Machine Design The material used for brake lining should have __________ coefficient of friction. Moderate Low High None of these Moderate Low High None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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% 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% ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 168 d 151 d 138 d 124 d 168 d 151 d 138 d 124 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited Square Buttress BSW Acme Square Buttress BSW Acme ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for machine tool bodies is Brass Cast iron Aluminium Mild steel Brass Cast iron Aluminium Mild steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod should be Equally strong in buckling about X-axis and Y-axis Strong in buckling about Y-axis Any one of the above Strong in buckling about X-axis Equally strong in buckling about X-axis and Y-axis Strong in buckling about Y-axis Any one of the above Strong in buckling about X-axis ANSWER DOWNLOAD EXAMIANS APP
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