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181.

A swinging field type dynamometer is

A.	Torsion dynamometer	B.	Transmission type of dynamometer
C.	Friction dynamometer	D.	Electrical dynamometer
E.	Vortex type dynamometer

182.

Which of the following is not a positive drive?

183.

For a rational number for the pitch circle diameter and a rational number of teeth on the wheel, the circular pitch will work out to

184.

Module for gear is expressed in terms of

A.	Number of teeth per unit diameter (mm)	B.	Diameter (MM) per number of teeth
C.	Millimeters	D.	(mm)-1
E.	None of the above

185.

In case of locomotives, the swaying couple is resisted by

A.	Dead weight of the engine	B.	Fish plates of the tails
C.	Inside section of the rails	D.	Side pressure between the flanges of the wheels
E.	(C) and (D) together

186.

In case of locomotives, the effect of hammer blow is counteracted by

A.	Flanges of the tyres of the wheels	B.	Balancing weights
C.	Inside section of the rails	D.	Dead weight of the engine
E.	All of the above

187.

In locomotives the unbalanced part of the primary disturbing force due to reciprocating masses, cause

A.	Hammer blow	B.	Lifting of locomotive
C.	Periodical vibrations	D.	Variation of tractive effect
E.	Oscillation in vertical planes

188.

In Iocomotives, swaying couple is caused due to

A.	Unbalanced parts of the primary forces acting at a distance between the line of stroke of the cylinders	B.	Unbalanced part of the secondary forces acting at a distance between the line of stroke of the cylinders
C.	Vertical unbalanced primary forces acting in the plane of the wheels	D.	Vertical unbalanced primary forces acting in the plane of the wheels
E.	Horizontal unbalanced primary forces acting in the plane of the wheel

189.

In case of involute the angular velocity ratio is

A.	Directly proportional to radius of base circle from which the involute was generated	B.	Inversely proportional to radius of base circle from which the involute was generated
C.	Directly proportional to the distance of the chord over which thread is unwound	D.	Inversely proportional to the distance of the chord over which thread is wound
E.	None of the above

190.

Dynamically unbalanced masses in rotating machines cause