Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 3-15 m/s 15-30 m/s 1-3 m/s 30-50 m/s 3-15 m/s 15-30 m/s 1-3 m/s 30-50 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-third One-half Double One-fourth One-third One-half Double One-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Double Same Three times Four times Double Same Three times Four times ANSWER DOWNLOAD EXAMIANS APP
Machine Design Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth) 0.124 - (0.684/T) None of these 0.175 - (0.841/T) 0.154 - (0.912/T) 0.124 - (0.684/T) None of these 0.175 - (0.841/T) 0.154 - (0.912/T) 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 4 τ τ 2 τ τ/2 4 τ τ 2 τ τ/2 ANSWER DOWNLOAD EXAMIANS APP
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