Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design The steel pulleys are __________ in weight than cast iron pulleys of the same capacity. Heavier None of these Lighter Moderate Heavier None of these Lighter Moderate 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) P1 + P2 ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² [⅟₂ × (P1 + P2)] + Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a horizontal flat belt drive, it is customary to use None of these Top side of belt as slack side Bottom side of belt as slack side Idler pulley None of these Top side of belt as slack side Bottom side of belt as slack side Idler pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod) 0.8 d 1.2 d d 0.5 d 0.8 d 1.2 d d 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Wire ropes as compared to cotton ropes All of these Can withstand shock loads Offer silent operation Are lighter in weight All of these Can withstand shock loads Offer silent operation Are lighter in weight ANSWER DOWNLOAD EXAMIANS APP