Machine Design Rankine's theory is used for Ductile materials Plastic materials Brittle materials Elastic materials Ductile materials Plastic materials Brittle materials Elastic materials 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 45° - φ 45° - φ/2 90° - φ 45° + φ/2 45° - φ 45° - φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Bolts are weakest elements Joint may not open up Bolts will not loosen during service ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Variation in properties of material from point to point in a member Abrupt change of section All of these Pitting at points or areas at which loads on a member are applied Variation in properties of material from point to point in a member Abrupt change of section All of these Pitting at points or areas at which loads on a member are applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Cold working Grinding and lapping surface Hot working Shot peening Cold working Grinding and lapping surface Hot working Shot peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. Medium Low None of these High Medium Low None of these High ANSWER DOWNLOAD EXAMIANS APP