List of top Mechanical Engineering Questions on Theory of Machines and Design asked in CUET (PG)

When a ball mill rotates at a speed higher than the critical speed, what happens to its efficiency?
Forces whose line of action passes through a common point are known as what?
Which of the following is a coarse crusher used in mechanical operations?
A slider sliding at 15 m/s on a link which is rotating at 30 r.p.m, is subjected to Coriolis acceleration of magnitude
A vertical double-acting steam engine develops 75 kW at 250 r.p.m. The maximum fluctuation of energy is 30 percent of the work done per stroke. The maximum and minimum speeds are not to vary more than 1 percent on either side of the mean speed. What is the approximate mass of the flywheel required? If the radius of gyration is 0.6 m.
The height of a Watt's governor is expressed as
The critical speed of a rotating shaft depends upon

Match List I with List II:

LIST I 
Mechanical Drive		LIST II 
Function
A. CamsI. Lock a mechanism when it is holding a load.
B. GearsII. Movement of one part relative to another with minimum friction and maximum accuracy.
C. RatchetsIII. Imparts a reciprocating or oscillatory motion to another body in contact.
D. BearingsIV. Transmission of rotary motion between parallel and inclined shafts.

Choose the correct answer from the options given below:

Three identical gears A B and C are used in power transmission. Gear A and C are input and output gears Gear B is an idler gear connecting A and C. The gear which is subjected to reversed nature of stress is
The type of brake in which frictional force assists in applying the brakes is termed as
An aeroplane is making a left turn as viewed by an observer from the rear of the plane The engine rotor of the plane are running in clockwise sense when viewed from the rear side The gyroscopic effects tend to
Given below are two statements:
Statement (I): Flywheels are used to control the fluctuations in speed of machines arising from external sources.
Statement (II): Governors are used to control the fluctuations in speed of machines arising from internal sources.
In light of the above statements, choose the most appropriate answer from the options given below.
Match List I with List II:
LIST ILIST II
A. Involute GearI. Variable Pressure Angle
B. Cycloidal GearII. Constant Pressure Angle
C. GyroscopeIII. Sensitivity
D. GovernorIV. Stability
Choose the correct answer from the options given below:
The instantaneous centre of a sliding body moving on a stationary curved surface lies at