Electrical Engineering Questions And Answers :: Electrical Machine Design: part3



Electrical Engineering : Electrical Machine Design QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.Transformers with a capacity of upto _____ have a cooling radiator system with natural cooling

2 MVA
5 MVA
7.5 MVA
10 MVA

2.The forced oil and air circulation method is usual one for transformers of capacities

upto 5 MVA
upto 10 MVA
upto 20 MVA
30 MVA upwards

3.D.C. servomotors are used in

purely D.C. control systems
purely AC. control systems
both D.C. and AC. control systems
none of the above

4.For 275 kV transformers, using cold rolled grain oriented steel, which of the following values of flux density may be used?

1.0 Wb/m2
1.1 Wb/m2
1.3 Wb/m2
1.6 Wb/m2

5.D.C. windings are

sometimes 2-layer type
never 2-layer type
always 2-layer type
none of the above

More Electrical Machine Design QUESTIONS AND ANSWERS available in next pages

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