Machine Design In worm, gears, pitch lead angle is Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation None of these The angle between the tangent to the pitch helix and an element of the cylinder Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation None of these The angle between the tangent to the pitch helix and an element of the cylinder ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dynamic tooth load is due to All of these Deflections of teeth under load Inaccuracies of tooth spacing Irregularities in tooth profiles All of these Deflections of teeth under load Inaccuracies of tooth spacing Irregularities in tooth profiles ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M6 M8 - 6d M6 - 8d M8 M6 M8 - 6d M6 - 8d M8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Decreasing its length Decreasing its shank diameter Increasing its shank diameter Increasing its length Decreasing its length Decreasing its shank diameter Increasing its shank diameter Increasing its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have High efficiency Strong teeth Low efficiency Very fine threads High efficiency Strong teeth Low efficiency Very fine threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft ANSWER DOWNLOAD EXAMIANS APP