Machine Design The product of the diametral pitch and circular pitch is equal to π π × number of teeth 1 1/π π π × number of teeth 1 1/π ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Decreasing its shank diameter Increasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly Decreasing its shank diameter Increasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of first type, the mechanical advantage is ________ one. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.5 2.8 3 2.5 3.5 2.8 3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for Elastic materials Brittle materials Ductile materials All of these Elastic materials Brittle materials Ductile materials All of these ANSWER DOWNLOAD EXAMIANS APP
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