A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ r₂ = m₂ r₁ m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ None of these TRUE ANSWER : ? YOUR ANSWER : ?
If the pressure angle is __________, a reciprocating follower will jam in its bearings. Too large Small Too small Large TRUE ANSWER : ? YOUR ANSWER : ?
A spring controlled governor is said to be isochronous when the controlling force Remain constant for all radii of rotation Increases as the radius of rotation decreases Decreases as the radius of rotation increases Increases as the radius of rotation increases TRUE ANSWER : ? YOUR ANSWER : ?
The Bifilar suspension method is used to determine Moment of inertia Natural frequency of vibration Centripetal acceleration Position of balancing weights TRUE ANSWER : ? YOUR ANSWER : ?
The partial balancing means Balancing partially revolving masses Balancing partially reciprocating masses All of these Best balancing of engines TRUE ANSWER : ? YOUR ANSWER : ?
The Coriolis component of acceleration leads the sliding velocity by 180° 90° 135° 45° TRUE ANSWER : ? YOUR ANSWER : ?
Carnot cycle is a reversible cycle a quasi static cycle an irreversible cycle a semi-reversible cycle TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following would constitute a link? Piston, crank pin and crank shaft Piston and piston rod Piston rod and cross head Piston, piston rod and cross head TRUE ANSWER : ? YOUR ANSWER : ?
The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 1 3 2 4 TRUE ANSWER : ? YOUR ANSWER : ?
The critical speed of a shaft depends upon its Stiffness and eccentricity Mass Stiffness Mass and stiffness TRUE ANSWER : ? YOUR ANSWER : ?