Machine Design For tight leakage joints, following type of thread is best suited Metric Buttress NPT (national pipe threads). Square Metric Buttress NPT (national pipe threads). Square 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 If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Decreases Remains unchanged None of these Increases Decreases Remains unchanged None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design For longitudinal joint in boilers, the type of joint used is Butt joint with double cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with single cover plate Butt joint with double cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with single cover plate ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock resistance of steel is increased by adding Chromium Nickel Cobalt and molybdenum Nickel and chromium Chromium Nickel Cobalt and molybdenum Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 15 17 21 25 15 17 21 25 ANSWER DOWNLOAD EXAMIANS APP
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