How can a nontoxic, nonflammable refrigerant still be dangerous when released in a confined space?

A) A chemical reaction with the air can create a flammable byproduct.
B) The refrigerant can replace the air, causing suffocation.
C) A chemical reaction with the air can create a toxic gas.
D) The space temperature can quickly drop below freezing.


B

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Your automobile gets 17 km/L. If the fuel tank holds 61 L, how far can you travel on a full tank?

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

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Tapers may be measured when the work is in the lathe by using:

A) A taper plug or ring gage B) A rule and micrometer caliper C) A taper micrometer D) All of the above

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When performing GTAW, faster travel speeds prevent heat buildup and produce _____

a. weld defects b. oxidation c. puddles that are shallower d. more deeply penetrating puddles

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Explain how the impeller vanes, diffuser, volute, and drive shaft operate together.

What will be an ideal response?

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