Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? All of these The friction force is independent of me area of contact. The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. All of these The friction force is independent of me area of contact. The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear. Same None of the listed here Less More Same None of the listed here Less More ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration leads the sliding velocity by 180° 90° 45° 135° 180° 90° 45° 135° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Pitch curve Pitch circle Base circle Prime circle Pitch curve Pitch circle Base circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a torsional pendulum is 2πk/r. √(g/l) r/2πk. √(g/l) r/2πk. √(l/g) 2πr/k. √(g/l) 2πk/r. √(g/l) r/2πk. √(g/l) r/2πk. √(l/g) 2πr/k. √(g/l) 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 Total lift, total angle of lift, minimum radius of cam and cam speed Mass of cam follower linkage, spring stiffness 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 Total lift, total angle of lift, minimum radius of cam and cam speed Mass of cam follower linkage, spring stiffness 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
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