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Worksheetscoolant quiz
Total questions: 27
Worksheet time: 9mins
What is the purpose of a thermostat in an auto heating system?
To adjust the tire pressure
To control the radio volume
To change the oil filter
To regulate the temperature of the engine and maintain the optimal temperature for the heating system.
What is the function of the heater core in an auto heating system?
The function of the heater core is to provide music to the interior of the vehicle.
The function of the heater core is to clean the interior of the vehicle.
The function of the heater core is to provide heat to the interior of the vehicle.
The function of the heater core is to cool down the interior of the vehicle.
Explain the role of the blower motor in an auto heating system.
The blower motor in an auto heating system controls the direction of the air flow.
The blower motor in an auto heating system filters the air before it enters the cabin.
The blower motor in an auto heating system pushes air through the heating and air conditioning system and into the cabin of the vehicle.
The blower motor in an auto heating system regulates the temperature of the air in the cabin.
How does a radiator system help in maintaining the temperature of a vehicle's engine?
By increasing the engine temperature to prevent overheating
The radiator system helps in maintaining the temperature of a vehicle's engine by circulating coolant to absorb excess heat and then cooling it before returning it to the engine.
By blocking the flow of coolant to the engine
By reducing the amount of coolant in the system
What are the common issues that can arise with the blower motor in an auto heating system?
Overheating due to excessive use
Lack of lubrication causing friction
Corrosion leading to motor damage
Motor failure, electrical issues, and debris accumulation
Name this part
Radiator
Thermostat
Heater Core
Intercooler
What part is this?
Recovery tank
Radiator
Heater Core
Water Pump
What senses the temperature of the coolant and allows the fluid to enter or exit the radiator?
Radiator hose
Water Pump
Thermostat
Radiator Cap
What is the purpose of the radiator?
remove heat from the coolant
keep the coolant at 195oF
Add heat to the coolant
Slow down the air through the engine compartment
What cooling system part will heat the passenger compartment?
Cabin Air Filter
Evaporator
Heater Core
Thermostat
The purpose of the radiator cap is to increase the pressure of your cooling system.
True
False
A technician says coolant mixes with engine oil to help with cooling
True
False
The water pump on an engine is designed to
keep water out of the fuel injectors.
purify water and make it available to both the operator and the engine.
keep water out of the oil system.
circulate water through the cooling system.
The boiling point of the coolant can be raised if the cooling system is ___________.
smaller
open
reverse osmosis
pressurized
For every 1 PSI of pressure the boiling point of a liquid increases by ___ degrees.
3
4
6
5
The water pump on an engine is designed to
keep water out of the fuel injectors.
purify water and make it available to both the operator and the engine.
keep water out of the oil system.
circulate water through the cooling system.
The function of a radiator is:
uses an impeller to force coolant through the engine coolant passages.
stays closed until operating temperature is reached
stores coolant
primary heat exchanger for the vehicle engine
The function of a coolant reservoir is:
uses an impeller to force coolant through the engine coolant passages.
stays closed until operating temperature is reached
stores coolant
primary heat exchanger for the vehicle engine
The function of a thermostat is:
uses an impeller to force coolant through the engine coolant passages.
stays closed until operating temperature is reached, then allows coolant flow
stores coolant
primary heat exchanger for the vehicle engine
If the thermostat does not open, the engine will typically:
turn off
overheat
lose oil
leak coolant
if a radiator core (fin area) get clogged with dirt and debris, what is the immediate effect?
poor coolant-to-air heat exchange
the coolant will not flow effectively
the cylinder head will warp
the radiator will breach
Tech A states the thermostat temperature can be adjusted to suit operational demands. Tech B states the thermostat is necessary for a vehicle to maintain operating temperature as designed.
TECH A
TECH B
BOTH TECHS
NEITHER TECH
Technician A says that coolant can be a variety of colors with green and orange being common. Technician B says that coolant needs to be mixed with water to provide the best protection against freezing and boiling. Who is correct?
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor Technician B
What reacts to the temperature of the coolant and allows it to flow throught the cooling system?
radiator hose
water pump
thermostat
radiator cap
