Approximately how much cooling water is required per operational hour for a diesel engine________________?
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Answer: B. 1 to 3 liters per minute per h.p.
Explanation
Internal combustion engines generate immense heat that must be continuously removed by cooling water. Standard operational requirements demand approximately one to three liters per minute per horsepower. This flow rate prevents engine components from overheating and suffering catastrophic thermal failure. Cooling systems circulate water through internal engine block passages to absorb excess heat. Horsepower output directly correlates with the thermal energy produced within the combustion chambers. Water jackets and heat exchangers transfer this absorbed heat safely to the ambient environment.
Power plant operators monitor cooling water flow rates to maintain safe diesel generator temperatures. Inadequate water supply can cause piston seizure, warped cylinder heads, and cracked blocks. Marine and stationary diesel engines require reliable pumps to sustain these continuous flow demands. Lower flow rates such as fraction of a liter are insufficient for heavy-duty diesel engines. Excessively high flow rates would cause unnecessary pumping power losses and thermal shock. Standard automotive engines also rely on similar fluid circulation principles scaled to capacity.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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