In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is 16 32 12 25 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following governor is used to drive a gramophone? Pickering governor Hartnell governor Porter governor Watt governor TRUE ANSWER : ? YOUR ANSWER : ?
Instantaneous center of rotation of a link in a four bar mechanism lies on A point obtained by intersection on extending adjoining links Left side pivot of this link Can’t occur Right side pivot of this link TRUE ANSWER : ? YOUR ANSWER : ?
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap. Outer edge None of these Inner edge Corners TRUE ANSWER : ? YOUR ANSWER : ?
The power from the engine to the rear axle of an automobile is transmitted by means of Worm and worm wheel Spur gears Bevel gears Hooke's joint TRUE ANSWER : ? YOUR ANSWER : ?
Frequency of vibrations is usually expressed in Number of cycles per minute Number of cycles per hour None of these Number of cycles per second TRUE ANSWER : ? YOUR ANSWER : ?
A rigid body, under the action of external forces, can be replaced by two masses placed at a fixed distance apart. The two masses form an equivalent dynamical system, if All of these The center of gravity of the two masses coincides with that of the body The sum of mass moment of inertia of the masses about their center of gravity is equal to the mass moment of inertia of the body The sum of the two masses is equal to the total mass of body TRUE ANSWER : ? YOUR ANSWER : ?
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) v²BA vBA × AB v²BA /AB vBA /AB TRUE ANSWER : ? YOUR ANSWER : ?
A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________ the angle of friction. Greater than None of these Less than Equal to TRUE ANSWER : ? YOUR ANSWER : ?