A governor is said to be stable, if the Radius of rotation of balls decreases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed decreases Radius of rotation of balls increases as the equilibrium speed increases Radius of rotation of balls decreases as the equilibrium speed increases TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an example of sliding pair? Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine TRUE ANSWER : ? YOUR ANSWER : ?
The centre of gravity of a coupler link in a four bar mechanism will experience No acceleration Both linear and angular acceleration Only angular acceleration Only linear acceleration TRUE ANSWER : ? YOUR ANSWER : ?
Which gear is used for connecting two coplanar and intersecting shafts? Bevel gear Spur gear None of these Helical gear TRUE ANSWER : ? YOUR ANSWER : ?
Bifilar suspension method is used to find the Frequency of vibration of the body Angular acceleration of the body Moment of inertia of the body Periodic time of the body TRUE ANSWER : ? YOUR ANSWER : ?
The Bifilar suspension method is used to determine Position of balancing weights Moment of inertia Centripetal acceleration Natural frequency of vibration TRUE ANSWER : ? YOUR ANSWER : ?
In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ + r₂) (y/x) (r₁ + r₂) (x/y) (r₁ - r₂) (y/x) (r₁ - r₂) (x/y) TRUE ANSWER : ? YOUR ANSWER : ?
Creep in belt drive is due to Material of the pulley Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt TRUE ANSWER : ? YOUR ANSWER : ?
Klein's construction can be used when Crank has uniform angular acceleration Crank has uniform angular velocity and angular acceleration Crank has non-uniform velocity Crank has a uniform angular velocity TRUE ANSWER : ? YOUR ANSWER : ?