Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 90° - φ 45° - φ 45° + φ/2 45° - φ/2 90° - φ 45° - φ 45° + φ/2 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The belt slip occurs due to Loose belt Any one of the above Driving pulley too small Heavy load Loose belt Any one of the above Driving pulley too small Heavy load ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the valve rod is connected to an eccentric rod by means of Knuckle joint Universal joint Cotter joint Flange coupling Knuckle joint Universal joint Cotter joint Flange coupling ANSWER DOWNLOAD EXAMIANS APP
Machine Design In standard taper roller bearings, the angle of taper of outer raceway is 5° 8° 15° 25° 5° 8° 15° 25° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of idler pulley in belt drive is to Decrease the tendency of belt to slip All the above objectives Increase the wrap angle and belt tension Increase the power transmission capacity Decrease the tendency of belt to slip All the above objectives Increase the wrap angle and belt tension Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Is equal to maximum tension on the belt Has no effect on the power transmitted Increases the power transmitted Decreases the power transmitted Is equal to maximum tension on the belt Has no effect on the power transmitted Increases the power transmitted Decreases the power transmitted ANSWER DOWNLOAD EXAMIANS APP
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