Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. Thrice None of these Twice Half Thrice None of these Twice Half ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards left of the bearing making metal to metal contact Move towards right of the bearing making the metal to metal contact Move towards right of the bearing making no metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ/2 4 τ τ 2 τ τ/2 4 τ τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Steering mechanism Crane Screw jack Aeroplane engines Steering mechanism Crane Screw jack Aeroplane engines ANSWER DOWNLOAD EXAMIANS APP
Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Square threads Buttress threads Acme threads Knuckle threads Square threads Buttress threads Acme threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of thick cylinders, the tangential stress across the thickness of cylinder is Maximum at the outer surface and zero at the inner surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the inner surface and zero at the outer surface Maximum at the outer surface and zero at the inner surface Maximum at the outer surface and minimum at the inner surface Maximum at the inner surface and minimum at the outer surface Maximum at the inner surface and zero at the outer surface ANSWER DOWNLOAD EXAMIANS APP