Test Preparation on GATE Transformer For Electrical Engineering
1.
Which of the following does not change in a transformer ?
2.
In a transformer the energy is conveyed from primary to secondary
3.
A transformer core is laminated to
4.
The degree of mechanical vibrations produced by the laminations of a transformer depends on
5.
The no-load current drawn by transformer is usually what per cent of the full-load current ?
6.
The path of a magnetic flux in a transformer should have
7.
No-load on a transformer is carried out to determine
8.
The dielectric strength of transformer oil is expected to be
9.
Sumpner's test is conducted on transformers to determine
10.
The permissible flux density in case of cold rolled grain oriented steel is around
11.
The efficiency of a transformer will be maximum when
12.
No-load current in a transformer
13.
The purpose of providing an iron core in a transformer is to
14.
Which of the following is not a part of transformer installation ?
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