Machine Design A shaft coupling should Be easy to connect or disconnect All of these Transmit full power of the shaft Hold the shafts in perfect alignment Be easy to connect or disconnect All of these Transmit full power of the shaft Hold the shafts in perfect alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Multiple threads Square threads Buttress threads Acme threads Multiple threads Square threads Buttress threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 16 2 4 8 16 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up so that tightening stress Is about yield point divided by safety factor Is 50% of yield point Is just sufficient to hold parts together Approaches yield point Is about yield point divided by safety factor Is 50% of yield point Is just sufficient to hold parts together Approaches yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is equal to helix angle Friction angle is less than helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is less than helix angle Friction angle is more than helix angle Efficiency of screw is 100% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The dedendum circle diameter is equal to (where φ = Pressure angle) Pitch circle diameter × sinφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ Pitch circle diameter × sinφ Addendum circle diameter × cosφ Clearance circle diameter × cosφ Pitch circle diameter × cosφ ANSWER DOWNLOAD EXAMIANS APP
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