Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 30-50 m/s 15-30 m/s 3-15 m/s 1-3 m/s 30-50 m/s 15-30 m/s 3-15 m/s 1-3 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The V-belts are particularly suitable for __________ drives. Short None of these Long Both A and B Short None of these Long Both A and B ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a beam of rectangular cross-section of width b and depth d, is subjected to a shear force F, the maximum shear stress induced will be 3F/2bh F/bh 4F/bh 2F/bh 3F/2bh F/bh 4F/bh 2F/bh ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To increase efficiency of system To produce torque For speed reduction To obtain variable speeds To increase efficiency of system To produce torque For speed reduction To obtain variable speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Joint may not open up Bolts are weakest elements Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts are weakest elements Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load ANSWER DOWNLOAD EXAMIANS APP