Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Square Buttress Metric NPT (national pipe threads). Square Buttress Metric ANSWER DOWNLOAD EXAMIANS APP
Machine Design The wear load should be __________ the dynamic load. Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material used for brake lining should have __________ coefficient of friction. High None of these Moderate Low High None of these Moderate Low ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod subjected to an axial load may buckle with X-axis or Y-axis as neutral axis Y-axis as neutral axis Z-axis X-axis as neutral axis X-axis or Y-axis as neutral axis Y-axis as neutral axis Z-axis X-axis as neutral axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? 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 a self locking screw can not be more than 50% 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% Both (A) and (B) 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 If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (according to Barth) will be equal to (Where, Pc is centrifugal tension) ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² P1 + P2 ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc [(√P1 + √P2)/2]² P1 + P2 ANSWER DOWNLOAD EXAMIANS APP
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