Machine Design Three different weights fall from a certain height under vacuum. They will take Times inversely proportional to weight to reach earth Same time to reach earth None of these Times proportional to weight to reach earth Times inversely proportional to weight to reach earth Same time to reach earth None of these Times proportional to weight to reach earth 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 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% Both (A) and (B) The efficiency of Acme (trapezoidal) thread is less than that of a square thread 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% Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In nitrated parts, the origins of the fatigue cracks will occur at None of these Within the core Surface Just below the surface None of these Within the core Surface Just below the surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Head Thread Shank Middle Head Thread Shank Middle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Angular bevel gears Internal bevel gears Crown bevel gears Mitre gears Angular bevel gears Internal bevel gears Crown bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.25 0.6 0.5 0.2 0.25 0.6 0.5 0.2 ANSWER DOWNLOAD EXAMIANS APP
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