Theory of Machine
Which of the following is an inversion of Single slider crank chain?

Oldham’s coupling
Rotary engine
Beam engine
Elliptical trammel

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In gears, interference takes place when

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

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other.

Zero
Infinity
Any +ve value
Any -ve value

ANSWER DOWNLOAD EXAMIANS APP