystal 
structure. 
3. Both structures are generated by 
staking of close packed planes on top 
of one another, but only the stacking 
sequence is different. 
Which of the statements given above are 
correct? 
a. 1 and 2  
b. 2 and 3 
c. 1,2 and 3 
d. 1 and 3 
7. Thermoplastic materials cannot be 
produced by: 
a. Injection modeling process 
b. Extrusion process 
c. Blow molding process 
d. Both (a) and (b) above 
8. increases of ferrite phase in steel increases: 
a. Strength  
b. Hardness 
c. Ductility  
d. Brittleness  
I.E.S. (OBJ) 2005 
M ME EC CH HA AN NI IC CA AL L  E EN NG GI IN NE EE ER RI IN NG G  
www.estudentzone.com
www.estudentzone.com
Page 2


 1 of 16
 
 
PAPER-II 
 
1. The process of removing the burrs or flash 
from a forged component in. drop forging 
is called: 
a. Swaging  
b. Perforating 
c. Trimming  
d. Fettling 
2. Which of the following materials is used in 
the manufacture of extrusion nozzles? 
a. Grey cast iron  
b. Malleable cast iron  
c. White cast iron  
d. Nodular cast iron 
3. Match List I (Alloy) with List II (Major 
Constituent) and select the correct answer 
using the code given below the List: 
List I  
A. Babbitt 
B. Invar 
C. Gun Metal 
D. Duralumin 
List II  
1. Nickel 
2. Tin and lead 
3. Aluminum 
4. Copper 
A B C D 
a.   2 4 1 3 
b.   3 1 4 2 
c.   2 1 4 3 
d.   3 4 1 2 
4. Consider the following statements about 
medium carbon steel: 
1. It can be quench-hardened but not 
case-hardened. 
2. It cannot be quench-hardened but 
casehardening can be done. 
3. It exhibits distinct yield point under 
tension test 
Which of the following statements given 
above are correct? 
a. 1 and 2  
b. 2 and 3 
c. 1 and 3 
d. 1, 2 and 3 
5. The eutectoid of carbon in Iron, above 
lower critical temperature, when cooled, 
results in: 
a. Ferrite and austenite  
b. Ferrite and Cementite  
c. Cementite and austenite  
d. Ferrite, Cementite and austenite  
6. Consider the following statements about 
FCC and HCP crystal structure: 
1. Both have same coordination number 
and atomic packing fraction. 
2. Both represent closely packed crystal 
structure. 
3. Both structures are generated by 
staking of close packed planes on top 
of one another, but only the stacking 
sequence is different. 
Which of the statements given above are 
correct? 
a. 1 and 2  
b. 2 and 3 
c. 1,2 and 3 
d. 1 and 3 
7. Thermoplastic materials cannot be 
produced by: 
a. Injection modeling process 
b. Extrusion process 
c. Blow molding process 
d. Both (a) and (b) above 
8. increases of ferrite phase in steel increases: 
a. Strength  
b. Hardness 
c. Ductility  
d. Brittleness  
I.E.S. (OBJ) 2005 
M ME EC CH HA AN NI IC CA AL L  E EN NG GI IN NE EE ER RI IN NG G  
www.estudentzone.com
www.estudentzone.com
 2 of 16
9. Match List I (Steel) with List II 
(Application) and select the correct answer 
using the code given below the lists: 
List I  
A. Mild steel 
B. Tool steel 
C. High carbon steel 
D. Medium carbon steel 
List II  
1. Ball bearing  
2. Cold chisels  
3. Shaft and axles  
4. Rolled steel sections  
A B C D  
a.   2 1 4 3 
b.   4 3 2 1 
c.   2 3 4 1 
d.   4 1 2 3 
10. Austempering is employed to obtain: 
a. 100% martens tic structure  
b. 100% bainitic structure  
c. 50% martens tic and 50% bainitic 
structure  
d. 100% pearlitic structure   
11. In an assignment problem having n 
facilities and n jobs, what is the number of 
possible ways of making assignments? 
a. n
1
 
b. n
2
 
c. 2n 
d. 2
n
 
12. A 60 C-plain carbon steel has, 
approximately: 
a. 75% of pear and 25% of ferrite  
b. 25% of pearlite and 75% of ferrite  
c. 75% of Cementite and 25% of ferrite  
d. 75% of pearlite and 25% of Cementite  
13. Match List I (Alloying Element) with List 
II (Effect on steel) and select the correct 
answer using the code given below the 
Lists: 
List I  
A. Vanadium 
B. Molybdenum 
C. Silicon  
D. Chromium  
List II  
1. Increases endurance strength  
2. Improves creep properties  
3. Increases hardness 
4. Increases resistance to high 
temperature oxidation  
A B C D 
a.   2 1 3 4 
b.   1 3 2 4 
c.   2 1 4 3 
d.   1 2 4 3 
14. The B.C.C. and H.C.P. metals undergo 
plastic deformation by: 
a. Slip  
b. Twinning 
c. Edge dislocation 
d. Twinning in combination with slip. 
15. If 
c
? and E denote the crushing stress and 
Young’s modulus for the material of a 
column, then the Euler formula can be 
applied for determination of cropping load 
of a column made of this material only, if 
its slenderness ratio is: 
a. More than /
c
E ? ? 
b. Less than /
c
E ? ? 
c. More than 
2
c
E
?
?
??
??
??
 
d. Less than 
2
c
E
?
?
??
??
??
 
16. Beam A is simply supported at its ends 
and carries udl of intensity w over its 
entire length. It is made of steel having 
Young’s modulus E. Beam B is cantilever 
and carries a udl of intensity w/4 over its 
entire length. It is made of brass having 
Young’s modulus E/2. The two beams are 
of same length and have same cross-
sectional area. If 
A
? and 
B
? denote the 
maximum bending stresses developed in 
beams A and B, respectively, then which 
one of the following is ‘correct? 
a. /0
AB
? ? ? 
b. /1.0
AB
? ? ? 
c. /1.0
AB
? ? ? 
www.estudentzone.com
www.estudentzone.com
Page 3


 1 of 16
 
 
PAPER-II 
 
1. The process of removing the burrs or flash 
from a forged component in. drop forging 
is called: 
a. Swaging  
b. Perforating 
c. Trimming  
d. Fettling 
2. Which of the following materials is used in 
the manufacture of extrusion nozzles? 
a. Grey cast iron  
b. Malleable cast iron  
c. White cast iron  
d. Nodular cast iron 
3. Match List I (Alloy) with List II (Major 
Constituent) and select the correct answer 
using the code given below the List: 
List I  
A. Babbitt 
B. Invar 
C. Gun Metal 
D. Duralumin 
List II  
1. Nickel 
2. Tin and lead 
3. Aluminum 
4. Copper 
A B C D 
a.   2 4 1 3 
b.   3 1 4 2 
c.   2 1 4 3 
d.   3 4 1 2 
4. Consider the following statements about 
medium carbon steel: 
1. It can be quench-hardened but not 
case-hardened. 
2. It cannot be quench-hardened but 
casehardening can be done. 
3. It exhibits distinct yield point under 
tension test 
Which of the following statements given 
above are correct? 
a. 1 and 2  
b. 2 and 3 
c. 1 and 3 
d. 1, 2 and 3 
5. The eutectoid of carbon in Iron, above 
lower critical temperature, when cooled, 
results in: 
a. Ferrite and austenite  
b. Ferrite and Cementite  
c. Cementite and austenite  
d. Ferrite, Cementite and austenite  
6. Consider the following statements about 
FCC and HCP crystal structure: 
1. Both have same coordination number 
and atomic packing fraction. 
2. Both represent closely packed crystal 
structure. 
3. Both structures are generated by 
staking of close packed planes on top 
of one another, but only the stacking 
sequence is different. 
Which of the statements given above are 
correct? 
a. 1 and 2  
b. 2 and 3 
c. 1,2 and 3 
d. 1 and 3 
7. Thermoplastic materials cannot be 
produced by: 
a. Injection modeling process 
b. Extrusion process 
c. Blow molding process 
d. Both (a) and (b) above 
8. increases of ferrite phase in steel increases: 
a. Strength  
b. Hardness 
c. Ductility  
d. Brittleness  
I.E.S. (OBJ) 2005 
M ME EC CH HA AN NI IC CA AL L  E EN NG GI IN NE EE ER RI IN NG G  
www.estudentzone.com
www.estudentzone.com
 2 of 16
9. Match List I (Steel) with List II 
(Application) and select the correct answer 
using the code given below the lists: 
List I  
A. Mild steel 
B. Tool steel 
C. High carbon steel 
D. Medium carbon steel 
List II  
1. Ball bearing  
2. Cold chisels  
3. Shaft and axles  
4. Rolled steel sections  
A B C D  
a.   2 1 4 3 
b.   4 3 2 1 
c.   2 3 4 1 
d.   4 1 2 3 
10. Austempering is employed to obtain: 
a. 100% martens tic structure  
b. 100% bainitic structure  
c. 50% martens tic and 50% bainitic 
structure  
d. 100% pearlitic structure   
11. In an assignment problem having n 
facilities and n jobs, what is the number of 
possible ways of making assignments? 
a. n
1
 
