Mechanical Engineering > Test: Strength of Materials - 2

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Test: Strength of Materials - 2 - Question 1

If a column is changed from both ends fixed toboth ends hinged its load carrying capacity .

Test: Strength of Materials - 2 - Question 2

Shown below are two cross sections of two shafts 1 and 2. The ratio of maximum torque carring capacity . If they are made of same material is

d/D = 1/2

Test: Strength of Materials - 2 - Question 3

The maximum deflection of a simply supported beam due to its self weight (W) is.

Test: Strength of Materials - 2 - Question 4

It flexural strength decreases the maximum slopeof any beam

Test: Strength of Materials - 2 - Question 5

If temperature of a freely hanging bar is increasedit will develope : -

Test: Strength of Materials - 2 - Question 6

Find the increase in temperature (DT) so that the gap gets filled

Test: Strength of Materials - 2 - Question 7

The ratio of hoop stress for a thin cylinder andthin spherical pressure vessel is

Test: Strength of Materials - 2 - Question 8

A spherical pressure vessel is to be designed tohold 40 MPa pressure and Diameter should be200 mm. If max stress can be 200 MPa find thethickness required.

Test: Strength of Materials - 2 - Question 11

Shown is a B.M.D

In the above diagram point of contraflexure is

Test: Strength of Materials - 2 - Question 14

The B.M.D. for a cantilever beam due to its selfweight is

Test: Strength of Materials - 2 - Question 15

For a structural member the principle stressesare equal but opposite in nature . The center ofmohr's circle will

Test: Strength of Materials - 2 - Question 16

The maximum shear stress in a mohr's circle isequal to

Test: Strength of Materials - 2 - Question 17

A spring of length 'L' is cut into 5 equal parts if initial spring stiffness was R the final stiffness after

parallel combination of all 5 parts will be

Test: Strength of Materials - 2 - Question 18

It E is the young's Modulus, the minimum value of bulk modulus is

Test: Strength of Materials - 2 - Question 19

It the dimentions of a prismatic bar hanging fromroof are doubled, the elongation due to its selfweight will become

Test: Strength of Materials - 2 - Question 20

A long shaft of diameter d is subjected to twisting moment of T. The maximum normal stress acting

at the cross- section is equal to :-

Test: Strength of Materials - 2 - Question 21

For shafts in parallel which of the following willbe same for all shafts.

Test: Strength of Materials - 2 - Question 22

How many minimum values among E, G, K, Mwould you require for a isotropic andhomogenous material to determine all state ofstress.

Test: Strength of Materials - 2 - Question 23

The maximum shear stress in a shaft of Diameter100 mm is 100MPa. The shear stress at adistance of 30 mm from center is .

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