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 45° - φ/2 90° - φ 45° + φ/2 45° - φ 45° - φ/2 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the flanges are coupled together by means of None of these Headless taper bolts Bolts and nuts Studs None of these Headless taper bolts Bolts and nuts Studs ANSWER DOWNLOAD EXAMIANS APP
Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to Diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt 1.25 × diameter of bolt Diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt 1.25 × diameter of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in automobile industry is a Sawn nut Ring nut Jam nut Castle nut Sawn nut Ring nut Jam nut Castle nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design When compared to the rod of the same diameter and material, a wire rope Does not provide much warning before failure Has a much smaller load carrying capacity Provides much greater time for remedial action before failure Is less flexible Does not provide much warning before failure Has a much smaller load carrying capacity Provides much greater time for remedial action before failure Is less flexible ANSWER DOWNLOAD EXAMIANS APP
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