An open-ended cylinder of radius r and thickness t is subjected to internal pres

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Question
An open-ended cylinder of radius r and thickness t is subjected to internal pressure p. The Young's modulus for the material is E and Poisson's ratio is ?. The longitudinal strain is
Options
A. zero
B.
C.
D. none of these.

Correct Answer

zero

Strength of Materials problems

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1. In a shaft shear stress intensity at a point is not
Options
A. directly proportional to the distance from the axis
B. inversely proportional to the distance from the axis
C. inversely proportional to the polar moment of inertia
D. directly proportional to the applied torque.

3. The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is
Options
A. 1
B. 2
C. 3
D.
E.

5. A joint of a frame is subjected to three tensile force P, Q and R equally inclined to each other. If P is 10 tonnes, the other forces will be
Options
A. Q = 10 tonnes and R = zero
B. R + 10 tonnes and Q = zero
C. Q + R = 10 tonnes
D. Q - R = zero
E. Q and R each is equal to 10 tonnes.

9. A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is
Options
A. 0.107 L
B. 0.207 L
C. 0.307 L
D. 0.407 L
E. 0.5 L.

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