Machine Design In oilness bearings The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum shear stress theory Maximum strain energy theory Maximum distortion energy theory Maximum principal stress theory Maximum shear stress theory Maximum strain energy theory Maximum distortion energy theory Maximum principal stress theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Lower None of these Higher Same Lower None of these Higher Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 12.5 m/s 20 m/s 15 m/s 10 m/s 12.5 m/s 20 m/s 15 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis equation is applied To stronger of the pinion or gear To weaker of the pinion or gear Only to the gear Only to the pinion To stronger of the pinion or gear To weaker of the pinion or gear Only to the gear Only to the pinion ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring index is Its capability of storing energy Indication of quality of spring Load required to produce unit deflection Ratio of coil diameter to wire diameter Its capability of storing energy Indication of quality of spring Load required to produce unit deflection Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
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