Machine Design The function of a washer is to Provide bearing area Provide cushioning effect Provide smooth surface in place of rough surface Absorb shocks and vibrations Provide bearing area Provide cushioning effect Provide smooth surface in place of rough surface Absorb shocks and vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The building up of worn and undersized parts, subjected to repeated loads by electroplating is Has no effect as regards fatigue strength Cheapest method Best method Extremely hazardous Has no effect as regards fatigue strength Cheapest method Best method Extremely hazardous ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design A chain drive transmits __________ power as compared to belt drive. Same More Less None of these Same More Less None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. None of these Both A and B Increasing Reducing None of these Both A and B Increasing Reducing ANSWER DOWNLOAD EXAMIANS APP