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In case of belt drives, the effect of the centrifugal tension is to

Q.  
In case of belt drives, the effect of the centrifugal tension is to


Answer & Explanation

In belt drives, the power transmitted is reduced if centrifugal effect is considered for given value of tension

Thus correct option is: C.

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More Questions Theory of Machines:

Q.  
Which one of the following statements relating to belt drives is correct?

A. The rotational speeds of the pulleys are directly proportional to their diameters

B. The length of the crossed belt increases as the sum of the diameters of the pulleys increases

C. The crowning of the pulleys is done to make the drive sturdy

D. The slip increases the velocity ratio


Answer & Explanation

Q.  
The controlling force curve of an spring loaded governor is given by F = ar−c where r is the radius of rotation of the governor balls, and a and c are constants. The governor is

A. Stable

B. Unstable

C. Isochronous

D. Insensitive


Answer & Explanation

Q.  
A Hartnell governor is a governor of

A. Inertia type

B. Pendulum type

C. Centrifugal type

D. Dead weight type


Answer & Explanation

Q.  
A governor is said to be isochronous when the equilibrium speed for all radii or rotation the balls within the working range

A. Is not constant

B. Is constant

C. Varies uniformly

D. Has uniform acceleration


Answer & Explanation
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