Question Detail

PHY 102 Test Compilation PHY 102 28 Objective Question
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Question

Calculate the efficiency of a motor of 240V that requires 12A to lift a 600kg load at a rate of 0.15m/s.
Options
A 28.80%
B 88.2%
C 30.6%
Correct Answer
D 69.4%
Correct Answer

Option C is the correct answer.

Detailed Explanation

Pin=VI=2880W. Pout=mgv=(600)(9.8)(0.15)=882W. Efficiency=882/2880=30.6%.

Hint

Pin=VI=2880W.

Question Info

Course: PHY 102
Topic: Test Compilation PHY 102 28
Type: Objective
Difficulty: Not specified
Question 1630 of 1819
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