When brazing is finished, which of the following valves should be shut off first?

a. Acetylene valve on the tank regulator
b. Oxygen valve on the tank regulator
c. Acetylene valve on the torch handle
d. Oxygen valve on the torch handle


d

Trades & Technology

You might also like to view...

Hidden costs of accidents are usually equal to the visual costs covered by insurance

Indicate whether the statement is true or false

Trades & Technology

?Because new symbols and drawing details can be saved, it is never necessary to draw anything more than once in CADD.

Answer the following statement true (T) or false (F)

Trades & Technology

As their main agricultural crop, southern subsistence farmers raised

A. cotton. B. tobacco. C. corn. D. wheat. E. sugar cane.

Trades & Technology

A very thin ____________________ of ____________________ is used to prevent metal-on-metal contact of internal engine parts.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology