Machine Design Cap screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Used to prevent relative motion between parts Provided with detachable caps Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Used to prevent relative motion between parts Provided with detachable caps 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 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 45 to 60% 70 to 83% 63 to 70% 80 to 90% 45 to 60% 70 to 83% 63 to 70% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings Do not require external supply of lubricant Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The longitudinal stress is __________ of the circumferential stress. Two-third One-half Three-fourth Double Two-third One-half Three-fourth Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod subjected to an axial load may buckle with X-axis or Y-axis as neutral axis X-axis as neutral axis Z-axis Y-axis as neutral axis X-axis or Y-axis as neutral axis X-axis as neutral axis Z-axis Y-axis as neutral axis ANSWER DOWNLOAD EXAMIANS APP
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