Machine Design Which of the following statement is correct regarding power screws? Both (A) and (B) The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) The efficiency of a self locking screw can not be more than 50% If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design Maximum principal stress theory is applicable for All of these Elastic materials Ductile materials Brittle materials All of these Elastic materials Ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design A rivet is specified by Shank diameter Type of head Length of tail Length of rivet Shank diameter Type of head Length of tail Length of rivet ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is positive drive? Crossed belt drive Flat belt drive Timing belt V belt drive Crossed belt drive Flat belt drive Timing belt V belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to 1.25 d 1.75 d 1 d 1.5 d 1.25 d 1.75 d 1 d 1.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A key capable of tilting in a recess milled out in a shaft is known as Hollow saddle key Flat saddle key Woodruff key Feather key Hollow saddle key Flat saddle key Woodruff key Feather key ANSWER DOWNLOAD EXAMIANS APP
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