In the truss shown in given figure the force in member DC is 100 t compressive 1

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Question
In the truss shown in given figure the force in member DC is
Options
A. 100 t compressive
B. 100 t tensile
C. zero
D. indeterminate

Correct Answer

zero

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2. The horizontal thrust on the ends of a two hinged semicircular arch of radius R carrying
Options
A. a uniformly distributed load ? per unit run over its right half span, is
B. a uniformly distributed load ? per unit run over its entire span is
C. a distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is
D. all the above.

4. The general expression for the B.M. of a beam of length l is the beam carries
Options
A. a uniformly distributed load w/unit length
B. a load varying linearly from zero at one end to w at the other end
C. an isolated load at mid span
D. none of these.

5. If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 x 10⁵ N/mm²) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm², the angle of twist in radians, is
Options
A. 0.001
B. 0.002
C. 0.0025
D. 0.003
E. 0.005

8. Pick up the correct statement from the following:
Options
A. The moment of inertia is calculated about the axis about which bending takes place
B. If tensile stress is less than axial stress, the section experiences compressive stress
C. If tensile stress is equal to axial stress, the section experiences compressive stress
D. If tensile stress is more than axial stress, some portion of the section experiences a tensile stress
E. All the above.

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