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Electrician
Electrician Set-1
Conductors and Insulation
66

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

66) The composition proportion of tin and lead used in electrician's solder is

Tin 90% and Lead 10%

Tin 60% and Lead 40%

Tin 50% and Lead 50%

Tin 40% and Lead 60%

Answer is:

Tin 60% and Lead 40%

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

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Related 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

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

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

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