Mechanical Engineering - Strength of Materials

1. 

Compression members always tend to buckle in the direction of the

A. axis of load
B. perpendicular to the axis of load
C. minimum cross section
D. least radius of gyration

Answer: Option D

Explanation:

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2. 

The maximum tangential stress in a thick cylindrical shell is always __________ the internal pressure acting on the shell.

A. equal to
B. less than
C. greater than

Answer: Option C

Explanation:

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3. 

A thin spherical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The stress in the shell material is

A. pd/t
B. pd/2t
C. pd/4t
D. pd/8t

Answer: Option C

Explanation:

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4. 

Rivets are generally specified by

A. thickness of plates to be joined
B. overall length
C. shank diameter
D. diameter of head

Answer: Option C

Explanation:

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5. 

Principle plane is a plane on which the shear stress is

A. zero
B. minimum
C. maximum

Answer: Option A

Explanation:

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