HVAC Electrical Exams Package Deal- All Answers Rated A

HVAC Final Exam All Answers Verified What is an HVAC System? all the items needed to maintain thermal comfort within a space or group of spaces What are the four components of an HVAC system? Fans Pumps Compressor Evaporator What is a PTAC? Packaged Terminal Air Conditioner What is a...

HVAC final exam, unit 15 already graded A+ A control can be which of the following? ️All of the above An example of a power consuming device would be a(n) ____ while an example of a non-power consuming device would be a(n) _____. ️Light bulb, single-pole single-throw switch An electrical...

HVAC Electrical Test Verified Solutions Current flow is the flow of electrons in the circuit impedance is opposition to alternating current flow like charges repel each other Any material that will readily release electrons is called a conductor the symbol for current is I Which of the f...

HVAC final exam unit 11 complete solutions To check the temperature leads of an electronic thermometer for low temperature, they should be stirred in a container of Crushed ice and pure water Ohm's law is represented with the formula I=E/R A device commonly used for detecting refrigerant le...

HVAC final exam unit 14 verified answers When a water regulating valve is used to control the head pressure of a water-cooled system, the valve's spring is acting against which pressure to modulate the water flow? ️Head pressure of the system To prove that the combustion blower motor is ope...

HVAC final exam, unit 16 all answers correct A ___ reacts to stop, start, or modulate the flow of water, air, or refrigerant to the system or conditioned space ️Controlled device All control systems can be subdivided into ____, no matter how many controls there are. ️Control loops ____...

HVAC FINAL GRADED A Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure ️Correct Answer B) The refrigerant's sta...

Basic HVACR 100 Final Exam Complete Solutions True or False: Refrigeration systems are designed to operate with only refrigerant and oil in the system ️True Air contains three non-condensibles that are detrimental to the system ️Air, nitrogen, moisture A compound guage is used to measure...

HVR 110 HVAC final exam graded A+ Furnace ️The air flow on most structures that use a fossil fuel for a heat source have a___that would be used as an air supply. Control loop ️Almost all control systems use a___to control the temperature with in a given structure, space, or zone. Troub...

HVAC electrical ch. 16 complete solutions A ___ starts stops or modulates the flow of water, air, or refrigerant to the system or conditioned space. controlled device All controls systems can be subdivided into ____ no matter how many controls there are. control loops ____ control systems ...

HVAC final exam, unit 12 guaranteed success An ampere is A measure of the quality of electrons flowing past a point in the electrical circuit in a given time What part of an atom moves from one atom to another? electron An element in an electric heating unit is applied to a 232-volt power su...

Electricity for HVAC: Check Your Knowledge Ch 1-5 Rated A Chapter 1 A heating and air-conditioning service technician usually requires _____ to troubleshoot heating and air conditioning systems. ️voltage being supplied to the equipment A live electrical circuit is _____. ️one that is bei...

Hvac Exam All Answers Correct Sealing up even small openings in a building conserves energy because... it stops the infiltration of outside air or ex-filtration of comfortable conditioned inside air by way of convection currents Heat is easily transferred through windows and chimneys and not e...

Heating and Air Conditioning Final Already Graded A+ Both high-side pressures and low-side pressures are low with the engine running and the selector set to the air-conditioning position. Technician A says that the system is undercharged. Technician B says the cooling fan could be inoperative....