Theory of Machine
Which of the following would constitute a link?

Piston rod and cross head
Piston, piston rod and cross head
Piston and piston rod
Piston, crank pin and crank shaft

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP