Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 30 20 10 34 30 20 10 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Wilson Hartnell governor Pickering governor Inertia governor Hartung governor Wilson Hartnell governor Pickering governor Inertia governor Hartung governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. None of these Surface contact Point contact No contact None of these Surface contact Point contact No contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 4/15 1/8 1/24 12 4/15 1/8 1/24 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs) n = 2(l - 1) - 3j - h n = 3(l - 1) - 2j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 2j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 3j - h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ½μWR ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ANSWER DOWNLOAD EXAMIANS APP
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