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Electrician
Electrician Set-2
Wires, Joints - Soldering - U.G. Cables
12

Wires, Joints - Soldering - U.G. Cables MCQ with Answers

12) Which type of joint is used for extending the length of conductor in over head lines?

Scarfed joint

Aerial tap joint

Britannia T joint

Western Union joint

Answer is:

Western Union joint

Wires, Joints - Soldering - U.G. Cables MCQ with Answers

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Related Wires, Joints - Soldering - U.G. Cables MCQ with Answers

13) Which type of soldering flux is used for soldering aluminium conductors?

Tallow

Ker-al-lite

Zinc chloride

Sal ammonia rosin

Answer is:

Ker-al-lite

14) What is the effect on molten solder due to repeated melting?

Tin content reduced

Lead content reduced

Prevent slug formation

Uneven flowing in joints

Answer is:

Tin content reduced

15) What will happen to PVC insulation in cable carries excess current continuously for long period?

Voltage drop increases

Voltage drop decreases

Insulation resistance increases

Insulation resistance decreases

Answer is:

Insulation resistance decreases

16) Which method of cable laying is suitable for congested areas?

Racks in air

Duct pipes

Along buildings

Direct in ground

Answer is:

Duct pipes

Wires, Joints - Soldering - U.G. Cables MCQ with Answers

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