For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that
A. Governor A is more sensitive than governor B
B. Governor B is more sensitive than governor A
C. Both governors A and B are equally sensitive
D. None of the above
Answer: Option A
This Question Belongs to Mechanical Engineering >> Theory Of Machine
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In considering friction of a V-thread, the virtual coefficient of friction (μ1) is given by
A. μ1 = μsinβ
B. μ1 = μcosβ
C. $${\mu _1} = \frac{\mu }{{\sin \beta }}$$
D. $${\mu _1} = \frac{\mu }{{\cos \beta }}$$
The lower pairs are _________ pairs.
A. Self-closed
B. Force-closed
C. Friction closed
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A. Sliding
B. Turning
C. Rolling
D. Screw
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A. None of the links is fixed
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Q.5. For the state of stress shown in Fig. (5), if the minimum normal stress is 10MPa; determine the following using Mohr's circle:
1-The horizontal and vertical normal stresses and the associated shear stresses.
2-The maximum and minimum shear stresses and the associated normal stresses.
Show all results on sketches of properly oriented elements.
Q.5. For the state of stress shown in Fig. (5), if the minimum normal stress is 10MPa; determine the following using Mohr's circle:
1-The horizontal and vertical normal stresses and the associated shear stresses.
2-The maximum and minimum shear stresses and the associated normal stresses.
Show all results on sketches of properly oriented elements.