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Direct system of cooling air in one in which
- a)cooling water flows by gravity.
- b)hot water is continuously cooled and circulated.
- c)hot water is simply discharged.
- d)water is allowed to evaporate in the cylinder jacket.
Correct answer is option 'C'. Can you explain this answer?
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Direct system of cooling air in one in whicha)cooling water flows by g...
It is used where plenty of water is available. The water from a storage tank is directly supplied through an inlet valve to the engine cooling water jacket. The hot water is not cooled for re-use but simply discharged. It is also known as nonreturn system.
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Direct system of cooling air in one in whicha)cooling water flows by g...
Understanding Direct Cooling Systems
Direct cooling systems are designed to manage temperature by using a medium to absorb heat. In this context, the focus is on how water is utilized in these systems to cool down air or mechanical components.
Why Option C is Correct
- Hot Water Discharge: Option C states that "hot water is simply discharged." This means that instead of being reused or recirculated, the hot water is expelled from the system. This method is often seen in applications where the primary concern is to remove heat quickly, without the need for efficiency in water usage.
- Simplicity and Efficiency: By discharging hot water, the system simplifies the cooling process. There’s less complexity involved in managing a closed-loop system, which requires pumps and additional components to recirculate water.
- Direct Heat Removal: This method allows for immediate and effective heat removal from the system. The hot water is removed, and cooler water can be introduced, ensuring that the temperature of the system remains stable.
Comparison with Other Options
- Option A: Cooling water flows by gravity; this method may not always ensure effective cooling, as it relies on gravitational force.
- Option B: Continuously cooling and circulating hot water adds complexity and requires energy to operate pumps.
- Option D: Allowing water to evaporate in the cylinder jacket utilizes evaporation, which can be effective but may not be as straightforward as simply discharging water.
In conclusion, option C stands out because it prioritizes simplicity and direct heat removal, making it a practical choice for certain cooling applications in mechanical engineering.
Direct cooling systems are designed to manage temperature by using a medium to absorb heat. In this context, the focus is on how water is utilized in these systems to cool down air or mechanical components.
Why Option C is Correct
- Hot Water Discharge: Option C states that "hot water is simply discharged." This means that instead of being reused or recirculated, the hot water is expelled from the system. This method is often seen in applications where the primary concern is to remove heat quickly, without the need for efficiency in water usage.
- Simplicity and Efficiency: By discharging hot water, the system simplifies the cooling process. There’s less complexity involved in managing a closed-loop system, which requires pumps and additional components to recirculate water.
- Direct Heat Removal: This method allows for immediate and effective heat removal from the system. The hot water is removed, and cooler water can be introduced, ensuring that the temperature of the system remains stable.
Comparison with Other Options
- Option A: Cooling water flows by gravity; this method may not always ensure effective cooling, as it relies on gravitational force.
- Option B: Continuously cooling and circulating hot water adds complexity and requires energy to operate pumps.
- Option D: Allowing water to evaporate in the cylinder jacket utilizes evaporation, which can be effective but may not be as straightforward as simply discharging water.
In conclusion, option C stands out because it prioritizes simplicity and direct heat removal, making it a practical choice for certain cooling applications in mechanical engineering.
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Direct system of cooling air in one in whicha)cooling water flows by gravity.b)hot water is continuously cooled and circulated.c)hot water is simply discharged.d)water is allowed to evaporate in the cylinder jacket.Correct answer is option 'C'. Can you explain this answer?
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