Electrical Engineering Questions And Answers :: Electrical Machine Design: part1

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Electrical Engineering : Electrical Machine Design QUESTIONS AND ANSWERS :: part1 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.The heated parts of an electrical machine dissipate heat into their surroundings by which of the following modes of heat dissipation ?

Conduction
Convection
Radiation
All ofthe above

2.Materials exhibiting zero value of resistivity are known as ______ .

conductors
semiconductors
insulators
superconductors

3.Commercial available medium size machines have a speed range of ______ .

200 to 400 r.p.m.
600 to 1000 r.p.m.
1000 to 1500 r.p.m.
2000 to 2500 r.p.m.

4.The action of electromagnetic machines can be related to which ofthe following basic principles ?

Induction
Interaction
Alignment
All of the above

5.Aluminium when adopted as a conductor material in ______ transformers, decreases the overall cost of the transformer

small size
medium size
large size
any of the above size

More Electrical Machine Design QUESTIONS AND ANSWERS available in next pages

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