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)/2]² P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) [(√P1 + √P2)/2]² P1 + P2 [⅟₂ × (P1 + P2)] + Pc ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine Gordon formula for buckling is valid for Short and long column Short column Very long column Long column Short and long column Short column Very long column Long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and the bottom of which is shaped to fit the curved surface of the shaft, is known as, Hollow key Hollow saddle key Soft key None of these Hollow key Hollow saddle key Soft key None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-fourth Double One-third One-half One-fourth Double One-third One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 700 to 900°C 500 to 600°C 1100 to 1300°C 1300 to 1500°C 700 to 900°C 500 to 600°C 1100 to 1300°C 1300 to 1500°C ANSWER DOWNLOAD EXAMIANS APP
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