Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 10 34 20 30 10 34 20 30 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a disc clutch, if there are n₁ number of discs on the driving shaft and n₂ number of discs on the driven shaft, then the number of pairs of contact surfaces will be n₁ + n₂ n₁ + n₂ + 1 n₁ + n₂ - 2 n₁ + n₂ - 1 n₁ + n₂ n₁ + n₂ + 1 n₁ + n₂ - 2 n₁ + n₂ - 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r sinφ (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ r cosφ 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 1/24 1/8 12 4/15 1/24 1/8 12 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 30°-40° 25°-30° 15°-25° 10°-15° 30°-40° 25°-30° 15°-25° 10°-15° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
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