Theory of Machine
The cam follower generally used in aircraft engines is

Spherical faced follower
Flat faced follower
Roller follower
Knife edge follower

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
A body is said to be under forced vibrations, when

None of these
No external force acts on a body, after giving it an initial displacement
There is a reduction in amplitude after every cycle of vibration
A body vibrates under the influence of external force

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In gears, interference takes place when

The tip of a tooth of a mating gear digs into the portion between base and root circles
Gear teeth are undercut
Pitch of the gears is not same
Gears do not move smoothly in the absence of lubrication

ANSWER DOWNLOAD EXAMIANS APP