/ Lesson 2: How Building Wire is sized Quiz for Lesson 2
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What might happen to thermoplastic insulation at temperatures colder than -10°C (+14°F)?
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Select one:
a. This will cause the resistance of the conductor to increase.
b. The insulation might stiffen.
c. The insulation will crack.
d. Nothing. Thermoplastic insulation is designed to stay flexible down to -25°C.

Acompressor compresses a gas, a pump compresses a liquid. for a given pressure ratio, why does it take more work to compress a gas in a compressor than a liquid in a pump? a)- for a given pressure ratio the average specific volume for a gas is much higher than the average specific volume for a liquid. b)- there is no difference. the only difference is the amount of heat generated (not work) c)- for a given pressure ratio the average volurge for a gas is much higher than the average volume for a liquid. d)-there is no difference