Machine Design Which of the following statement is correct regarding power screws? 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% The efficiency of Acme (trapezoidal) thread is less than that of a square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of pitch circle diameter in millimeters to the number of teeth, is called Circular pitch None of these Diametral pitch Module Circular pitch None of these Diametral pitch Module ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate shaft deflections and bearing inaccuracies by plastic deformation without excessive wear and heating, is known as Embeddability Bondability Fatigue strength Comformability Embeddability Bondability Fatigue strength Comformability ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is positive drive? Flat belt drive Timing belt V belt drive Crossed belt drive Flat belt drive Timing belt V belt drive Crossed belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Grinding and lapping surface Shot peening Cold working Hot working Grinding and lapping surface Shot peening Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design The design of pin of a rocker arm of an I.C. engine is based on Bearing failure Shearing failure Bending failure All of these Bearing failure Shearing failure Bending failure All of these ANSWER DOWNLOAD EXAMIANS APP
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