Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) √(Pmax / 3m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / m) √(Pmax / 3m) 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) (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 40° 38° 60° 45° 40° 38° 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The acme threads are usually found on Railway carriage couplings Feed mechanism of machine tools Screw cutting lathes Spindles of bench vices Railway carriage couplings Feed mechanism of machine tools Screw cutting lathes Spindles of bench vices ANSWER DOWNLOAD EXAMIANS APP
Machine Design The most important dimension in the design of a nut is Pitch diameter Outside diameter Height Inside diameter Pitch diameter Outside diameter Height Inside diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Decreasing the cross-section area of bar Remain unaffected with cross-section area Increasing the cross-section area of bar Would depend upon other factors Decreasing the cross-section area of bar Remain unaffected with cross-section area Increasing the cross-section area of bar Would depend upon other factors ANSWER DOWNLOAD EXAMIANS APP