Heat Transfer Review Question Preview (ID: 60932)
Review Of Heat Transfer.
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During which process of energy exchange does cold air displace warmer air?
a) convection
b) radiation
c) absorption
d) conduction
Energy is transferred from the Sun to Earth mainly by --
a) electromagnetic waves
b) density currents
c) red suits
d) molecular collisions
Which statement is the best example of heat energy transfer by conduction?
a) heat energy is transferred from the Earth’s surface to the upper atmosphere.
b) Heat energy is transferred from the Sun to the Earth.
c) Heat energy is transferred from the surface soil to the rocks below
d) Heat energy is transferred from the bottom to the top of a lake
By which process do light rays pass through window glass?
a) radiation
b) conduction
c) convection
d) compression
The primary method of energy transfer by which the Earth loses energy to outer space is --
a) radiation
b) transpiration
c) convection
d) conduction
In general, good absorbers of electromagnetic radiation are also good
a) radiators
b) refractors
c) convectors
d) reflectors
An object that is a good absorber of electromagnetic energy is also a good --
a) refractor of electromagnetic energy
b) convector of electromagnetic energy
c) radiator of electromagnetic energy
d) reflector of electromagnetic energy
Which action would help an air-conditioner use less energy on a hot, sunny summer day?
a) adding insulation in the walls and ceiling
b) replacing light-colored roofing materials with dark-colored ones
c) turning on lights and heat-producing appliances
d) opening draperies and blinds
The collision of molecules within a substance results in the transfer of energy by -
a) radiation
b) conduction
c) insolation
d) convection
What method of energy transfer requires no medium for transfer?
a) conduction
b) radiation
c) convection
d) advection
Conduction is the transfer of heat energy by -
a) movement through a vacuum
b) electromagnetic waves
c) molecular contact
d) density differences
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