Theory of Machine
________ is an inversion of Double slider crank chain.

Hand pump
Scotch yoke mechanism
Coupling rod of a locomotive
Reciprocating engine

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Which of the following statements regarding laws governing the friction between dry surfaces are correct?

The friction force is directly proportional to the normal force.
All of these
The friction force is independent of me area of contact.
The friction force is dependent on the materials of the contact surfaces.

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

Reduce maximum opening of port to steam
Cause withdrawing or throttling of steam
All of these
Reduce length of effective stroke of piston

ANSWER DOWNLOAD EXAMIANS APP