Machine Design In the levers of __________ type, the mechanical advantage is less than one. None of these Third Second First None of these Third Second First ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having open ends, the fluid pressure induces Longitudinal stress None of these Shear stress Circumferential stress Longitudinal stress None of these Shear stress Circumferential stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design For same pulley diameters, center distance, belt speed and belt and pulley materials, Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive Open and crossed belt drives transmit same power Power transmission does not depend upon open and crossed types of constructions Open belt drive transmits more power than crossed belt drive Crossed belt drive transmits more power than open belt drive 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 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
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F F.P P F + P F F.P P F + P ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a marine flange coupling, the pitch circle diameter of bolts is taken as 1.2 d 2 d 1.6 d 2.5 d 1.2 d 2 d 1.6 d 2.5 d ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS