Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) 6/(6 + v) 3/(3 + v) 0.75/(0.75 + √v) 4.5/(4.5 + v) 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T/sec³φ T cosecφ T sec³φ T sec²φ T/sec³φ T cosecφ T sec³φ T sec²φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends on All of these Relative elastic yielding (springness) of the bolt and the connected member Initial tension External load applied All of these Relative elastic yielding (springness) of the bolt and the connected member Initial tension External load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force) Pc/3 2 Pc 1 Pc 3 Pc Pc/3 2 Pc 1 Pc 3 Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The V-belts are particularly suitable for __________ drives. Long Both A and B Short None of these Long Both A and B Short None of these ANSWER DOWNLOAD EXAMIANS APP