Theory of Machine The example of completely constrained motion is a Motion of a shaft with collars at each end in a circular hole All of these Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole Motion of a shaft with collars at each end in a circular hole All of these Motion of a piston in the cylinder of a steam engine Motion of a square bar in a square hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 180° 180° and 360° 90° and 180° 0° and 90° 0° and 180° 180° and 360° 90° and 180° 0° and 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Watt governor Porter governor Pickering governor Hartnell governor Watt governor Porter governor Pickering governor Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Total lift, centre of gravity of the cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Mass of cam follower linkage, spring stiffness and cam speed Total lift, total angle of lift, minimum radius of cam and cam speed Total lift, centre of gravity of the cam and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter ANSWER DOWNLOAD EXAMIANS APP