Machine Design Ball bearing type screws are found in following application Aeroplane engines Crane Screw jack Steering mechanism Aeroplane engines Crane Screw jack Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for All of these For applying tension Changing the direction of motion of belt Increasing velocity ratio All of these For applying tension Changing the direction of motion of belt Increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Does not depend upon Is directly proportional to Is inversely proportional to Is equal to cos φ multiplied by Does not depend upon Is directly proportional to Is inversely proportional to Is equal to cos φ multiplied by ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be 44045 44047 43929 43869 44045 44047 43929 43869 ANSWER DOWNLOAD EXAMIANS APP