Machine Design Gear box is used For speed reduction To produce torque To increase efficiency of system To obtain variable speeds For speed reduction To produce torque To increase efficiency of system To obtain variable speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to withstand resistance to wear, the best profile of gear is 14½° stub tooth 20° full depth involute tooth 14½° full depth involute tooth 20° involute stub tooth 14½° stub tooth 20° full depth involute tooth 14½° full depth involute tooth 20° involute stub tooth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The largest diameter of an external or internal screw thread is known as Major diameter Minor diameter Pitch diameter None of these Major diameter Minor diameter Pitch diameter None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 3 to 5 1 to 2 5 to 10 0.5 to 1 3 to 5 1 to 2 5 to 10 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
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 90° - φ 45° - φ/2 45° + φ/2 45° - φ 90° - φ 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
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