Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 3W/A W/2A W/A 2W/A 3W/A W/2A W/A 2W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as, Hollow saddle key Soft key None of these Hollow key Hollow saddle key Soft key None of these Hollow key ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a close coiled helical spring is compressed, its wire is subjected to Compression Tension All of these Shear Compression Tension All of these Shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Square threads Buttress threads Knuckle threads Acme threads Square threads Buttress threads Knuckle threads Acme threads 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 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 Shaft A is better than shaft B ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Acts when external load is applied Is independent of external loads Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads Becomes zero when external load is removed Is always harmful ANSWER DOWNLOAD EXAMIANS APP
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