A frame ABCD is supported by a roller at A and is on a hinge at C as shown below

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Question
A frame ABCD is supported by a roller at A and is on a hinge at C as shown below

The reaction at the roller end A is given by
Options
A. P
B. 2P
C. P/2
D. Zero.

Correct Answer

Zero.

GATE Exam Questions problems

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1. The total active thrust on a vertical wall 3m high retaining a horizontal sand backfill (unit weight ?_t = 20 kN/m³, angle of shearing resistance ?' = 30�) when the water table is at the bottom of the wall, will be:
Options
A. 30 kN/m
B. 35 kN/m
C. 4 kN/m
D. 45 kN/m

3. Muskingum method for routing of flood
Options
A. is used for routing floods through reservoirs
B. is a method of routing that uses continuity the momentum equations
C. is a hydrologic method of routing floods through streams
D. is one in which only energy equation is used

5. A pile of 0.50 m diameter and of length 10 m is embedded in a deposit of clay. The un-drained strength parameters of the clay are cohesion = 60 kN/m² and the angle in internal friction = 0. The skin friction capacity (kN) of the pile for an adhesion factor of 0.6, is
Options
A. 671
B. 565
C. 283
D. 106

6. A cantilever beam is shown in the below figure. The moment to be applied at free end for zero vertical deflection at that point is
Options
A. 9 kN.m clock wise
B. 9 kN.m anti-clockwise
C. 12 kN.m clockwise
D. 12 kN.m anti-clockwise

8. A vertical rod PQ of length L is fixed at its top end P and has a flange fixed to the bottom end Q. A weight W is dropped vertically from a height h(< L) on to the flange. The axial stress in the rod can be reduced by
Options
A. increasing the length of the rod
B. decreasing the length of the rod
C. decreasing the area of cross-section of the rod
D. increasing the modulus of elasticity of the material

9. Which one of the following conditions, both elastic and plastic methods of analysis of indeterminate structures have to satisfy?
Options
A. yield condition
B. mechanism condition
C. equilibrium
D. compatibility of deformation

10. At highway stretches where the required overtaking sight distance cannot be provided, it is necessary to incorporate in such sections the following :
Options
A. at least twice the stopping sight distance
B. half of the required overtaking sight distance
C. one third of the required overtaking sight distance
D. three times the stopping sight distance.

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