Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test Brinell None of these Vickers Rockwell Brinell None of these Vickers Rockwell ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal strength by cycling Metal resistance to corrosion by coating Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal strength by cycling Metal resistance to corrosion by coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. None of these Lighter Moderate Heavier None of these Lighter Moderate Heavier ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be K/2 K 2K K/4 K/2 K 2K K/4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads Tension Combined loads Shear Compression Tension Combined loads Shear Compression ANSWER DOWNLOAD EXAMIANS APP