Machine Design The surface finish factor for a mirror polished material is 0.65 1 0.45 0.85 0.65 1 0.45 0.85 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be 24 12 14 18 24 12 14 18 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Remains unchanged Increases None of these Decreases Remains unchanged Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is A combination of torsional shear stress and bending Direct shear stress only Bending stress only A combination of bending stress and direct shear stress A combination of torsional shear stress and bending Direct shear stress only Bending stress only A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Open belt drive transmits more power than crossed belt drive Power transmission does not depend upon open and crossed types of constructions Crossed belt drive transmits more power than open belt drive ANSWER DOWNLOAD EXAMIANS APP
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