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Electrical Engineering Mcqs — Test 87

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Question 1
Yokes with rectangular cross-section are used for_______________?
Question 2
Power transformers should be designed to have maximum efficiency________________?
Question 3
Dummy coil should not be used in_________________?
Question 4
The distance between the starts of two consecutive coils measured in terms of coil sides is called_____________?
Question 5
When the two coil sides forming a coil are spaced exactly one pole pitch apart they are said to be of_____________?
Question 6
The winding where dummy coils are used is sometimes called______________?
Question 7
____________are always double layer type?
Question 8
Power transformers have rating_______________?
Question 9
In transformers using hot rolled steel, the cross-section of the yoke is made about __________ greater than that of the core?
Question 10
In D.C. machines the number of slots per pole usually lies___________?