b. n
2
 
c. 2n 
d. 2
n
 
12. A 60 C-plain carbon steel has, 
approximately: 
a. 75% of pear and 25% of ferrite  
b. 25% of pearlite and 75% of ferrite  
c. 75% of Cementite and 25% of ferrite  
d. 75% of pearlite and 25% of Cementite  
13. Match List I (Alloying Element) with List 
II (Effect on steel) and select the correct 
answer using the code given below the 
Lists: 
List I  
A. Vanadium 
B. Molybdenum 
C. Silicon  
D. Chromium  
List II  
1. Increases endurance strength  
2. Improves creep properties  
3. Increases hardness 
4. Increases resistance to high 
temperature oxidation  
A B C D 
a.   2 1 3 4 
b.   1 3 2 4 
c.   2 1 4 3 
d.   1 2 4 3 
14. The B.C.C. and H.C.P. metals undergo 
plastic deformation by: 
a. Slip  
b. Twinning 
c. Edge dislocation 
d. Twinning in combination with slip. 
15. If 
c
? and E denote the crushing stress and 
Young’s modulus for the material of a 
column, then the Euler formula can be 
applied for determination of cropping load 
of a column made of this material only, if 
its slenderness ratio is: 
a. More than /
c
E ? ? 
b. Less than /
c
E ? ? 
c. More than 
2
c
E
?
?
??
??
??
 
d. Less than 
2
c
E
?
?
??
??
??
 
16. Beam A is simply supported at its ends 
and carries udl of intensity w over its 
entire length. It is made of steel having 
Young’s modulus E. Beam B is cantilever 
and carries a udl of intensity w/4 over its 
entire length. It is made of brass having 
Young’s modulus E/2. The two beams are 
of same length and have same cross-
sectional area. If 
A
? and 
B
? denote the 
maximum bending stresses developed in 
beams A and B, respectively, then which 
one of the following is ‘correct? 
a. /0
AB
? ? ? 
b. /1.0
AB
? ? ? 
c. /1.0
AB
? ? ? 
www.estudentzone.com
www.estudentzone.com
 3 of 16
d. /
A B
? ? depends on the shape of cross-
section  
17. Consider the following statements: 
1. Coriolis acceleration in a slotted bar 
mechanism is always perpendicular to 
the direction of the slotted bar. 
2. In a 4-link mechanism, the 
instantaneous centre of rotation of the 
input link and output link always lies 
on a straight line along the coupler. 
Which of the statements given above is/are 
correct? 
a. 1 only  
b. 2 only  
c. Both 1 and 2  
d. Neither 1 nor 2 
18. Which of the following types of stresses 
is/are ‘involved in the wire-drawing 
operation? 
a. Tensile only 
b. Compressive only 
c. A combination of tensile and 
compressive stresses 
d. A combination of tensile, compressive 
and shear stresses  
19. Match List I (Type of Forging) with List II 
(Operation) and select the correct answer 
using the code given below the Lists: 
List I  
A. Drop Forging 
B. Press Forging 
C. Upset Forging 
D. Roll Forging 
List II 
1. Metal is gripped in the dies and 
pressure is applied on the heated end. 
2. Squeezing action  
3. Metal is placed between rollers and 
pushed  
4. Repeated hammer blows  
A B C D 
a.   4 1 2 3 
b.   3 2 1 4 
c.   4 2 1 3 
d.   3 1 2 4 
20. The complete phase recrystallisation  and 
fine grain structure is obtained in casting, 
forging and rolled parts by: 
a. Recrystallisation annealing  
b. Normalizing 
c. Spheroidising  
d. Austenising 
21. Match List I with List II and select the. 
correct answer using the code given below 
the Lists: 
List I  
A. Transportation Problem 
B. Assignment Problem 
C. Dynamic Problem 
D. PERT 
List II  
1. Critical Path 
2. Stage Coach 
3. Vogel’s Approximate Method 
4. Hungarian Method 
A B C D 
a.   2 1 3 4 
b.   3 4 2 1 
c.   2 4 3 1 
d.   3 1 2 4 
22. A tie for leaving variables in simple 
procedure implies: 
a. Optimality  
b. Cycling 
c. No solution  
d. Degeneracy 
23. A control chart is established with limits o 
± 2 standard errors for use in monitoring 
samples of size n = 20. Assume the 
process to be in control. What. is the 
likelihood of a sample mean falling 
outside the control limits? 
a. 97.7%  
b. 95.5% 
c. 4.5%  
d. 2.3% 
24. Which of the following are needed as the 
input data for materials requirement 
planning? 
1. Weekly production schedule  
2. Bill of material 
3. Supplier lead time 
www.estudentzone.com
www.estudentzone.com
Page 4


