Machine Design
Which of the following statement is correct, for two shafts connected in parallel?

Angle of twist of each shaft is the same
Torsional stiffness of each shaft is the same
Shear stress in each shaft is the same
Torque in each shaft is the same

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Which of the following statement is correct regarding power screws?

Both (A) and (B)
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%
The efficiency of Acme (trapezoidal) thread is less than that of a square thread

ANSWER DOWNLOAD EXAMIANS APP