Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test None of these Brinell Rockwell Vickers None of these Brinell Rockwell Vickers ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Both the shafts are equally good Shaft B is better than shaft A Shaft A is better than shaft B None of these Both the shafts are equally good Shaft B is better than shaft A Shaft A is better than shaft B None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expression 0.175 - 0.841/T is the Lewis form factor for 20° stub system 14½° composite and full depth involute system None of these 20° full depth involute system 20° stub system 14½° composite and full depth involute system None of these 20° full depth involute system ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design The angle of twist of shaft is Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ Inversely proportional to (shaft diameter)² Inversely proportional to (shaft diameter)⁴ Directly proportional to (shaft diameter)² Directly proportional to (shaft diameter)⁴ ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d d 0.75 d 1.25 d 0.5 d d 0.75 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
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