In resistance brazing, the source of power supply is step-down transformer.
3) In resistance brazing, the source of power supply is
Answer is:
Step-down transformer
Explanation:
Related Brazing and Soldering MCQ with Answers
Answer is:
50% copper and 50% zinc
Explanation:
Spelter is a brazing alloy consisting 50% copper and 50% zinc.
Answer is:
silver brazing
Explanation:
Silver brazing In this method of brazing, the melting point of the filler metal ranges from 620 Degree Centigrade to 800 Degree Centigrade and it is used in instrument making. The method is
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.
Answer is:
Emery cloth
Explanation:
Emery cloth is used as abrasive materials to clean the steel before brazing.
