What is the sum of the interior angles of an octagon?
Fill in the blank(s) with the appropriate word(s).
1,080°
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Pipe threads, when used on pipe that will contain liquid or vapor under pressure, ____.
A. are tapered B. should have at least seven perfect threads C. generally have a "V" shape D. All of the above.
The heater that functions in a thermostat in the cooling mode is called the ____________________.
Fill in the blank(s) with the appropriate word(s).
Which grade of diesel fuel is best suited for cold weather operation?
A) Grade #3 B) Grade #2 C) Grade #1 D) None of these
What is the difference between the compressor operating temperatures in an air-cooled condenser and a water-cooled condenser?
A) A water-cooled condenser operates 15°F below an air-cooled condenser. B) A water-cooled condenser operates 25°F above an air-cooled condenser. C) A water-cooled condenser operates 15°F above an air-cooled condenser. D) A water-cooled condenser operates 25°F below an air-cooled condenser.