When brazing is finished, which of the following valves should be shut off first?
A) Oxygen valve on the tank regulator B) Acetylene valve on the tank regulator
C) Acetylene valve on the torch handle D) Oxygen valve on the torch handle
D
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Which of the following termination classes is the only one that provides a seal against external elements?
a. Class 1 b. Class 2 c. Class 3 d. Class 5
The water quality required to maintain the water level in the sump is called ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a function of the transport layer?
A) Controls print and file severs B) Provides acknowledgements of successful data transmission C) Provides error checking D) Divides streams of transmitted data into packets
Since 1988, the Federal Highway Administration has allowed motor carriers to use _____ to record their drivers' records of duty status in lieu of the required handwritten records of duty status.
Fill in the blank(s) with the appropriate word(s).