Machine Design For tight leakage joints, following type of thread is best suited Buttress NPT (national pipe threads). Square Metric Buttress NPT (national pipe threads). Square Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 100 120 90 60 100 120 90 60 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon None of these 0.40 to 0.60% 0.35 to 0.45% 0.20 to 0.40% None of these 0.40 to 0.60% 0.35 to 0.45% 0.20 to 0.40% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum normal stress theory is used for Brittle materials Ductile materials Plastic materials Non-ferrous materials Brittle materials Ductile materials Plastic materials Non-ferrous materials 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 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% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread 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% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.75 and 1 0.1 and 0.25 0.50 and 0.75 0.25 and 0.50 0.75 and 1 0.1 and 0.25 0.50 and 0.75 0.25 and 0.50 ANSWER DOWNLOAD EXAMIANS APP
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