In the two rotor system as shown in the below figure $$\left( {{l_1} < {l_2}} \right),$$ a node of vibration is situated
A. Between $${l_1}$$ and $${l_2}$$ but nearer $${l_1}$$
B. Between $${l_1}$$ and $${l_2}$$ but nearer to $${l_2}$$
C. Exactly in the middle of the shaft
D. Nearer to $${l_1}$$ but outside
Answer: Option B
Solution(By Examveda Team)
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
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