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Computer Programming MCQs — Test 5

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Question 1
Which of the following does not change in a transformer ?
Question 2
In a transformer the energy is conveyed from primary to secondary_________?
Question 3
A transformer core is laminated to__________?
Question 4
The degree of mechanical vibrations produced by the laminations of a transformer depends on____________?
Question 5
The no-load current drawn by transformer is usually what per cent of the full-load current ?
Question 6
No-load on a transformer is carried out to determine______________?
Question 7
The dielectric strength of transformer oil is expected to be______________?
Question 8
Sumpner’s test is conducted on transformers to determine_____________?
Question 9
The permissible flux density in case of cold rolled grain oriented steel is around__________?
Question 10
The efficiency of a transformer will be maximum when_____________?