The major safety concern with R-410A compared to most other common refrigerants is that:
A) R-410A is flammable. B) R-410A is toxic.
C) R-410A operates at much higher pressures. D) R-410A is chemically unstable.
C
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What is a fuel water separator unable to remove from the fuel routed through it?
A. free state water B. emulsified water C. semi-absorbed water D. coalesced water
Fitting pipe together and holding it in place for welding become ____ as the diameter of the pipe ____.
A. easier, gets larger B. more difficult, gets smaller C. more difficult, gets larger D. easier, expands with heat
How many pounds are in 0.85 short ton rounded to 2 significant digits?
Fill in the blank(s) with the appropriate word(s).
Two types of relief valves are the ____________________ valve and the ____________________ valve.
Fill in the blank(s) with the appropriate word(s).