Which of the following statements about PTC heaters is not true?     Some vehicles have a PTC heating element in the heater core.     Some vehicles have a PTC element installed in an air duct from the blower housing to increase the air temperature in the ducts.     PTC heaters are electronically controlled and work with the cooling system to provide hot coolant.

Which of the following components are common to most automatic control systems for residential split air conditioners?  a. Thermostat, contactor, transformer  b. Thermostat, magnetic starter, contactor c. Thermostat, diode, contactor d. Thermostat, time-delay relay, contactor

The evaporator is device used in the high pressure side of a refrigeration system. * O True O False

What is Ice Powered Air Conditioning?

What is the definition, application and importance of air conditioning system?

i need the answer quickly

please specify the option (It is a marine diesel engine question)

True or False?  Evaporative Cooling does not occur at Dew Point Temperature.

What happens if the evaporator fan motor do in a refrigerator stops during the cooling cycle? Select the correct answer: A. the uni maintains 35 to 45 degrees B. the unit temperature falls below 32 degrees C. th unit shuts down D. the evaporator freezes over and the temperature rises

Which of the following would not increase the rate of heat transferred from a heater pipe? A.  Insulating with materials whose thickness is below that of critical thickness for insulation. B.  Blowing air over it C.  Providing fins D.  Placing the heater pipe within another whose thermal conductivity is smaller in number and 2 inches thick