Barrier-type air-conditioning hose is constructed with a nylon inner core to prevent moisture _______ (movement into the system) and permeation of refrigerant from the air-conditioning system.

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Technician A says that the evaporator is on the high side of the system. Technician B says that the condenser transfers heat to the atmosphere. Who is correct?

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Automotive air-conditioning service and repair technicians need to have a special license called the ________.

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The heat required to change the water at its maximum temperature from a liquid to a gas is called:

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Heat always transfers from hot objects to cold objects.

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When the compressor switches on, the suction from the compressor removes refrigerant vapor from the evaporator and _______ its pressure.

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The thermal cycle switch is a ________, temperature-controlled switch that controls the compressor clutch.

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A(n) ________ of the system is carried out to verify the customer concern on an HVAC system.

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What is the term used to describe the process of making an HVAC system perform to its maximum ability and comparing that to specifications?

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The ________ allows you to measure temperatures without opening either the cooling system or A/C system.

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If the gauges of an air-conditioning system read low pressure on the high side, high pressure on the low side, or about equal pressures, it usually means that:

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The typical electrical resistance for an automotive A/C compressor's electrical portion of the A/C clutch should be:

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Two technicians are discussing a repair on an A/C compressor clutch. Technician A says that special tools will be needed to remove and replace the compressor clutch. Technician B says that you must adjust the air gap on the clutch to ensure proper operation. Who is correct?

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After the _______ process, the air-conditioning machine will deposit any oil removed during the process into a graduated container on the machine.

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Name this part?

Name this part?

Name the tool?

The air-conditioning reclaim/recovery machine can measure the amount of refrigerant recovered from the vehicle.

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Tech A says that R-134a replaced R-12 as an approved refrigerant. Tech B says that HFO-1234yf refrigerant is flammable. Who is correct?

Select one: