Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 45° - φ/2 90° - φ 45° - φ 45° + φ/2 45° - φ/2 90° - φ 45° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is All of these A tapered key with head at one end Capable of tilting in a recess milled out in the shaft Fitted in pairs at right angles All of these A tapered key with head at one end Capable of tilting in a recess milled out in the shaft Fitted in pairs at right angles ANSWER DOWNLOAD EXAMIANS APP
Machine Design For standard coarse threads of nut, the threads will be as strong in failure by shear as the bolt in tension, if the height of nut (h) is approximately 0.7 times 0.6 times 0.8 times 0.4 times 0.7 times 0.6 times 0.8 times 0.4 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The root angle of a bevel gear is equal to Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle Pitch angle + addendum angle Pitch angle - addendum angle Pitch angle + dedendum angle Pitch angle - dedendum angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The width of the pulley should be __________ width of the belt. None of these Less than Equal to Greater than None of these Less than Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for single helical gears ranges from 10° to 15° 15° to 20° 20° to 35° 35° to 50° 10° to 15° 15° to 20° 20° to 35° 35° to 50° ANSWER DOWNLOAD EXAMIANS APP
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