 1 of 16
 
 
PAPER-II 
 
1. The process of removing the burrs or flash 
from a forged component in. drop forging 
is called: 
a. Swaging  
b. Perforating 
c. Trimming  
d. Fettling 
2. Which of the following materials is used in 
the manufacture of extrusion nozzles? 
a. Grey cast iron  
b. Malleable cast iron  
c. White cast iron  
d. Nodular cast iron 
3. Match List I (Alloy) with List II (Major 
Constituent) and select the correct answer 
using the code given below the List: 
List I  
A. Babbitt 
B. Invar 
C. Gun Metal 
D. Duralumin 
List II  
1. Nickel 
2. Tin and lead 
3. Aluminum 
4. Copper 
A B C D 
a.   2 4 1 3 
b.   3 1 4 2 
c.   2 1 4 3 
d.   3 4 1 2 
4. Consider the following statements about 
medium carbon steel: 
1. It can be quench-hardened but not 
case-hardened. 
2. It cannot be quench-hardened but 
casehardening can be done. 
3. It exhibits distinct yield point under 
tension test 
Which of the following statements given 
above are correct? 
a. 1 and 2  
b. 2 and 3 
c. 1 and 3 
d. 1, 2 and 3 
5. The eutectoid of carbon in Iron, above 
lower critical temperature, when cooled, 
results in: 
a. Ferrite and austenite  
b. Ferrite and Cementite  
c. Cementite and austenite  
d. Ferrite, Cementite and austenite  
6. Consider the following statements about 
FCC and HCP crystal structure: 
1. Both have same coordination number 
and atomic packing fraction. 
2. Both represent closely packed crystal 
structure. 
3. Both structures are generated by 
staking of close packed planes on top 
of one another, but only the stacking 
sequence is different. 
Which of the statements given above are 
correct? 
a. 1 and 2  
b. 2 and 3 
c. 1,2 and 3 
d. 1 and 3 
7. Thermoplastic materials cannot be 
produced by: 
a. Injection modeling process 
b. Extrusion process 
c. Blow molding process 
d. Both (a) and (b) above 
8. increases of ferrite phase in steel increases: 
a. Strength  
b. Hardness 
c. Ductility  
d. Brittleness  
I.E.S. (OBJ) 2005 
M ME EC CH HA AN NI IC CA AL L  E EN NG GI IN NE EE ER RI IN NG G  
www.estudentzone.com
www.estudentzone.com
 2 of 16
9. Match List I (Steel) with List II 
(Application) and select the correct answer 
using the code given below the lists: 
List I  
A. Mild steel 
B. Tool steel 
C. High carbon steel 
D. Medium carbon steel 
List II  
1. Ball bearing  
2. Cold chisels  
3. Shaft and axles  
4. Rolled steel sections  
A B C D  
a.   2 1 4 3 
b.   4 3 2 1 
c.   2 3 4 1 
d.   4 1 2 3 
10. Austempering is employed to obtain: 
a. 100% martens tic structure  
b. 100% bainitic structure  
c. 50% martens tic and 50% bainitic 
structure  
d. 100% pearlitic structure   
11. In an assignment problem having n 
facilities and n jobs, what is the number of 
possible ways of making assignments? 
a. n
1
 
b. n
2
 
c. 2n 
d. 2
n
 
12. A 60 C-plain carbon steel has, 
approximately: 
a. 75% of pear and 25% of ferrite  
b. 25% of pearlite and 75% of ferrite  
c. 75% of Cementite and 25% of ferrite  
d. 75% of pearlite and 25% of Cementite  
13. Match List I (Alloying Element) with List 
II (Effect on steel) and select the correct 
answer using the code given below the 
Lists: 
List I  
A. Vanadium 
B. Molybdenum 
C. Silicon  
D. Chromium  
List II  
1. Increases endurance strength  
2. Improves creep properties  
3. Increases hardness 
4. Increases resistance to high 
temperature oxidation  
A B C D 
a.   2 1 3 4 
b.   1 3 2 4 
c.   2 1 4 3 
d.   1 2 4 3 
14. The B.C.C. and H.C.P. metals undergo 
plastic deformation by: 
a. Slip  
b. Twinning 
c. Edge dislocation 
d. Twinning in combination with slip. 
15. If 
c
? and E denote the crushing stress and 
Young’s modulus for the material of a 
column, then the Euler formula can be 
applied for determination of cropping load 
of a column made of this material only, if 
its slenderness ratio is: 
a. More than /
c
E ? ? 
b. Less than /
c
E ? ? 
c. More than 
2
c
E
?
?
??
??
??
 
d. Less than 
2
c
E
?
?
??
??
??
 
16. Beam A is simply supported at its ends 
and carries udl of intensity w over its 
entire length. It is made of steel having 
Young’s modulus E. Beam B is cantilever 
and carries a udl of intensity w/4 over its 
entire length. It is made of brass having 
Young’s modulus E/2. The two beams are 
of same length and have same cross-
sectional area. If 
A
? and 
B
? denote the 
maximum bending stresses developed in 
beams A and B, respectively, then which 
one of the following is ‘correct? 
a. /0
AB
? ? ? 
b. /1.0
AB
? ? ? 
c. /1.0
AB
? ? ? 
www.estudentzone.com
www.estudentzone.com
 3 of 16
d. /
A B
? ? depends on the shape of cross-
section  
17. Consider the following statements: 
1. Coriolis acceleration in a slotted bar 
mechanism is always perpendicular to 
the direction of the slotted bar. 
2. In a 4-link mechanism, the 
instantaneous centre of rotation of the 
input link and output link always lies 
on a straight line along the coupler. 
Which of the statements given above is/are 
correct? 
a. 1 only  
b. 2 only  
c. Both 1 and 2  
d. Neither 1 nor 2 
18. Which of the following types of stresses 
is/are ‘involved in the wire-drawing 
operation? 
a. Tensile only 
b. Compressive only 
c. A combination of tensile and 
compressive stresses 
d. A combination of tensile, compressive 
and shear stresses  
19. Match List I (Type of Forging) with List II 
(Operation) and select the correct answer 
using the code given below the Lists: 
List I  
A. Drop Forging 
B. Press Forging 
C. Upset Forging 
D. Roll Forging 
List II 
1. Metal is gripped in the dies and 
pressure is applied on the heated end. 
2. Squeezing action  
3. Metal is placed between rollers and 
pushed  
4. Repeated hammer blows  
A B C D 
a.   4 1 2 3 
b.   3 2 1 4 
c.   4 2 1 3 
d.   3 1 2 4 
20. The complete phase recrystallisation  and 
fine grain structure is obtained in casting, 
forging and rolled parts by: 
a. Recrystallisation annealing  
b. Normalizing 
c. Spheroidising  
d. Austenising 
21. Match List I with List II and select the. 
correct answer using the code given below 
the Lists: 
List I  
A. Transportation Problem 
B. Assignment Problem 
C. Dynamic Problem 
D. PERT 
List II  
1. Critical Path 
2. Stage Coach 
3. Vogel’s Approximate Method 
4. Hungarian Method 
A B C D 
a.   2 1 3 4 
b.   3 4 2 1 
c.   2 4 3 1 
d.   3 1 2 4 
22. A tie for leaving variables in simple 
procedure implies: 
a. Optimality  
b. Cycling 
c. No solution  
d. Degeneracy 
23. A control chart is established with limits o 
± 2 standard errors for use in monitoring 
samples of size n = 20. Assume the 
process to be in control. What. is the 
likelihood of a sample mean falling 
outside the control limits? 
a. 97.7%  
b. 95.5% 
c. 4.5%  
d. 2.3% 
24. Which of the following are needed as the 
input data for materials requirement 
planning? 
1. Weekly production schedule  
2. Bill of material 
3. Supplier lead time 
www.estudentzone.com
www.estudentzone.com
 4 of 16
4. Market forecast 
Select the correct answer using the code 
given below: 
a. 1,2 and 3 
b. 2,3 and 4 
c. 1 and 4 
d. 1,2,3 and 4 
25. In ABC analysis, A item require: 
a. No safety stock  
b. Low safety stock 
c. Moderate safety stock  
d. High safety stock   
26. The critical path of a network is the path 
that: 
a. Takes the shortest time 
b. Takes the longest time  
c. Has the minimum variance  
d. Has the maximum variance  
27. In a small engineering project, for an 
activity the optimistic time is 2 minutes, 
the most likely time is 5 minutes and the 
pessimistic time is 8 minutes. What is the 
expected time of the activity? 
a. 1 minutes  
b. 5 minutes  
c. 8 minutes  
d. 18 minutes  
28. What are the key functions of a master 
schedule? 
1. To generate material and capacity 
requirements  
2. To maintain valid priorities  
3. An effective capacity utilization  
4. Planning the quantity and timing of 
output over the intermediate time 
horizons  
Select the correct answer using the code 
given below: 
a. 1,2 and 3 
b. 2,3 and 4 
c. 1,3 and 4 
d. 1,2 and 4 
29. Match List I (An Element of Jigs and 
Fixtures) with List II (Associating system) 
and select the correct answer using the 
code given below the Lists: 
List I  
A. Bush 
B. Setting block 
C. Diamond pin 
D. V-block 
List II  
1. Milling fixture 
2. Turning fixture 
3. Radial location 
4. Cylindrical location 
5. Drill jigs 
A B C D 
a.   5 4 3 1 
b.   3 1 2 4 
c.   5 1 3 4 
d.   3 4 2 1 
30. Which one of the following forecasting 
techniques is most suitable for making 
long range forecasts? 
a. Time series analysis  
b. Regression analysis 
c. Exponential smoothing  
d. Market Surveys 
31. The rating life of a group of apparently 
identical ball bearings is defined as the 
number of revolutions or exceeded before 
the first evidence of fatigue crack by: 
a. 100% of the bearings of the group 
b. 95% of the bearings of the group 
c. 90% of the bearings of the group 
d. 66.66% of the bearings of the group 
32.  
 
