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Practice Test: Mechanical Engineering (ME)- 10 - Mechanical Engineering MCQ
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30 Questions MCQ Test GATE Mechanical (ME) Mock Test Series 2025 - Practice Test: Mechanical Engineering (ME)- 10
Practice Test: Mechanical Engineering (ME)- 10 for Mechanical Engineering 2024 is part of GATE Mechanical (ME) Mock Test Series 2025 preparation. The Practice Test: Mechanical Engineering (ME)- 10 questions and answers have been
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Practice Test: Mechanical Engineering (ME)- 10 - Question 1
“Wanted a two bedroom flat in the court area for immediate possession” - An Advertisement.
Assumptions:
I. Flats are available in the court area
II. Some people will respond to the advertisement
III. It is a practice to give such an advertisement
Practice Test: Mechanical Engineering (ME)- 10 - Question 2
Which of the following is most similar in meaning to the given word
DIRE
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Practice Test: Mechanical Engineering (ME)- 10 - Question 3
In the question given below, the sentence has a part printed in bold. That part may contain a grammatical error. Replace that part with four choices given below:
The famous playwright has been in the sick bed from the last one week
Practice Test: Mechanical Engineering (ME)- 10 - Question 4
He always _________ you in his letters
Practice Test: Mechanical Engineering (ME)- 10 - Question 5
His health ____________ under the pressure of work.
Practice Test: Mechanical Engineering (ME)- 10 - Question 6
A, B and C shoots to hit a target. If A hits the target 4 times in 5 trials, B hits in 3 times in 4 trials and C hits it 2 times in 3 trials. What is the probability that the target is hit by at least 2 persons?
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 6
Practice Test: Mechanical Engineering (ME)- 10 - Question 7
Two liquids are mixed in the ratio 4:3 and the mixture is sold at Rs 20 with a profit of
%. If the first liquid is costlier than the second by Rs 7. Find the sum of costs of both the liquids.
%. If the first liquid is costlier than the second by Rs 7. Find the sum of costs of both the liquids.
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 7
%
=15 Rs
Practice Test: Mechanical Engineering (ME)- 10 - Question 8
Henry and Ford worked together to complete a task in 10 days. Had Henry worked with half of his efficiency and Ford at 5 times of his efficiency it would have taken them to finish the job in 50% of the scheduled time. In how many days can Ford complete the job working alone?
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 8
Practice Test: Mechanical Engineering (ME)- 10 - Question 9
A new flag is to be designed with six vertical stripes using some or all of the colours- yellow, green, blue and red. Then the number of ways this can be done such that no two adjacent stripes have the same colour out is:
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 9
stripe can be coloured in 4ways, 
in 3, 
in 3 and so on.Thus, total number of ways = 4×3×3×3×3×3=12×81
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 10
=y
=3y
Practice Test: Mechanical Engineering (ME)- 10 - Question 12
The divergence of the field 
at (1, 2, 1) is
at (1, 2, 1) is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 12
Practice Test: Mechanical Engineering (ME)- 10 - Question 13
The argument of the complex number 
is
is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 13
Practice Test: Mechanical Engineering (ME)- 10 - Question 14
The velocity ratio in case of an inclined plane inclined at angle θ to the horizontal and weight being pulled up the inclined plane by vertical effort is
Practice Test: Mechanical Engineering (ME)- 10 - Question 15
During non-flow reversible process, a gas enclosed in piston cylinder assembly expands from 3
to 6 
P = -3v+15 where, P is in bar, V is volume in 
Determine the work interaction.
to 6 P = -3v+15 where, P is in bar, V is volume in Determine the work interaction.
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 15
Practice Test: Mechanical Engineering (ME)- 10 - Question 17
Surface is at 
and is exposed to surroundings at 
and convicts and radiates heat to the surroundings. The convection co-efficient is 80 
K.The radiation factor is one. If the heat is conducted to the surface through a solid of conductivity 12 W then the temperature gradient at the surface of the solid is
and is exposed to surroundings at and convicts and radiates heat to the surroundings. The convection co-efficient is 80 K.The radiation factor is one. If the heat is conducted to the surface through a solid of conductivity 12 W then the temperature gradient at the surface of the solid is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 17
,
Practice Test: Mechanical Engineering (ME)- 10 - Question 18
Air at 1100 K & 101.32 kPa is passing through a converging nozzle and leaves it at 300K. Determine velocity of air at nozzle exit. Nozzle is horizontal. Inlet velocity of air can be ignored. 
= 1 kJ/kg K
= 1 kJ/kg K
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 18
Practice Test: Mechanical Engineering (ME)- 10 - Question 19
In an NC machine, the tool is programmed to move along a circular arc from 
to 
taking the center of the arc O[15, 20]. The tool path command followed by the tool is
to taking the center of the arc O[15, 20]. The tool path command followed by the tool is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 19
Practice Test: Mechanical Engineering (ME)- 10 - Question 20
During a certain reversible process, for a closed system, the entropy of system increases by 4 kJ/K. If the process occurs at a constant temperature of 500 K, the heat input to the system will be
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 20
500(4)=2000 kJ
Practice Test: Mechanical Engineering (ME)- 10 - Question 21
The polar modulus for a hollow shaft of outer diameter (D) and inner diameter (d) is
Practice Test: Mechanical Engineering (ME)- 10 - Question 22
The men's department of a large store employs one tailor for customer fittings. The number of customers requiring fitting appears to follow a Poisson distribution with a mean arrival rate is 24 per hour. Customers fitting time follows an exponential distribution with a mean of 2 minute. The time (minute) a customer is expected to spend in the fitting row is………….
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 22
Practice Test: Mechanical Engineering (ME)- 10 - Question 23
A boat sails across a river with a velocity of 10 km/hr. If resultant boat velocity is 14 km/hr, then what is the velocity of river water?
Practice Test: Mechanical Engineering (ME)- 10 - Question 24
Which of the following is incorrectly matched?
Practice Test: Mechanical Engineering (ME)- 10 - Question 25
When an ideal gas expands, its temperature
Practice Test: Mechanical Engineering (ME)- 10 - Question 26
A steel rod 
12 mm is diameter and 60 mm long, with an insulated end,is to be used as a spine. It is exposed to surroundings with a temperature of 60°C and a heat transfer coefficient of 55 W/m2°C. The temperature at the base of fin is 95°C. The fin efficiency is
12 mm is diameter and 60 mm long, with an insulated end,is to be used as a spine. It is exposed to surroundings with a temperature of 60°C and a heat transfer coefficient of 55 W/m2°C. The temperature at the base of fin is 95°C. The fin efficiency is
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 26
Practice Test: Mechanical Engineering (ME)- 10 - Question 27
In a certain cooling dehumidification operation, 360 kg/h of air (DBT 35°C & RH 50%) is blown over a cooling coil having apparatus dew point of 5°C, assuming a bypass factor 15% determine outlet conditions of air
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 27
Practice Test: Mechanical Engineering (ME)- 10 - Question 28
If amplitude of vibration reduces to 0.25 of its initial value after five oscillations. The longitudinal decrement will be:
Detailed Solution for Practice Test: Mechanical Engineering (ME)- 10 - Question 28
Practice Test: Mechanical Engineering (ME)- 10 - Question 29
In ECM, the material removal rate will be higher for metal with:
Practice Test: Mechanical Engineering (ME)- 10 - Question 30
Which of the following statement is correct? In case of clutches, the uniform pressure theory
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