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Question
25. During summer vacations, Aryan went for a trip to Tirupathi in an old car along with his family. During the journey, the driver stopped the car beside a hotel and brought a can full of water and poured into the radiator of the car. Aryan's son, Mouryan wanted to know the reason for pouring water into the radiator and ask his father who is a mechanical engineer by profession the reason. Aryan explained the role of water in the radiator of the car engine. Can you predict the explanation given by Aryan?
25. During summer vacations, Aryan went for a trip to Tirupathi in an old car along with his family. During the journey, the driver stopped the car beside a hotel and brought a can full of water and poured into the radiator of the car. Aryan's son, Mouryan wanted to know the reason for pouring water into the radiator and ask his father who is a mechanical engineer by profession the reason. Aryan explained the role of water in the radiator of the car engine. Can you predict the explanation given by Aryan?
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Solution
Predicted explanation by Aryan:-
- Specific heat capacity means an amount of heat required to raise the temperature of a 1 kg substance by 1K temperature.
- Specific heat capacity of water is 4184 Jkg-1K-1
- Water absorbs a large amount of heat from the car radiator for the one-degree rise in temperature.
- Hence water is used as a coolant in cars.
Predicted explanation by Aryan:-
- Specific heat capacity means an amount of heat required to raise the temperature of a 1 kg substance by 1K temperature.
- Specific heat capacity of water is 4184 Jkg-1K-1
- Water absorbs a large amount of heat from the car radiator for the one-degree rise in temperature.
- Hence water is used as a coolant in cars.
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