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Question

The boiling point of the coolant in cooling system is raised by:

शीतलन प्रणाली में शीतलक का क्वथनांक किसके द्वारा बढ़ाया जाता है

A.

 Pressure cap 

B.

Pump casing

C.

 Thermostat valve

D.

 Radiator

Answer ( Option A)

 Pressure cap 

Solution

  • The cap is actually a pressure release valve, and on cars it is usually set to 15 psi.
  • The boiling point of water increases when the water is placed under pressure. 
  • When the pressure reaches 15 psi, the pressure pushes the valve open, allowing coolant to escape from the cooling system


  • Radiator cap: definition, functions, components, working - studentlesson

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