Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) secβ cosβ sinβ cosecβ secβ cosβ sinβ cosecβ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 650°K 625°K 600°K 700°K 650°K 625°K 600°K 700°K ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 2 l = 2p - 3 l = 2p - 5 l = 2p - 4 l = 2p - 2 l = 2p - 3 l = 2p - 5 l = 2p - 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 5 4, 6 4, 4 5, 4 4, 5 4, 6 4, 4 5, 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be 45 mm 95 mm Slightly less than 45 mm Slightly more than 45 mm 45 mm 95 mm Slightly less than 45 mm Slightly more than 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² R cosθ ω² r₁ sinθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² R cosθ ω² r₁ sinθ ANSWER DOWNLOAD EXAMIANS APP