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Electrical Engineering Mcqs — Test 6

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Question 1
The noise resulting from vibrations of laminations set by magnetic forces, is termed as_________________?
Question 2
Hysteresis loss in a transformer varies as CBmax = maximum flux density) ?
Question 3
The transformer ratings are usually expressed in terms of______________?
Question 4
Material used for construction of transformer core is usually___________________?
Question 5
The thickness of laminations used in a transformer is usually____________?
Question 6
The function of conservator in a transformer is___________________?
Question 7
In a transformer the resistance between its primary and secondary is____________?
Question 8
A transformer oil must be free from________________?
Question 9
A Buchholz relay can be installed on______________?
Question 10
Gas is usually not liberated due to dissociation of transformer oil unless the oil temperature exceeds?