With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by
A. $$2{\text{E}}{{\text{C}}_{\text{S}}}$$
B. $$\frac{{{\text{E}}{{\text{C}}_{\text{S}}}}}{2}$$
C. $$2{\text{EC}}_{\text{S}}^2$$
D. $$2{{\text{E}}^2}{{\text{C}}_{\text{S}}}$$
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
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
∆E= (1/2)*I*(w1^2-W2^2)
∆E= I W^2Cs
∆E=2ECs