Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It has a lower curvature than the outer side It is subjected to a higher cyclic loading than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) 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% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material. Greater None of these Smaller Medium Greater None of these Smaller Medium ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following bearing is preferred for oscillating conditions? Taper roller bearing Double row roller bearing Angular contact single row ball bearing Needle roller bearing Taper roller bearing Double row roller bearing Angular contact single row ball bearing Needle roller bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Acme threads Square threads Buttress threads Knuckle threads Acme threads Square threads Buttress threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the fulcrum is in between the load and effort, the lever is said to be of Second type Third type Any one of these First type Second type Third type Any one of these First type ANSWER DOWNLOAD EXAMIANS APP
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