Which of the following grades of oil are the grades of fuel oil primarily used for comfort heating applications?
A) 5 and 6 B) 3 and 4 C) 1 and 6 D) 1 and 2
D
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A published invitation to bid is used in competitive bidding for ____________________ projects more than residential projects
Fill in the blank(s) with correct word
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When removing the camshaft from a cam-in-block engine the technician must first remove the ________ and lifters
A) Thermostat B) Exhaust manifold C) Oil pump D) Pushrods
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A plasma jet may reach a temperature in excess of _____
a. 20,000°F b. 30,000°F c. 40,000°F d. 50,000°F
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Welding drawings are usually called ________________________________________.
Fill in the blank(s) with the appropriate word(s).
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