A bar of circular cross-section of diameter D is subjected to a torque T at B as

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Question
A bar of circular cross-section of diameter D is subjected to a torque T at B as shown in the figure given. What is the angle of twist at A?
Options
A. Same as that at B
B. Zero
C. Twice as that at B
D. Half as that at B

Correct Answer

Same as that at B

UPSC Civil Service Exam Questions problems

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1. Consider the following statements :
Collision diagram is used to
1. study accident pattern
2. eliminate accidents
3. determine remedial measures
4. make statistical analysis of accidents
Of these statements :
Options
A. 1 and 2 are correct
B. 1 and 3 are correct
C. 3 and 4 are correct
D. 2 and 4 are correct

2. Consider the following statements :
A : In masonry, bricks are joined together by cement mortar.
B : Cement mortar adheres more effectively to brick surface than any other material.
Options
A. both A and R are true and R is the correct explanation of A
B. both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true

5. Consider the following methods of preservation of timber :
1. Dipping
2. Brushing or spraying
3. Pressure impregnation
The correct sequence in decreasing order of the effectiveness of these methods of preservation is
Options
A. 1, 2, 3
B. 2, 1, 3
C. 3, 1, 2
D. 3, 2, 1

7. The following steps are involved in making a spigot and socket joint of cast iron pipes used in water supply systems :
1. Tarred gasket or hemp yarn in wrapped around the spigot.
2. The sipgot end is centered into the socket end of the preceding pipe.
3. A joining ring end is placed around the barrel and against the face of the socket.
4. The gasket or hemp yarn in caulked slightly.
5. Molten pig lead is poured and then caulked.
The correct sequence of these steps is
Options
A. 2, 1, 4, 3, 5
B. 2, 1, 3, 4, 5
C. 1, 2, 4, 5, 3
D. 1, 2, 3, 5, 4

9. The side AD of the square block ABCD as shown in the given figure is fixed at the base and it is under a state of simple shear causing shear stress ? and shear strain ?, where The distorted shape is AB'C'D. The diagonal strain (linear) will be
Options
A.
B.
C. ?2
D. ?

10. For designing end bearing piles of square cross-section in clays having average unconfmed compressive strength of 6 t/m², the net ultimate bearing capacity may be taken as
Options
A. 15 t/m²
B. 18 t/m²
C. 20 t/m²
D. 27 t/m²

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