What is an advantage of a propeller type fan?
What will be an ideal response?
A propeller fan can move large volumes of air through clean coils that offer low resistance.
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Which of these fire classifications involves flammable liquids?
a. Class A b. Class B c. Class C d. Class D
Extractors are devices used with _____.
a. fire dampers b. smoke dampers c. access doors d. take-offs
Which of these is NOT a possible effect of using gasoline with alcohol additives?
A) Reduced CO emissions B) Increased octane C) Increased volatility D) All of these can result from using alcohol additives.
To find the volume of a cylinder, it is necessary to:
A) Multiply the diameter by the height. B) Measure the circumference. C) Find the volume of the circle forming base. D) First calculate the area of the circle forming the base.