Heating Ventilation and Air Conditioning Technician. Container of R-134a at 80F 27 C and the pressure was 101 PSI 700 k Pa.
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Technician A says one heater hose is hot to the touch and the other hose is cold when the heater core is functioning okay.
. A technician is diagnosing a vehicles air conditioning system. Technician A says that heater temperature may be controlled by regulating the amount of coolant flowing through the heater core. Technician B says that excessive wear adds to the length of a heater hose and a replacement heater hose should be roughly three to four inches shorter than its predecessor.
Technician B says this could be. Technician A says that a misadjusted heater control could be the cause. Technician A says that the excessive length of a heater hose is intended to protect the heater core from undue stress.
A high low side and a low high side indicates a faulty AC compressor. Technician B says this is fluorescent dye leaking from the evaporator core. Technician B says electric cooling fans are controlled by temperature and pressure actuated switches.
Technician A says that the tank should be vented until the pressure is reduced if the identifier detected non-condensable gases air in the refrigerant. A Technician A only B Technician B only C Both technicians D Neither. Asked Feb 8 2017 in Trades Technology by Pique.
Technician A says that the system may be completely empty of refrigerant. A heater does not supply enough heat and the coolant level and flow are correct. Technician A says that one heater hose should be hot and the other hose cool if the heater is functioning okay.
Technician A says heater temperature may be controlled by regulating the amount of coolant flowing t. Which technician is correct. Technician B says the upper radiator hose should be at engine operating temperature which is very hot to the touch.
So both technicains are correct in this case. Technician A says that PTC heaters can be built into a conventional heater core assembly. A Technician A only B Technician B only C Both technicians A and B D Neither technician A nor B.
The vehicle has good engine performance but the air conditioner is blowing warm air only. Technician A says this is coolant leaking from the heater core. During business hours as shown in figure a the Temp range control in an office is set at 5.
Technician B says this could be caused by the cooling systems thermostat. Technician B says that a bad thermostat could be the cause. The primitive slow the pump and hence the fuel flow to reduce the temperature plan is BOLIX.
A yellow substance is noticed around the evaporator case drip tube. Technician B says that heater temperature may be controlled by regulating the amount of air flowing through the heater core. Technician A says there may be a refrigerant leak in the system.
Technician B says that one benefit of a viscous clutch is that it cannot fail. Tech B says that active codes make troubleshooting more effective. Technician A says this is coolant leaking from the heater core.
An air conditioning system blows only warm air when the heater is on high output. This means that the heater comes on when the room temperature gets 5 degrees below the Temp setting and the air conditioner comes on when the room temperature gets 5 degrees above the Temp setting. A technician checked the pressures on a 30 lb.
Technician A says that when diagnosing a problem with an electric cooling fan a digital volt-ohmmeter DVOM may need to be used. Technician A says that heat is measured in degrees. Technician B says that temperature is measured in degrees.
A heater does not supply enough heat and the coolant level and flow are correct. Technician B says that the system may. Answer D is correct.
Technician A says that a misadjusted heater control could be the cause. Technician B says heater temperature may be controlled by regulating the amount of air flowing through the heater core. Technician B says this could be caused by the cooling systems thermostat.
Which technician is correct. Asked Feb 8 2017 in Trades Technology by Flambida. Both of them are correct.
Neither Technician A nor B C. Tech A says that when troubleshooting an automatic temperature controlled AC or heating problem one of the first steps should be to check codes for any related faults. Technician B says if the.
Technician B says that the temperature is controlled by blending airflow through the evaporator and heater core. Technician B says that additional refrigerant should be added. Technician A says heater temperature may be controlled by regulating the amount of coolant flowing through the heater core.
Up to 25 cash back Technician A says that the temperature is controlled by blending airflow through the evaporator and heater core. Technician B says that outside air is used in all heating and cooling positions. The temperature of a heater can be controled by regulating the amout of coolant that flows into the heater core now this coolant can be different things like water or particular to the question air.
Technician A says this could be a faulty heater control valve. Technician A says this could be a faulty heater control valve. The 8KW heater is a marvelous 27300 BTUhr heater which would heat a small house or turn our.
Technician A says this may be caused by a leaking heater core. Technician A says a defective thermostat can cause the engine to operate at too cold of a temperature. Both Technicians A and B D.
Technician B says that a bad thermostat could be the cause. Technician B says that a PTC heaters electrical resistance will decrease as its temperature increases.
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