In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be________?
Correct answer
D. 0.5
Explanation
The correct answer is 0.5.
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Study 3,658 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
D. 0.5
Explanation
The correct answer is 0.5.
Correct answer
A. A phase shift around the feedback loop of 0o
Explanation
The correct answer is A phase shift around the feedback loop of 0o.
Correct answer
B. All of above
Explanation
The correct answer is All of above.
Correct answer
C. it limits the starting current to a safe value
Explanation
The correct answer is it limits the starting current to a safe value.
Correct answer
B. less than 1
Explanation
The correct answer is less than 1.
Correct answer
C. steam and cooling water mix
Explanation
The correct answer is steam and cooling water mix.
Correct answer
B. 2.4 N
Explanation
The correct answer is 2.4 N.
Correct answer
A. More than
Explanation
The correct answer is More than.
Correct answer
D. 100,000
Explanation
The correct answer is 100,000.
Correct answer
A. frequency
Explanation
The correct answer is frequency.