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What is the principle of refrigeration in food preservation?

The basic principle of food preservation includes: Preservation or delay of microbial decomposition: That is archived by : Keeping out microorganisms (asepsis) Removal of microorganisms,i.e., by filtration. Click to see full answer What is principle of refrigeration and why refrigeration is required? The Refrigeration basic principle is that with the aid of a heat pump,…
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Why water is a good cooling agent in machines?

Water has the highest specific heat of any common substance, 1 calorie/gm °C = 4.186 J/gm °C. This provides stability of temperature for land masses surrounded by water, provides stability for the temperature of the human body, makes it an effective cooling agent, and many other benefits. Click to see full answer How does water…
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How do I know if my engine is cool enough to add coolant?

No, you cannot add coolant right away while the engine is still hot. You need to wait for 30 to 60 minutes or until the engine cools down and the pressure subsided before adding your coolant. Click to see full answer Can I add coolant while engine is running? You must not remove the radiator…
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Do you need to maintain liquid cooling?

How often do I need to change the fluid? We recommend changing the fluid in your custom cooling system every 12 months to remove particulate build-up and ensure optimal thermal performance. Click to see full answer How do you maintain liquid cooling? You usually don't have to bother with any liquid maintenance as it's all…
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Does it cost more to heat or cool?

Heating a home is more energy-intensive than cooling because of how the home is heated and cooled. Cooling a home involves moving the excess heat out so that it's cooler inside. But heating requires heat energy to warm the air. Click to see full answer Does AC take more energy than heating? Critical role of…
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What can compressed air be used for?

Two examples of compressed gases which we use in our daily lives are: 1. Liquefied petroleum gas (LPG) – The liquefied petroleum gas (LPG) cylinder that we get in our home for cooking or the oxygen supplied to hospitals in cylinders is compressed gas. Click to see full answer Where are compressed air systems used?…
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What are some examples of passive solar design How is this part of sustainable building practices?

What are some examples of passive solar design? How is this part of sustainable building practices? onstructing a house with windows on a south-facing wall, which allows the sun to warm the house. Double-paned windows insulate and reduce the need for lightbulbs. Click to see full answer What is an example of passive solar? Passive…
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Which of the following air conditioning system is suitable for air conditioning large space?

Central Air Conditioner If you have a large home & wish to cool multiple rooms at once then this type of air conditioning is best suited for you. Click to see full answer Which type of HVAC system is best suited for commercial building? Single Split System Single split systems are the most affordable type…
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What is passive system?

A remote sensing system that transmits its own electromagnetic energy, then measures the properties of the returned radiation. Active systems require more power to operate than passive systems, but can be designed to have greater sensitivity. Click to see full answer What are passive energy systems? Passive energy systems use the sun's energy for heating…
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Should you let your car cool down after driving?

If your car continues to overheat after you've been driving for a few minutes with the heater on, pull over and cut the engine off—it's the safest and surest way to cool the engine, says Reina. If you have roadside assistance, now is a good time to call, as you may need a tow, Reina…
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