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Automotive
ASE Certification
Electrical Systems, A/C & Maintenance
Knowledge Check
Electrical Systems, A/C & Maintenance
Knowledge Check
Knowledge Check
1 / 24
What is the purpose of the cooling system pressure cap and how does pressure affect coolant boiling point?
A
The pressure cap maintains system pressure, raising the boiling point approximately 3 degrees F per psi above atmospheric pressure
B
The pressure cap seals the system but only prevents leaks; there is no effect on boiling point
C
The pressure cap prevents radiator hose collapse; pressure does not affect boiling point
D
The pressure cap controls coolant flow rate through the radiator
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