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Heat Transfer
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Heat Transfer
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Heat Transfer
When the solar eclipse occurs
only heat is cut off
only light is cut off
heat and light both are cut off
none is cut off
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Heat Transfer
The device captures heat by
radio waves
Infrared radiations
gamma radiations
ultraviolet radiations
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Heat Transfer
Atmosphere of earth acts similarly as
light bulb
LED bulb
pressure cooker
greenhouse
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Heat Transfer
In hot countries, most of the buildings are painted with
white color
black color
blue color
brown color
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Heat Transfer
The loss of heat in winter is a major waste of
fuel
electricity
power
energy
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Heat Transfer
Fire fighters use thermal image cameras to identify
the spread of fire
the source of fire
the heat released by fire
the temperature of fire
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Heat Transfer
The insulation reduces the amount of heat
leaving the house
entering the house
transferring the chamber
releasing the chamber
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Heat Transfer
If we put a metal spoon in hot soup, the handle would get
cool
hot
rusted
stuck
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Heat Transfer
Kettles and saucepans are painted silver, this is why they
absorb less heat
reflect less heat
absorb more heat
release less heat
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Heat Transfer
The energy of sun, soil and plants is
escaped from greenhouse
trapped in greenhouse
converted to light energy
converted to nitrate
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