Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 22.5° 67.5° 90° 45° 22.5° 67.5° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is 43832 1 4 2 43832 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used. None of these Rectangular Parallel Square None of these Rectangular Parallel Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 6/ (6 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) 6/ (6 + v) 3/ (3 + v) 0.75/ (0.75 + √v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In V-belt drive, belt touches At sides only At bottom Could touch anywhere Both at bottom and sides At sides only At bottom Could touch anywhere Both at bottom and sides ANSWER DOWNLOAD EXAMIANS APP
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