|
The main difference between a PLC retentive and non-retentive timer is ___
|
|
1
|
2986
|
June 26, 2023
|
|
Two transformers with identical rating, are designed with flux densities of ___
|
|
0
|
225
|
June 26, 2023
|
|
If input of a transformer is square wave the output will be ___
|
|
0
|
174
|
June 26, 2023
|
|
CRGO steel is used in the core of transformer to ___
|
|
0
|
189
|
June 26, 2023
|
|
Air core transformer as compared to ___
|
|
0
|
184
|
June 26, 2023
|
|
Oil is provided in an oil filled transformer for ___
|
|
0
|
197
|
June 26, 2023
|
|
Lamination of transformer core is made of ___
|
|
0
|
165
|
June 26, 2023
|
|
In one 132 / 33 kV transformer the LV resistance is ___
|
|
0
|
320
|
June 26, 2023
|
|
An auto transformer having a transformation ratio of 0.8 supplies a ___
|
|
0
|
263
|
June 26, 2023
|
|
Is there any standard shelf life of rupture dics or not? Supplier manuals never mention it. But vendors suggesting to replace, I believe merely to get the business
|
|
1
|
629
|
June 26, 2023
|
|
In a transformer the magnetic coupling between the primary and ___
|
|
0
|
178
|
June 26, 2023
|
|
Short circuit test is performed on a transformer with a certain impressed ___
|
|
0
|
204
|
June 26, 2023
|
|
Iron loss in a transformer mainly occurs in ___
|
|
0
|
190
|
June 26, 2023
|
|
Breather is provided in a transformer to ___
|
|
0
|
297
|
June 26, 2023
|
|
Which of the following is minimized by laminating the core of a transformer?
|
|
0
|
145
|
June 26, 2023
|
|
How will you work on a control valve while it is line?
|
|
1
|
730
|
June 26, 2023
|
|
Transformers operating in parallel will share the ___
|
|
0
|
137
|
June 26, 2023
|
|
If supply frequency of a transformer decreases, ___
|
|
0
|
173
|
June 26, 2023
|
|
The efficiency of a transformer is mainly dependent on ___
|
|
0
|
242
|
June 26, 2023
|
|
What will be the eddy current loss if the supply frequency of ___
|
|
0
|
230
|
June 26, 2023
|
|
In a three phase star - delta transformer, what is the angle difference between ___
|
|
0
|
168
|
June 26, 2023
|
|
At what power factor, the voltage regulation of a transformer can be zero?
|
|
0
|
145
|
June 26, 2023
|
|
In an induction motor 5 % change in supply voltage, will cause ___
|
|
0
|
183
|
June 26, 2023
|
|
Stable operation of an induction motor ___
|
|
0
|
217
|
June 26, 2023
|
|
Induction motors provided with open slots have ___
|
|
0
|
161
|
June 26, 2023
|
|
Motors for fans and pumps are selected in ___
|
|
0
|
149
|
June 26, 2023
|
|
The shaft of induction motor may be unbalanced due to ___
|
|
0
|
218
|
June 26, 2023
|
|
The rotor slots are slightly skewed in squirrel cage induction motor to ___
|
|
0
|
216
|
June 26, 2023
|
|
What is Bernoulli's Principle? - Theory
|
|
0
|
559
|
June 26, 2023
|
|
Slip rings of an induction motors are made of ___
|
|
0
|
166
|
June 26, 2023
|