Civil Engineering - Strength of Materials

46. 

The radius of gyration of a rectangular section is not proportional to

A. square root of the moment of inertia
B. square root of the inverse of the area
C. square root of the moment of inertia divided by area of the section
D. none of these.

Answer: Option D

Explanation:

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47. 

A reinforced concrete beam is assumed to be made of

A. homogeneous material
B. heterogeneous material
C. isotropic material
D. none of these.

Answer: Option B

Explanation:

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48. 

If the rivets in adjacent rows are staggered and outermost row has only one rivet, the arrangement of the rivets, is called

A. chain riveting
B. zig-zag riveting
C. diamond riveting
D. none of these.

Answer: Option C

Explanation:

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49. 

The energy stored in a beam of length L subjected to a constant B.M. is

A.
B.
C.
D.

Answer: Option A

Explanation:

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50. 

The force in DB of the truss shown in below figure is

A. 3 W compression
B. W tension
C. 2 W compression
D. 5 W tension
E. 4 W tension.

Answer: Option B

Explanation:

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