Machine Design The elasticity is the property of a material which enables it to Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resists fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes Are lighter in weight Can withstand shock loads All of these Offer silent operation Are lighter in weight Can withstand shock loads All of these Offer silent operation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 80 kN/mm² 210 kN/mm² 100 kN/mm² 110 kN/mm² 80 kN/mm² 210 kN/mm² 100 kN/mm² 110 kN/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Brittle materials All of these Ductile materials Elastic materials Brittle materials All of these Ductile materials Elastic materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum principal stress theory Maximum shear stress theory Maximum distortion energy theory Maximum strain energy theory Maximum principal stress theory Maximum shear stress theory Maximum distortion energy theory Maximum strain energy theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 45° - φ 90° - φ 45° - φ/2 45° + φ/2 45° - φ 90° - φ 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
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