Engineering :: Theory of Machines

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201.

The speed ratio in case of micro gears is

A.	Less than 1	B.	1
C.	Between 1.1 and 5	D.	Between 5 and 10
E.	More than 10

202.

A pulley in a belt drive acts as a

A.	Sliding pair	B.	Rolling pair
C.	Cylindrical pair	D.	Surface pair
E.	Turning pair

203.

Which of the following is a higher pair?

A.	A shaft revolving in a bearing	B.	Piston reciprocating inside the cylinder
C.	Automobile steering gear	D.	Ball and socket
E.	None of the above

204.

Which of the following is a sliding pair?

A.	Bolt and nut	B.	Ball and socket joint
C.	Belt and pulley	D.	Cross-head and guides
E.	None of the above

205.

A Scott-Russel mechanism consists of

A.	Turning pair only	B.	Rotary pair only
C.	Sliding and turning pairs	D.	Turning and rotary pairs
E.	Sliding and rotary pairs

206.

Ackermann steering gear consists of

A.	Sliding and rotary pairs	B.	Rolling and sliding pairs
C.	Turning pair	D.	Rolling pairs
E.	Sliding pairs

207.

A point on a link connecting double slider crank chain will trace a (an)

A.	Straight line	B.	Circle
C.	Parabola	D.	Hyperbola
E.	Ellipse

208.

A slider crank chain consists of

A.	One turning and one sliding pair	B.	Two turning and one sliding pair
C.	One turning and two sliding pairs	D.	Two turning and two aliding pairs
E.	Three turning and one sliding pairs

209.

Two shafts have their axes not in the same straight line. Also their axes are not parallel but intersecting. Which of the following coupling can be used for these shafts?

A.	Flexible coupling	B.	Universal coupling
C.	Oldham's coupling	D.	Rigid coupling
E.	Any of the above

210.

The number of forks provided in a Hooke's joint is

A.	One	B.	Two
C.	Three	D.	Four
E.	Six