A colorless, odorless, tasteless gas that supports combustion is _____
a. helium
b. oxygen
c. nitrogen
d. neon
b
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A projected tolerance zone is easily verified using a gage pin threaded into the hole. The length of the pin protruding from the hole is ____________________ to the projected height.
Fill in the blank(s) with the appropriate word(s).
Which statement is true of a limited area sprinkler system?
A) Must be connected to a sprinkler branch larger than 1" diameter. B) Must be connected to a standpipe. C) Can be connected to the domestic water system.
If two 10-ohm resistors are connected in series, what is the total resistance of these resistors?
a. 100 ohms b. 20 ohms c. 5 ohms d. 1 ohm
The standard established to ensure that the threads on all pipe and fittings would fit together properly is
A. ABS B. ASME C. NPT D. NFPA