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Cooling & Lubrication

Air vs water cooling, radiator, thermostat, lubricants, oil pump.

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Q1 · Cooling & Lubrication · MEDIUM
In a pressurized radiator cooling system, the pressure cap maintains a pressure of 1.2 bar. What is the approximate boiling point of water at this pressure?
Q2 · Cooling & Lubrication · EASY
Which type of thermostat valve is most commonly used in automotive cooling systems to regulate coolant flow?
Q3 · Cooling & Lubrication · MEDIUM
A radiator in a liquid cooling system uses a mixture of water and ethylene glycol coolant in a 50:50 ratio. What is the main advantage of using this mixture over pure water?
Q4 · Cooling & Lubrication · EASY
Which component in an engine cooling system regulates the coolant flow based on engine temperature to maintain optimal operating temperature?