Machine Design The form factor of a helical gear __________ with the increase in the helix angle. Increases Remains constant None of these Decreases Increases Remains constant None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings Have low starting and low running friction at moderate speeds All of these Can carry both radial and thrust loads Have high initial cost Have low starting and low running friction at moderate speeds All of these Can carry both radial and thrust loads Have high initial cost ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Hydrodynamic bearings None of these Sleeve bearings Thin lubricated bearings Hydrodynamic bearings None of these Sleeve bearings Thin lubricated bearings 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 (4WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design Whether any core is required in wire ropes Yes Rarely No Sometimes Yes Rarely No Sometimes ANSWER DOWNLOAD EXAMIANS APP
Machine Design A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called Malleability Elasticity Ductility Plasticity Malleability Elasticity Ductility Plasticity ANSWER DOWNLOAD EXAMIANS APP
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