|
A no-load test is performed on a transformer to ___
|
|
0
|
125
|
November 9, 2021
|
|
Which of the following parts of a transformer is visible from outside?
|
|
0
|
112
|
November 9, 2021
|
|
Which of the following statements regarding an ideal single-phase transformer having a ___
|
|
0
|
206
|
November 9, 2021
|
|
A shell-type transformer has ___
|
|
0
|
235
|
November 9, 2021
|
|
For the parallel operation of single phase transformers it is ___
|
|
0
|
109
|
November 9, 2021
|
|
If the supply frequency to the transformer is ___
|
|
0
|
105
|
November 9, 2021
|
|
Power transformers are generally designed to ___
|
|
0
|
96
|
November 9, 2021
|
|
Which of the following is not a routine test on transformers?
|
|
0
|
136
|
November 9, 2021
|
|
Star/star transformers work satisfactorily when ___
|
|
0
|
115
|
November 9, 2021
|
|
The function of conservator in ___
|
|
0
|
140
|
November 9, 2021
|
|
The use of higher flux density in ___
|
|
0
|
107
|
November 9, 2021
|
|
Spacers are provided between ___
|
|
0
|
127
|
November 9, 2021
|
|
A common method of cooling a ___
|
|
0
|
118
|
November 9, 2021
|
|
Which of the following is not a part of transformer installation?
|
|
0
|
250
|
November 9, 2021
|
|
The no-load current drawn by transformer is usually what per cent of the full-load current?
|
|
0
|
118
|
November 9, 2021
|
|
The function of an instrument transformer is ___
|
|
0
|
139
|
November 9, 2021
|
|
The purpose of performing Sumpner's test is mainly to ___
|
|
0
|
125
|
November 9, 2021
|
|
The saving in copper achieved by converting two winding ___
|
|
0
|
218
|
November 9, 2021
|
|
In a transformer the magnitude of ___
|
|
0
|
123
|
November 9, 2021
|
|
When a 440/220 V transformer is connected to ___
|
|
0
|
191
|
November 9, 2021
|
|
Most widely used insulating and cooling transformer liquid is ___
|
|
0
|
224
|
November 9, 2021
|
|
For transformers upto a capacity of ___
|
|
0
|
124
|
November 9, 2021
|
|
If a transformer core is made of copper and coils are made up of ___
|
|
0
|
144
|
November 9, 2021
|
|
Which of the following materials is suitable for the manufacture of ___
|
|
0
|
115
|
November 9, 2021
|
|
The short-circuit voltage of a transformer mainly depends on ___
|
|
0
|
235
|
November 9, 2021
|
|
An open-circuit test on a transformer is conducted primarily to ___
|
|
0
|
189
|
November 9, 2021
|
|
Which of the following insulating materials can withstand the highest temperature safely?
|
|
0
|
150
|
November 9, 2021
|
|
In a given transformer for a given applied voltage, losses which remain ___
|
|
0
|
125
|
November 9, 2021
|
|
Short circuit test on transformers is conducted to ___
|
|
0
|
108
|
November 9, 2021
|
|
An ideal transformer will have maximum efficiency at ___
|
|
0
|
113
|
November 9, 2021
|