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Electrician
Electrician Set-2
Wires, Joints - Soldering - U.G. Cables
34

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

34) What formula is used to find Electro Motive Force (EMF)?

EMF = Potential difference ? voltage drop

EMF = Potential difference + voltage drop

EMF = Potential difference + voltage drop/2

EMF = Potential difference + 2 x voltage drop

Answer is:

EMF = Potential difference + voltage drop

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

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

35) What is the current rating factor for close excess current protection of cable?

0.81

0.92

1.23

1.5

Answer is:

1.23

36) What is the disadvantage of solid conductor compared to stranded conductor?

Less rigidity

Less flexibility

Low melting point

Low mechanical strength

Answer is:

Less flexibility

37) What is the cause for cold solder defect in soldering?

Excessive heating

Insufficient heating

Incorrect use of solder

High wattage soldering iron

Answer is:

Insufficient heating

38) What happens to the voltmeter if it is connected as an ammeter?

Low reading

No deflection

Meter burns out

Overshoot deflection

Answer is:

Low reading

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

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