 Figure given above shows a spring-mass 
system where the mass m is fixed in 
between two springs of stiff nesses S
1
 and 
S
2
. What is the equivalent spring stiffness? 
a. S
1
–S
2
 
b. S
1
+S
2
 
c. 
12
12
SS
SS
?
 
www.estudentzone.com
www.estudentzone.com
Page 5


 1 of 16
 
 
PAPER-II 
 
1. The process of removing the burrs or flash 
from a forged component in. drop forging 
is called: 
a. Swaging  
b. Perforating 
c. Trimming  
d. Fettling 
2. Which of the following materials is used in 
the manufacture of extrusion nozzles? 
a. Grey cast iron  
b. Malleable cast iron  
c. White cast iron  
d. Nodular cast iron 
3. Match List I (Alloy) with List II (Major 
Constituent) and select the correct answer 
using the code given below the List: 
List I  
A. Babbitt 
B. Invar 
C. Gun Metal 
D. Duralumin 
List II  
1. Nickel 
2. Tin and lead 
3. Aluminum 
4. Copper 
A B C D 
a.   2 4 1 3 
b.   3 1 4 2 
c.   2 1 4 3 
d.   3 4 1 2 
4. Consider the following statements about 
medium carbon steel: 
1. It can be quench-hardened but not 
case-hardened. 
2. It cannot be quench-hardened but 
casehardening can be done. 
3. It exhibits distinct yield point under 
tension test 
Which of the following statements given 
above are correct? 
a. 1 and 2  
b. 2 and 3 
c. 1 and 3 
d. 1, 2 and 3 
5. The eutectoid of carbon in Iron, above 
lower critical temperature, when cooled, 
results in: 
a. Ferrite and austenite  
b. Ferrite and Cementite  
c. Cementite and austenite  
d. Ferrite, Cementite and austenite  
6. Consider the following statements about 
FCC and HCP crystal structure: 
1. Both have same coordination number 
and atomic packing fraction. 
2. Both represent closely packed crystal 
structure. 
3. Both structures are generated by 
staking of close packed planes on top 
of one another, but only the stacking 
sequence is different. 
Which of the statements given above are 
correct? 
a. 1 and 2  
b. 2 and 3 
c. 1,2 and 3 
d. 1 and 3 
7. Thermoplastic materials cannot be 
produced by: 
a. Injection modeling process 
b. Extrusion process 
c. Blow molding process 
d. Both (a) and (b) above 
8. increases of ferrite phase in steel increases: 
a. Strength  
b. Hardness 
c. Ductility  
d. Brittleness  
I.E.S. (OBJ) 2005 
M ME EC CH HA AN NI IC CA AL L  E EN NG GI IN NE EE ER RI IN NG G  
www.estudentzone.com
www.estudentzone.com
 2 of 16
9. Match List I (Steel) with List II 
(Application) and select the correct answer 
using the code given below the lists: 
List I  
A. Mild steel 
B. Tool steel 
C. High carbon steel 
D. Medium carbon steel 
List II  
1. Ball bearing  
2. Cold chisels  
3. Shaft and axles  
4. Rolled steel sections  
A B C D  
a.   2 1 4 3 
b.   4 3 2 1 
c.   2 3 4 1 
d.   4 1 2 3 
10. Austempering is employed to obtain: 
a. 100% martens tic structure  
b. 100% bainitic structure  
c. 50% martens tic and 50% bainitic 
structure  
d. 100% pearlitic structure   
11. In an assignment problem having n 
facilities and n jobs, what is the number of 
possible ways of making assignments? 
a. n
1
 
