Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Flat saddle key Gib-head key Wood ruff key Feather key Flat saddle key Gib-head key Wood ruff key Feather key ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To increase efficiency of system To obtain variable speeds For speed reduction To produce torque To increase efficiency of system To obtain variable speeds For speed reduction To produce torque ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Full annealing Process annealing Normalising Spheroidising Full annealing Process annealing Normalising Spheroidising ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is More than 50% Less than 50% None of these Equal to 50% More than 50% Less than 50% None of these Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
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