The power of a Porter governor is equal to [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h TRUE ANSWER : ? YOUR ANSWER : ?
The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To dip the nose and tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and raise the tail TRUE ANSWER : ? YOUR ANSWER : ?
The purpose of a link is to Guide other links All of these Transmit motion Act as a support TRUE ANSWER : ? YOUR ANSWER : ?
If two moving elements have surface contact in motion, such pair is known as Sliding pair Surface pair Rolling pair Higher pair TRUE ANSWER : ? YOUR ANSWER : ?
A higher pair has__________. No contact Surface contact Point contact None of these TRUE ANSWER : ? YOUR ANSWER : ?
When two links are connected by a pin joint, their instantaneous center lies At the pin joint At the center of circle On their point of contact At the center of curvature TRUE ANSWER : ? YOUR ANSWER : ?
The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called Tangential component Radial component Coriolis component None of these TRUE ANSWER : ? YOUR ANSWER : ?
In its simplest form, a cam mechanism consists of following number of links 3 1 4 2 TRUE ANSWER : ? YOUR ANSWER : ?
To connect two parallel and coplanar shafts the following type of gearing is used Spur gear Bevel gear Spiral gear None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 TRUE ANSWER : ? YOUR ANSWER : ?