b. n
2
 
c. 2n 
d. 2
n
 
12. A 60 C-plain carbon steel has, 
approximately: 
a. 75% of pear and 25% of ferrite  
b. 25% of pearlite and 75% of ferrite  
c. 75% of Cementite and 25% of ferrite  
d. 75% of pearlite and 25% of Cementite  
13. Match List I (Alloying Element) with List 
II (Effect on steel) and select the correct 
answer using the code given below the 
Lists: 
List I  
A. Vanadium 
B. Molybdenum 
C. Silicon  
D. Chromium  
List II  
1. Increases endurance strength  
2. Improves creep properties  
3. Increases hardness 
4. Increases resistance to high 
temperature oxidation  
A B C D 
a.   2 1 3 4 
b.   1 3 2 4 
c.   2 1 4 3 
d.   1 2 4 3 
14. The B.C.C. and H.C.P. metals undergo 
plastic deformation by: 
a. Slip  
b. Twinning 
c. Edge dislocation 
d. Twinning in combination with slip. 
15. If 
c
? and E denote the crushing stress and 
Young’s modulus for the material of a 
column, then the Euler formula can be 
applied for determination of cropping load 
of a column made of this material only, if 
its slenderness ratio is: 
a. More than /
c
E ? ? 
b. Less than /
c
E ? ? 
c. More than 
2
c
E
?
?
??
??
??
 
d. Less than 
2
c
E
?
?
??
??
??
 
16. Beam A is simply supported at its ends 
and carries udl of intensity w over its 
entire length. It is made of steel having 
Young’s modulus E. Beam B is cantilever 
and carries a udl of intensity w/4 over its 
entire length. It is made of brass having 
Young’s modulus E/2. The two beams are 
of same length and have same cross-
sectional area. If 
A
? and 
B
? denote the 
maximum bending stresses developed in 
beams A and B, respectively, then which 
one of the following is ‘correct? 
a. /0
AB
? ? ? 
b. /1.0
AB
? ? ? 
c. /1.0
AB
? ? ? 
www.estudentzone.com
www.estudentzone.com
 3 of 16
d. /
A B
? ? depends on the shape of cross-
section  
17. Consider the following statements: 
1. Coriolis acceleration in a slotted bar 
mechanism is always perpendicular to 
the direction of the slotted bar. 
2. In a 4-link mechanism, the 
instantaneous centre of rotation of the 
input link and output link always lies 
on a straight line along the coupler. 
Which of the statements given above is/are 
correct? 
a. 1 only  
b. 2 only  
c. Both 1 and 2  
d. Neither 1 nor 2 
18. Which of the following types of stresses 
is/are ‘involved in the wire-drawing 
operation? 
a. Tensile only 
b. Compressive only 
c. A combination of tensile and 
compressive stresses 
d. A combination of tensile, compressive 
and shear stresses  
19. Match List I (Type of Forging) with List II 
(Operation) and select the correct answer 
using the code given below the Lists: 
List I  
A. Drop Forging 
B. Press Forging 
C. Upset Forging 
D. Roll Forging 
List II 
1. Metal is gripped in the dies and 
pressure is applied on the heated end. 
2. Squeezing action  
3. Metal is placed between rollers and 
pushed  
4. Repeated hammer blows  
A B C D 
a.   4 1 2 3 
b.   3 2 1 4 
c.   4 2 1 3 
d.   3 1 2 4 
20. The complete phase recrystallisation  and 
fine grain structure is obtained in casting, 
forging and rolled parts by: 
a. Recrystallisation annealing  
b. Normalizing 
c. Spheroidising  
d. Austenising 
21. Match List I with List II and select the. 
correct answer using the code given below 
the Lists: 
List I  
A. Transportation Problem 
B. Assignment Problem 
C. Dynamic Problem 
D. PERT 
List II  
1. Critical Path 
2. Stage Coach 
3. Vogel’s Approximate Method 
4. Hungarian Method 
A B C D 
a.   2 1 3 4 
b.   3 4 2 1 
c.   2 4 3 1 
d.   3 1 2 4 
22. A tie for leaving variables in simple 
procedure implies: 
a. Optimality  
b. Cycling 
c. No solution  
d. Degeneracy 
23. A control chart is established with limits o 
± 2 standard errors for use in monitoring 
samples of size n = 20. Assume the 
process to be in control. What. is the 
likelihood of a sample mean falling 
outside the control limits? 
a. 97.7%  
b. 95.5% 
c. 4.5%  
d. 2.3% 
24. Which of the following are needed as the 
input data for materials requirement 
planning? 
1. Weekly production schedule  
2. Bill of material 
3. Supplier lead time 
www.estudentzone.com
www.estudentzone.com
 4 of 16
4. Market forecast 
Select the correct answer using the code 
given below: 
a. 1,2 and 3 
b. 2,3 and 4 
c. 1 and 4 
d. 1,2,3 and 4 
25. In ABC analysis, A item require: 
a. No safety stock  
b. Low safety stock 
c. Moderate safety stock  
d. High safety stock   
26. The critical path of a network is the path 
that: 
a. Takes the shortest time 
b. Takes the longest time  
c. Has the minimum variance  
d. Has the maximum variance  
27. In a small engineering project, for an 
activity the optimistic time is 2 minutes, 
the most likely time is 5 minutes and the 
pessimistic time is 8 minutes. What is the 
expected time of the activity? 
a. 1 minutes  
b. 5 minutes  
c. 8 minutes  
d. 18 minutes  
28. What are the key functions of a master 
schedule? 
1. To generate material and capacity 
requirements  
2. To maintain valid priorities  
3. An effective capacity utilization  
4. Planning the quantity and timing of 
output over the intermediate time 
horizons  
Select the correct answer using the code 
given below: 
a. 1,2 and 3 
b. 2,3 and 4 
c. 1,3 and 4 
d. 1,2 and 4 
29. Match List I (An Element of Jigs and 
Fixtures) with List II (Associating system) 
and select the correct answer using the 
code given below the Lists: 
List I  
A. Bush 
B. Setting block 
C. Diamond pin 
D. V-block 
List II  
1. Milling fixture 
2. Turning fixture 
3. Radial location 
4. Cylindrical location 
5. Drill jigs 
A B C D 
a.   5 4 3 1 
b.   3 1 2 4 
c.   5 1 3 4 
d.   3 4 2 1 
30. Which one of the following forecasting 
techniques is most suitable for making 
long range forecasts? 
a. Time series analysis  
b. Regression analysis 
c. Exponential smoothing  
d. Market Surveys 
31. The rating life of a group of apparently 
identical ball bearings is defined as the 
number of revolutions or exceeded before 
the first evidence of fatigue crack by: 
a. 100% of the bearings of the group 
b. 95% of the bearings of the group 
c. 90% of the bearings of the group 
d. 66.66% of the bearings of the group 
32.  
 
 Figure given above shows a spring-mass 
system where the mass m is fixed in 
between two springs of stiff nesses S
1
 and 
S
2
. What is the equivalent spring stiffness? 
a. S
1
–S
2
 
b. S
1
+S
2
 
c. 
12
12
SS
SS
?
 
www.estudentzone.com
www.estudentzone.com
 5 of 16
d. 
12
12
SS
SS
?
 
33.  
 
The above figure shows a cam with a 
circular profile, rotating with a uniform 
angular velocity of ? rad/s. What is the 
nature of displacement of the follower? 
a. Uniform  
b. Parabolic 
c. Simple harmonic  
d. Cycloidal 
34.  
 
 In the figure given above, the link 2 rotates 
at an angular velocity of 2 rad/s. What is 
the magnitude of Coriolis acceleration 
experienced by the link 4? 
a. 0 
b. 0.8 m/s
2
 
c. 0.24 m/s
2
 
d. 0.32 m/s
2
 
35. Which one of the following governors is 
used to drive a gramophone? 
a. Watt governor  
b. Porter governor 
c. Pickering governor  
d. Hartnell governor 
36. A Hooks’s Joint is used to connect two: 
a. Coplanar and non-parallel shafts 
b. Non-coplanar and non-parallel shafts 
c. Coplanar and parallel shafts 
d. Non-coplanar and parallel shafts 
37. A circular section rod ABC is fixed at ends 
A and C. It is subjected to torque T at B. 
AB = BC = L and the polar moment of 
inertia of portions AB and BC are 2 J and J 
respectively. If G is the modulus of 
rigidity, what is the angle of twist at point 
B? 
a. 
3
TL
GJ
 
b. 
2
TL
GJ
 
c. 
TL
GJ
 
d. 
2TL
GJ
 
38. Consider the following statements: 
1. The degree of freedom for lower 
kinematic pairs is always equal to one.  
2. A ball-and-socket joint has 3 degrees 
of freedom and is a higher kinematic 
pair 
3. Oldham’s coupling mechanism has 
two prismatic pairs and two revolute 
pairs. 
Which of the statements given above is/are 
correct? 
a. 1, 2 and 3  
b. 1 only 
c. 2 and 3  
d. 3 only 
39. Consider the following statements: 
1. The effect of gyroscopic couple on a 
car while negotiating a curve is that its 
outer wheels tend to get lifted from the 
ground.  
2. If spin vector is rotated about the 
precession vector axis in a direction 
opposite to that of precession through 
90°, the new position of the spin vector 
indicates the direction of the torque 
vector. 
Which of the following statements given 
above is/are correct? 
a. 1 only  
b. 2 only 
c. Both 1 and 2 
d. Neither 1 nor 2 
40. In a Kinematic chain, a quaternary joint is 
equivalent to: 
a. One binary joint  
b. Two binary joints  
www.estudentzone.com
www.estudentzone.com