What breaks down to form poisonous gas in the presence of flames?
A) A1 refrigerant only B) Refrigerant oil
C) Compressor insulation D) Halogenated refrigerants
D
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Knife coating is often used to coat ____. ?
A. ?paper B. ?metals C. ?Styrofoam D. ?electrical components
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Ans: b
a. 100 c. 1,000 b. 10,000 d. 10
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Cotton was probably first used in which part of the world?
a. Russia c. Egypt b. Brazil d. Australia
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When about to troubleshoot a complaint of a noisy transmission on a truck, which of the following should be done first in a troubleshooting sequence?
A. road test B. drain the transmission oil and check for metal particles C. raise the truck off the floor and spin the wheels up in each gear D. remove the transmission and disassemble
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