Theory of Machine
The pressure angle of a cam depends upon

All of these
Lift of follower
Angle of ascent
Offset between center lines of cam and follower

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The frictional torque transmitted in a flat collar bearing, considering uniform pressure, is (where r₁ and r₂ = External and internal radii of collar respectively)

(1/2). μ W (r₁ + r₂)
(2/3). μ W (r₁ + r₂)
(1/2). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]
(2/3). μ W [(r₁³ - r₂³)/(r₁² - r₂²)]

ANSWER DOWNLOAD EXAMIANS APP