Engineering, 16.04.2020 20:10 samy14
A shunt-connected DC motor has an armature resistance of 1. Assuming constant flux, the emf motor characteristic is K . Φ 0 045V/rad/s and the motor torque characteristic is K . AΦ 0 045N-m/A . Calculate the rotational speed (rad/s) and power of the motor when the output torque is T . 0 225N-m and the supply voltage is VS = 50V.
Answers: 2
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Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned
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Engineering, 04.07.2019 18:10
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
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Engineering, 04.07.2019 18:10
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
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A shunt-connected DC motor has an armature resistance of 1. Assuming constant flux, the emf motor c...
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