Heat is transferred from the hot coolant flowing through the ________ to warm the air flowing through the fins of the heater core.

A) Hoses
B) Water tubes
C) Radiator
D) Blower motor


B) Water tubes

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Who has the responsibility for maintaining a sufficient flow of customers that will allow the flat rate technician to have the potential to maximize his/her hours earned?

A) Newspaper B) Management C) Technician D) None of the above

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The EPA and Department of Agriculture estimate that there are over ____ potential farms in the U.S. that could produce biogas

a. 1,000 c. 5,000 b. 3,000 d. 7,000

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Good ventilation is important when working around refrigeration equipment because modern refrigerants ____.

A. are toxic and can poison you B. have an unpleasant odor C. are heavier than air and may displace the oxygen around you D. Both a and c.

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A vehicle in for repair has a burst upper radiator tank. Technician A says thermostat that was stuck in the open position could be the cause. Technician B says that a faulty radiator pressure cap could be the cause. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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