Question : The cooling by desert cooler is based on:
Option 1: hot air replacement
Option 2: air dehydration
Option 3: evaporative cooling
Option 4: air rehydration
Correct Answer: evaporative cooling
Solution : The correct option is evaporative cooling.
The cooling provided by a desert cooler is based on the evaporative cooling principle. This process involves the evaporation of water into the surrounding air, which causes cooling. Desert coolers work well in hot, dry locations where low humidity levels allow for efficient evaporative cooling.
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Question : Indian desert is called
Option 1: Gobi Desert
Option 2: Sahara Desert
Option 3: Thar Desert
Option 4: Atacama Desert
Question : Which deserts have been named after the phrase 'The Great Thirst'?
Option 1: Namib Desert
Option 2: Mojave Desert
Option 3: Kalahari Desert
Option 4: Sahara Desert
Question : DNA shows hyperchromicity on:
Option 1: heating
Option 2: cooling
Option 3: crystallizing
Option 4: replication
Question : During dehydration what is the substance that is usually lost by the body ?
Option 1: Sugar
Option 2: Sodium chloride
Option 3: Calcium phosphate
Option 4: Potassium chloride
Question : Rocks that are formed by the cooling of magma are called:
Option 1: Sedimentary rocks
Option 2: Igneous rocks
Option 3: Metamorphic rocks
Option 4: Rock salts
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