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MP Sub-Engineer EE: Power Systems Quiz 9
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Question 1
The failure of a thermal relay may occur due to
Question 2
To prevent the maloperation of differentially connected relay while energizing a transformer, the relay restraining coil is based with
Question 3
A Buchholz relay is
Question 4
Mho relay is normally used for the protection of
Question 5
What is the relation between skin depth and frequency?
Question 6
Reactance and impedance relay are used for _______ respectively.
Question 7
The operation of distance relay depends upon
Question 8
If the fault current is 2000 A, the relay setting 50% and C.T. ratio is 400/5. The plug setting multiplier is
Question 9
The least expensive protection for low voltage system is ______.
Question 10
The earth potential is
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AE & JE ExamsApr 26AE & JE Exams