Spelter is a brazing alloy consisting normally of

50% copper and 50% zinc

50% copper and 50% lead

50% lead and 50% zinc

50% copper and 50% tin

Answer is:

50% copper and 50% zinc

Explanation:

Spelter is a brazing alloy consisting 50% copper and 50% zinc.

Spelter is a brazing alloy consisting normally of

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Related Welding and Soldering MCQ - Turner (Set-1) with Answers

36) In this method of brazing, the melting point of the filler metal ranges from 620 Degree C to 800 Degree C and it is used in instrument making. The method is

silver brazing

induction brazing

dip brazing

torch brazing

Answer is:

silver brazing

Explanation:

37) Why would it be impossible to braze aluminium with normal brass brazing rods ?

Because aluminium is too hard

Because aluminium has a too low melting point and would melt before brass

Because aluminium has a too high melting point and will not melt

Because aluminium is non-ferrous metal

Answer is:

Because aluminium has a too low melting point and would melt before brass

Explanation:

It is impossible to braze aluminium with normal brass brazing rods because, aluminium has a too low melting point and would melt before brass.
Melting Temperature of Brass normally 900 Degree Centigrade to 940 Degree Centigrade.
Melting Temperature of aluminium normally around 660.3 Degree Centigrade.