Once under way at a steady speed, the 990-kg elevator A rises at the rate of...

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Once under way at a steady speed, the 990-kg elevator A rises at the rate of 1 story (3.28 m) per second. Determine the power input P_in into the motor unit M if the combined mechanical and electrical efficiency of the system is e = 0.81.
М А Answer: Pin kW = the tolerance is +/-2%

engineering Mechanical-Engineering

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Answer 1

Answer #1

Speed 3. 28 mls at peed motor nead to himd the Cable 4x3.28 /3.12 mls. 990x 9.81971I 9 N weight Power 81 9711 1 x 1312 103. 2

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Answer 2

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Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating...

14. The following details are known about a 200 hp, 500 V, 435 rpm de shunt motor: full-load current is 330 A, insulation class is H, weight is 3400 kg, external diameter of the frame is 915 mm a...

I know the correct answers for are: a) 34.36MW b) 0.741 c) 52.2 MW, 870.3 kj/kg...

Once under way at a steady speed, the 990-kg elevator A rises at the rate of...

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Add Answer to: Once under way at a steady speed, the 990-kg elevator A rises at the rate of...

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Earn Coins

Question 30 6 points Save Answer (LO4) A wind turbine with a 40-m-diameter rotor is rotating...

14. The following details are known about a 200 hp, 500 V, 435 rpm de shunt motor: full-load current is 330 A, insulation class is H, weight is 3400 kg, external diameter of the frame is 915 mm a...

I know the correct answers for are: a) 34.36MW b) 0.741 c) 52.2 MW, 870.3 kj/kg...

Add Answer to:
Once under way at a steady speed, the 990-kg elevator A rises at the rate of...