Machine Design A screw will be self locking, if Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is more than helix angle Friction angle is equal to helix angle Friction angle is less than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Increases the power transmitted Has no effect on the power transmitted Is equal to maximum tension on the belt Decreases the power transmitted Increases the power transmitted Has no effect on the power transmitted Is equal to maximum tension on the belt Decreases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-parallel or intersecting but coplanar shafts are connected by gears, the arrangement is known as, Worm gearing Bevel gearing Helical gearing None of these Worm gearing Bevel gearing Helical gearing None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making metal to metal contact Move towards left of the bearing making 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 right of the bearing making metal to metal contact Move towards left of the bearing making metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle under all conditions Brittle when hot Ductile at high temperature Brittle when cold Brittle under all conditions Brittle when hot Ductile at high temperature Brittle when cold ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will decrease The power transmitted will increase The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will decrease The power transmitted will increase ANSWER DOWNLOAD EXAMIANS APP
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