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
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
D. None of these
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.
A. Sliding
B. Turning
C. Rolling
D. Screw
A kinematic chain is known as a mechanism when
A. None of the links is fixed
B. One of the links is fixed
C. Two of the links are fixed
D. None of these
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.