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

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Electrical Engineering : Electrical Machine Design QUESTIONS AND ANSWERS :: part1 : 6 to 10

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

6.The heat dissipated by from a surface depends upon its temperature and its characteristics like colour, roughness etc.

conduction
convection
radiation
any ofthe above

7.Which ofthe following materials is used in the manufacture of resistance grids to be used in the starters of large motors ?

Copper
Aluminium
Steel
Cast-iron

8.Hot rolled sheets have ______ value of permeability

zero
low
high
none ofthe above

9.In induction motors, the length of air gap in kept as small as mechanically possible is order to have

low power factor
high power factor
high over load capacity
any of the above

10.Multiple inlet system of air cooling of turbo-alternators can be used for machines of rating upto

10 MW
30 MW
60 MW
150 MW

More Electrical Machine Design QUESTIONS AND ANSWERS available in next pages

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