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Electrician
Electrician Set-1
Conductors and Insulation
45

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

45) Why soldering is done on joints ?

To improve tensile strength

To improve resistivity

To improve ductility

To improve conductivity

Answer is:

To improve conductivity

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

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

46) What purpose is served by flux during soldering ?

It cleans the surface to be soldered

It lowers the melting point of the solder

It makes the flow of solder in the joint easy

It does all the above

Answer is:

It does all the above

47) Name the chemical which is used as soldering flux for the electricians solder ?

Zinc chloride

Hydrochloric acid

Sal ammonia rosin

Rosin

Answer is:

Rosin

48) A substance used to dissolve oxides on the surface of conductor using the soldering process is called as

solder

soldering bit

bonding agent

soldering flux

Answer is:

soldering flux

49) The solder wire used in electronic soldering melts at

200 Degree C

400 Degree C

600 Degree C

800 Degree C

Answer is:

200 Degree C

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

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