Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Decrease the key length Increase the key width Increase the key depth Increase the key length Decrease the key length Increase the key width Increase the key depth Increase the key length ANSWER DOWNLOAD EXAMIANS APP
Machine Design A woodruff key is Fitted in pairs at right angles Capable of tilting in a recess milled out in the shaft All of these A tapered key with head at one end Fitted in pairs at right angles Capable of tilting in a recess milled out in the shaft All of these A tapered key with head at one end ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Equally serious in both cases Brittle materials Depends on other factors Ductile materials Equally serious in both cases Brittle materials Depends on other factors Ductile materials 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/2 45° - φ 90° - φ 45° - φ/2 45° + φ/2 45° - φ 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by Grinding the shank Increasing shank diameter Making shank diameter equal to core diameter of thread Tightening it properly Grinding the shank Increasing shank diameter Making shank diameter equal to core diameter of thread Tightening it properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum shear stress theory is used for Ductile materials Brittle materials Plastic materials Nonferrous materials Ductile materials Brittle materials Plastic materials Nonferrous materials ANSWER DOWNLOAD EXAMIANS APP
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