Machine Design The helix angle for double helical gears may be made up to 90° 45° 60° 75° 90° 45° 60° 75° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resist fracture due to high impact loads Regain its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resist fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will Have same value as that of standard specimen Increase None of these Decrease Have same value as that of standard specimen Increase None of these Decrease ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tap bolt Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Has a head on one end and a nut fitted to the other Has pointed threads Has head at one end and other end fits into a tapped hole in the other part to be joined Has both the ends threaded Has a head on one end and a nut fitted to the other Has pointed threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Its ability to absorb shocks Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection Its ability to absorb shocks Ratio of coil diameter to wire diameter Its capability of storing energy Load required to produce unit deflection 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) (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
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