Machine Design For hardening alloy steels and high speed steels, they are heated to 500 to 600°C 1300 to 1500°C 700 to 900°C 1100 to 1300°C 500 to 600°C 1300 to 1500°C 700 to 900°C 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 45° 67.5° 22.5° 90° 45° 67.5° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes All of these Can withstand shock loads Are lighter in weight Offer silent operation All of these Can withstand shock loads Are lighter in weight Offer silent operation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of medium series have capacity __________ over the light series. 30 to 40% 10 to 20% 40 to 50% 20 to 30% 30 to 40% 10 to 20% 40 to 50% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Reduce vibration Ensure uniform loading Ensure proper alignment Reduce slip Reduce vibration Ensure uniform loading Ensure proper alignment Reduce slip ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ/2 4 τ τ 2 τ τ/2 4 τ τ ANSWER DOWNLOAD EXAMIANS APP
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