Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part3 : 21 to 25

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

21.Copper, even though costly, finds use in the windings of electrical machines because

copper points offer low contact resistance

copper can be easily soldered and welded

copper windings are less bulky and the machines become compact

all of the above

22.Carbon bearings are used under which of the following conditions ?

Where lubrication is difficult or im-possible

Where corrosive chemical action exists

Where high temperature exists

All of the above

23.Steel wire is used as

overhead telephone wire

earth wire

core wire of ACSR

all of the above

24.Which of the following is an advantage of stranded conductor over equivalent single conductor ?

Less liability to kink

Greater flexibility

Less liability to break

All of the above

More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages

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Electrical Engineering Questions And Answers :: Electrical Engineering Materials: part3

Electrical Engineering Materials QUESTIONS AND ANSWERS

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