During soldering
A) Borax is used a flux
B) Solder iron bit is red hot
C) Metal is heated from top as well as bottom
D) Arc is produced between solder iron and metal to be soldered
E) Joint area must be clean and close fitting
Correct Answer:
Verified
Q19: The machining allowance provided on patterns depends
Q20: For the same capacity which of the
Q21: For centreless grinding the surface speed is
A)1200
Q22: The rating of solder iron normally used
Q23: The process of bringing out the lustre
Q25: An optical gauge works on the principle
Q26: Antioch is
A)A soft soldering process
B)A process for
Q27: A gate is the
A)Vent hole to allow
Q28: Shrinkage of cast iron on solidification is
Q29: Machinability is affected by
A)tool geometry and material
B)cutting
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