Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Depend on other considerations Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Decrease with decrease in y Depend on other considerations Increase with increase in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design In V-belt drive, belt touches Both at bottom and sides At bottom At sides only Could touch anywhere Both at bottom and sides At bottom At sides only Could touch anywhere ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Buttress threads Square threads Multiple threads Acme threads Buttress threads Square threads Multiple threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual proportion for the width of key is (where d = Diameter of shaft or diameter of hole in the hub) d/4 d/8 d/6 d/2 d/4 d/8 d/6 d/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F + P P F.P F F + P P F.P F ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS