Which of the following operations is known as 'sweating' – McqOptions

MCQOPTIONS

1.	Which of the following operations is known as 'sweating'
A.	Tinning the two surfaces to be joined, applying flux and heating
B.	Heating two surfaces to be joined, to the high temperature in presence of flux
C.	Heating two surfaces at low temperature
D.	Joining of two surfaces without use of flux
E.	None of the above
Answer» B.

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