Machine Design A column of length l is fixed at both ends. The equivalent length of the column is l/2 l l/√2 2 l l/2 l l/√2 2 l ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 20° to 35° 15° to 20° 10° to 15° 35° to 50° 20° to 35° 15° to 20° 10° to 15° 35° to 50° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 90° - φ 45° - φ 45° - φ/2 45° + φ/2 90° - φ 45° - φ 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease required to be applied after some intervals The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design Auto frettage is the method of Increasing the life of thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Joining thick cylinders Increasing the life of thick cylinders Pre-stressing thick cylinders Calculating stresses in thick cylinders Joining thick cylinders ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
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