What does NFPA 99C specifically address in the plumbing code?
What will be an ideal response?
Medical gas piping systems.
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This steel is formed into shape by pressure between rollers or by forging when in a red-hot state.
a. MS b. HRS c. CRS d. SAE
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Crossed helical gears, which provide for nonintersecting right angle shafts with low load carrying capabilities, are the only mating gears that rotate the same direction.
Answer the following statement true (T) or false (F)
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Oil is removed from the refrigerant vapor by a:
A) Filter in the condenser. B) Coil in the vaporizer. C) Valve in the cooler. D) Mist eliminator in the heater.
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Honing is the process of creating a very smooth surface finish using a soft metal impregnated with fine abrasives.
Answer the following statement true (T) or false (F)
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