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 Shaft A is better than shaft B Shaft B is better than shaft A Both the shafts are equally good None of these Shaft A is better than shaft B Shaft B is better than shaft A Both the shafts are equally good None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Grinding and lapping surface Shot peening Cold working Hot working Grinding and lapping surface Shot peening Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the fulcrum is in between the load and effort, the lever is said to be of First type Third type Second type Any one of these First type Third type Second type Any one of these 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 τ/2 2 τ τ 4 τ τ/2 2 τ τ 4 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the Maximum compressive strength is 200 N/mm² Carbon content is 2% Minimum tensile strength is 200 N/mm² Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Carbon content is 2% Minimum tensile strength is 200 N/mm² Maximum shear strength is 200 N/mm² ANSWER DOWNLOAD EXAMIANS APP
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