Machine Design The railway carriage couplings have Knuckle threads Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the endurance limit Maximum stress to the nominal stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hollow saddle key is Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft Provided in pairs at right angles and each key is to withstand torsion in one direction only A taper key which fits half in the key way of hub and half in the key way of shaft A taper key which fits in a key way of the hub and is flat on the shaft A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft 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 (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. None of these First type levers Third type levers Second type levers None of these First type levers Third type levers Second type levers ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston rod of a steam engine is usually connected to the cross-head by means of Knuckle joint Cotter joint Bolted joint Universal joint Knuckle joint Cotter joint Bolted joint Universal joint ANSWER DOWNLOAD EXAMIANS APP
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