When using a fire extinguisher, what word can be used to remember what to do?
A) LEVER B) PASS C) RED D) FIRE
B
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Flame rectification is used for pilot safety on _____.
a. an HSI b. intermittent ignition systems c. an automatic gas valve d. a standing pilot
Which of the following correctly describes human population issues pertinent to food production?
A) We expect the world population to double in the next 10 years. B) In many developing countries, the population is doubling every 10 years. C) The malnourished proportion of the population has decreased since 1970. D) Populations growth is more rapid in the U.S. than in the developing countries. E) By 2025 we expect the population to reach 10 million.
ACR copper tubing is:
A) Type L, dehydrated copper tubing. B) Copper tubing with added metallurgical alloys that resist corrosion from the refrigerant. C) Type M, dehydrated copper tubing. D) Any type of copper tubing so long as it has been dehydrated.
Make sure the voltage is turned off before touching any terminals by using a(n) _____.