Question 1

HVAC system

Accepted Answer

The system responsible for heating, ventilation, and air conditioning in a military tactical wheeled vehicle.

Question 2

Refrigerant

Accepted Answer

A substance used in the HVAC system to absorb and release heat.

Question 3

Evaporator coil

Accepted Answer

The component in the HVAC system that cools and dehumidifies air.

Question 4

Condenser coil

Accepted Answer

The component in the HVAC system that releases heat from the refrigerant.

Question 5

Blower motor

Accepted Answer

The motor that circulates air through the HVAC system.

Question 6

Compressor

Accepted Answer

The component that pressurizes the refrigerant in the HVAC system.

Question 7

Expansion valve

Accepted Answer

The component that regulates the flow of refrigerant in the HVAC system.

Question 8

Air filter

Accepted Answer

A device that removes dust and contaminants from the air entering the HVAC system.

Question 9

Control panel

Accepted Answer

The interface used to adjust settings and control the HVAC system.

Question 10

Thermostat

Accepted Answer

A device that senses and regulates the temperature in the vehicle cabin.

Question 11

Ductwork

Accepted Answer

The network of tubes that distributes air throughout the vehicle.

Question 12

Heater core

Accepted Answer

A component that heats air in the HVAC system.

Question 13

Blend door

Accepted Answer

A mechanism that controls the mix of hot and cold air in the HVAC system.

Question 14

Defrost mode

Accepted Answer

A setting that directs air to the windshield to remove condensation or ice.

Question 15

Vent mode

Accepted Answer

A setting that directs air to the vehicle cabin through the vents.

Question 16

Recirculation mode

Accepted Answer

A setting that recirculates the air within the vehicle cabin.

Question 17

HVAC diagnostics

Accepted Answer

The process of troubleshooting and identifying HVAC system issues.

Question 18

Pressure gauge

Accepted Answer

A tool used to measure the pressure in the HVAC system.

Question 19

Refrigerant recovery

Accepted Answer

The process of removing refrigerant from the system for maintenance or repair.

Question 20

Vacuum pump

Accepted Answer

A device used to remove air and moisture from the HVAC system.

Question 21

A/C compressor clutch

Accepted Answer

The component that engages and disengages the compressor.

Question 22

Temperature sensor

Accepted Answer

A device that measures the temperature in the HVAC system.

Question 23

Cabin air filter

Accepted Answer

A filter that removes dust and pollutants from the air entering the vehicle cabin.

Question 24

HVAC controls

Accepted Answer

The buttons, knobs, or switches used to operate the HVAC system.

Question 25

Heater control valve

Accepted Answer

A valve that controls the flow of coolant to the heater core.

Question 26

Mode door actuator

Accepted Answer

A device that controls the direction of airflow in the HVAC system.

Question 27

High-pressure switch

Accepted Answer

A safety device that shuts off the compressor if the pressure gets too high.

Question 28

Low-pressure switch

Accepted Answer

A safety device that shuts off the compressor if the pressure gets too low.

Question 29

Blower resistor

Accepted Answer

A component that controls the speed of the blower motor.

Question 30

Cabin temperature sensor

Accepted Answer

A sensor that measures the temperature inside the vehicle cabin.

Question 31

Defrost duct

Accepted Answer

A duct that directs air to the windshield for defrosting.

Question 32

Evaporator drain

Accepted Answer

A drain that removes condensation from the HVAC system.

Question 33

Fan speed control

Accepted Answer

A setting that adjusts the speed of the blower motor.

Question 34

Heater control panel

Accepted Answer

The part of the control panel dedicated to adjusting the heating settings.

Question 35

Ventilation system

Accepted Answer

The part of the HVAC system responsible for supplying fresh air to the vehicle cabin.

Question 36

Climate control

Accepted Answer

A system that automatically adjusts temperature and airflow based on desired settings.

Question 37

Dual-zone climate control

Accepted Answer

A system that allows separate temperature settings for the driver and passenger.

Question 38

HVAC maintenance

Accepted Answer

The routine tasks performed to keep the HVAC system in optimal condition.

Question 39

Cabin temperature control

Accepted Answer

The function that allows the occupants to set the desired temperature.

Question 40

HVAC airflow

Accepted Answer

The volume and direction of air circulated by the HVAC system.

Question 41

Heater blower

Accepted Answer

The component responsible for forcing heated air into the vehicle cabin.

Question 42

HVAC control module

Accepted Answer

The electronic module that controls the operation of the HVAC system.

Question 43

Blower resistor module

Accepted Answer

An electronic module that controls the blower motor speed.

Question 44

HVAC system calibration

Accepted Answer

The process of adjusting and aligning the HVAC system for optimal performance.

Question 45

Condenser fan

Accepted Answer

A fan that assists in dissipating heat from the condenser coil.

Question 46

HVAC system leaks

Accepted Answer

Unwanted refrigerant or air leakage in the HVAC system that affects its efficiency.

Question 47

HVAC system capacity

Accepted Answer

The maximum cooling or heating capacity of the HVAC system.

Question 48

HVAC system retrofit

Accepted Answer

Upgrading or modifying the HVAC system to meet new specifications or regulations.

Question 49

HVAC system troubleshooting

Accepted Answer

The process of identifying and resolving issues in the HVAC system.

Question 50

HVAC system diagnostics software

Accepted Answer

Software used to diagnose and analyze HVAC system problems.

Question 51

HVAC system pressure test

Accepted Answer

A test performed to check for leaks and pressure levels in the HVAC system.

Question 52

HVAC system evacuation

Accepted Answer

The process of removing air and moisture from the HVAC system using a vacuum pump.

Question 53

HVAC system recharging

Accepted Answer

Adding or replenishing refrigerant to the HVAC system.

Question 54

HVAC system maintenance schedule

Accepted Answer

A planned routine for inspecting and servicing the HVAC system.

Question 55

HVAC system performance evaluation

Accepted Answer

Assessing the effectiveness and efficiency of the HVAC system in providing desired comfort levels.

ASE MIL7 HVAC Flashcard Set