Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following loading is considered for the design of axles? Combined action of bending moment, twisting moment and axial thrust Combined bending moment and twisting moments Bending moment only Twisting moment only Combined action of bending moment, twisting moment and axial thrust Combined bending moment and twisting moments Bending moment only Twisting moment only ANSWER DOWNLOAD EXAMIANS APP
Machine Design The V-belts are particularly suitable for __________ drives. Both A and B Short Long None of these Both A and B Short Long None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If b denotes the face width and L denotes the cone distance for a bevel gear, then the bevel factor is written as b/L 1 - 2 b.L b/2L 1 - (b/L) b/L 1 - 2 b.L b/2L 1 - (b/L) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should All of these Transmit full power of the shaft Be easy to connect or disconnect Hold the shafts in perfect alignment All of these Transmit full power of the shaft Be easy to connect or disconnect Hold the shafts in perfect alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be 4 8 10 6 4 8 10 6 ANSWER DOWNLOAD EXAMIANS APP
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