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Mechanical Engineering - Strength of Materials


Exercise

"When ambition ends, happiness begins."
- (Proverb)
1. 

Strain energy is the

A. energy stored in a body when strained within elastic limits
B. energy stored in a body when strained upto the breaking of a specimen
C. maximum strain energy which can be stored in a body
D. proof resilience per unit volume of a material

2. 

A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the

A. axis of load
B. perpendicular to the axis of load
C. maximum moment of inertia
D. minimum moment of inertia

3. 

The neutral axis of the cross-section a beam is that axis at which the bending stress is

A. zeroB. minimum
C. maximumD. infinity

4. 

Euler's formula holds good only for

A. short columns
B. long columns
C. both short and long columns
D. weak columns

5. 

The object of caulking in a riveted joint is to make the joint

A. free from corrosion
B. stronger in tension
C. free from stresses
D. leak-proof




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