Machine Design Ball bearing type screws are found in following application Steering mechanism Aeroplane engines Crane Screw jack Steering mechanism Aeroplane engines Crane Screw jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the assembly of pulley, key and shaft Key is made the strongest Key is made the weakest Pulley is made the weakest All the three are designed for equal strength Key is made the strongest Key is made the weakest Pulley is made the weakest All the three are designed for equal strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design For tight leakage joints, following type of thread is best suited Square NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Equally serious in both cases Brittle materials Ductile materials Depends on other factors Equally serious in both cases Brittle materials Ductile materials Depends on other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 67.5° 45° 22.5° 90° 67.5° 45° 22.5° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar Remain unaffected with cross-section area Would depend upon other factors Increasing the cross-section area of bar Decreasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
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