Question Paper Mechanical Engineering
1- A kinematic pair consists of
(a) pair of elements having line or point contact
(b) pair of elements having surface contact
(c ) two elements that permit relative motion
(d) two elements which are mechanically held together
Ans. C
2- Which amongst the following is an inversion of double slider crank chain ?
(a) Engine indicator
(b) Elliptical trammel
(c ) Quick return motion
(d) Coupled wheels of a locomotive
Ans. B
3- Consider a point on a link connecting double slider crank chin. It would trace
(a) a circular path
(b) an elliotical path
(c ) a straight path
(d) a parabolic path
Ans. B
4- Kinematic pair constituted by can and follower mechanism is :
(a) Higher and open type
(b) Lower and open type
(c ) Lower amd closed type
(d) Higher and closed type
Ans. D
5- Universal joint is an example of :
(a) Lower pair
(b) Higher pair
(c ) Rolling pair
(d) Sliding pair
Ans. A
6 . In double slider crank chain, the number of revolute pairs is/are-
(a)1
(b)2
(c )3
(d)4
Ans. B
7. Oldham’s coupling is inversion of -
(a) 4- bar chain
(b) 6- bar chain
(c ) single slider crank chain
(d) double slider crank chain
Ans. D
8. Kinetic paris are those which have two elements that :
(a) have line contact
(b) have surface contact
(c ) permit relative motion
(d) are held together
Ans. C
9. A simple mechanism has :
(a) 1 link
(b) 2 links
(c ) 3 links
(d) 4 link
Ans. D
10. In automobiles the power is transmitted from gear box to differential through :
(a) Bevel gear
(b) Universal joint
(c) Hooke’s joint
(d) Knuckel joint
Ans. C