What air property is measured in grains?
A) The weight of air.
B) Wet-bulb temperatures.
C) Grains are used to measure the amount of water in the air.
D) Relative humidity.
C
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If your car engine has an efficiency of 25%, and if gasoline costs $3.00 per gallon, how much of your money (per gallon) goes toward heating the atmosphere?
a. $2.00 c. $2.75 b. $2.25 d. $2.95
A(n) ____________________ confines concrete to a desired shape until it hardens
Fill in the blank(s) with the appropriate word(s).
Which act or organization regulates air conditioning refrigerant?
A) Code of Federal Regulations B) WHMIS C) Clean Air Act (CAA) D) MSDS
The sensor that measures the temperature of the air being drawn into the engine is called which of these?
A) IAT B) NTC thermistor C) PTC thermistor D) Both A and B