Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, 100 H6/g5 means that the None of these Difference between the actual size and basic size is 100 mm Actual size is 100 mm Basic size is 100 mm None of these Difference between the actual size and basic size is 100 mm Actual size is 100 mm Basic size is 100 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Coaxing is the procedure of increasing Metal resistance to corrosion by coating Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal strength by cycling Metal resistance to corrosion by coating Metal hardness by surface treatment Fatigue limit by over-stressing the metal by successively increasing loadings Metal strength by cycling ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress Direct bending stress Direct compressive stress Direct shear stress Direct tensile stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts of the same length and material are joined in series. If the ratio of their diameters is 2, then the ratio of their angles of twist will be 2 16 8 4 2 16 8 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material used for brake lining should have __________ coefficient of friction. High None of these Low Moderate High None of these Low Moderate ANSWER DOWNLOAD EXAMIANS APP
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