How is the refrigerant charge normally checked on air-conditioning systems that use a TEV expansion device?

A) Feel to see if the suction line is cold and the liquid line warm.
B) Superheat
C) Subcooling
D) Adjust the charge to achieve a 40°F saturated evaporator temperature.


C

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Slip-on method refers to _____.

a. pushing flexible foam on pipe before it is connected b. insulating flange valves c. insulating duct stand-offs d. slipping flexible foam insulation over pipe coated with adhesive

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If productivity is low and efficiency is high _______

A) It is the technician's fault B) It is not the service advisor's fault C) It is not management's fault D) None of the above

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Which of these tools is used most often by automotive service technicians?

A) Pliers B) Hammer C) Wrench D) None of these

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How does a remote bulb thermostat work?

A) The metal in the bulb expands and contracts with temperature changes. B) The remote bulb communicates with the thermostat using wireless communication. C) Pressure in the bulb rises and falls with temperature. D) An electronic sensor in the bulb sends signals back to the thermostat.

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