Machine Design A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as, Hollow key None of these Soft key Hollow saddle key Hollow key None of these Soft key Hollow saddle key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are provided with a cage To facilitate slipping of balls To prevent the lubricant from flowing out To reduce friction To maintain the balls at a fixed distance apart To facilitate slipping of balls To prevent the lubricant from flowing out To reduce friction To maintain the balls at a fixed distance apart ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is less than helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is less than helix angle Friction angle is more than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 10 mm 5 mm 15 mm 25 mm 10 mm 5 mm 15 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 100 90 60 120 100 90 60 120 ANSWER DOWNLOAD EXAMIANS APP
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