Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F + P F.P F P F + P F.P F P ANSWER DOWNLOAD EXAMIANS APP
Machine Design A riveted joint is a __________ fastening. Either A or B Permanent None of these Temporary Either A or B Permanent None of these Temporary ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Decreases linearly Increases exponentially Increases linearly Remains same Decreases linearly Increases exponentially Increases linearly Remains same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) d 0.75 d 1.25 d 0.5 d d 0.75 d 1.25 d 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
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