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Electrician
Electrician Set-1
Conductors and Insulation
67

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

67) Which type of soldering flux is suitable for soldering zinc metals ?

Zinc chloride

Hydrochloric acid

Rosin

Tallow

Answer is:

Hydrochloric acid

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

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Related Conductors and Insulation MCQ - Electrician (Set-1) with Answers

68) Which types of flux is used for coarse solder ?

Zinc chloride

Hydrochloric acid (Dilute)

Resin

Sol ammonia resin

Answer is:

Sol ammonia resin

69) What is the suitable wattage of soldering iron to solder resistors on a P.C.B. ?

240 W

150 W

35 W

25 W

Answer is:

25 W

70) Expansion of SMD is:

Surface Mount Device

Surface Mount Diode

Solid Mount Device

Solid Mount Diode

Answer is:

Surface Mount Device

71) In SMD, the wattage required for soldering iron is

25 or 50 watts

15 or 25 watts

15 or 30 watts

10 or 50 watts

Answer is:

15 or 25 watts

Conductors and Insulation MCQ - Electrician (Set-1) with Answers

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