Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For the same lift and same angle of ascent, a smaller base circle will give There is no such relation with pressure angle A large value of pressure angle Something else A small value of pressure angle There is no such relation with pressure angle A large value of pressure angle Something else A small value of pressure angle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Independent of Equal to Directly proportional to Inversely proportional to Independent of Equal to Directly proportional to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c/(m - M) g c (m + M) g c/(m + M) g c (m - M) g c/(m - M) g c (m + M) g c/(m + M) g c (m - M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as Tractive force Hammer blow None of these Swaying couple Tractive force Hammer blow None of these Swaying couple ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear. Same Less More None of these Same Less More None of these ANSWER DOWNLOAD EXAMIANS APP
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