Civil Engineering - Strength of Materials

36. 

Influence lines are drawn for structures

A. of any type
B. statically determinate
C. pin-jointed truss
D. none of these.

Answer: Option A

Explanation:

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37. 

A shaft turning 150 r.p.m. is subjected to a torque of 150 kgm. Horse power transmitted by the shaft is

A. π
B. 10 π
C. π2
D. 1/π

Answer: Option B

Explanation:

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38. 

A simply supported beam carrying a uniformly distributed load over its whole span, is propped at the centre of the span so that the beam is held to the level of the end supports. The reaction of the prop will be

A. half the distributed load
B. 3/8th the distributed load
C. 5/8th the distributed load
D. distributed load.
E. none of these.

Answer: Option C

Explanation:

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39. 

The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is

A. one-half of the base
B. one-third of the base
C. one-fourth of the base
D. one-fifth of the base
E. one sixth of the base on either side of centroid.

Answer: Option B

Explanation:

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40. 

In a beam, the neutral plane

A. may be its centre
B. passes through the C.G. of the area of cross-section
C. does not change during deformation
D. none of these.

Answer: Option C

Explanation:

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