Thermodynamics Quiz

Heat is the transfer of energy from one place to another. It naturally occurs by of three methods. Which of the following is not a natural heat transfer method?

• Conduction

• Convection

• Radiation

• Refrigeration

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Radiation is the chief method of energy transfer from......

• from the sun an earth satellite

• from a gas flame to the top layer of water in teakettle

• from a soldering iron to metals being soldered

• from the bottom of a glass of water to an ice cube floating in it

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Of the process below, the one in which practically all the heat transfer by conduction is________

• from the sun to an earth satellite

• from a gas flame to the top layer of water in a teakettle

• from a stove top to a pot of water above it

• None

Plastic handles are often used for kitchen utensils because...

• the plastic is a good radiator

• the plastic is a good insulator

• the plastic is a good conductor

• the plastic softens gradually with excessive heat

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The law stating the heat energy always goes towards entropy, or moves from hot to cold and from order to disorder, is known as...

• 1st law of thermodynamics

• 2nd law of thermodynamics

• Newton's 1st law

• Newton's 2nd law

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Which of the following methods of heat transfer explains why air near the ceiling is warmer than the air near the floor in an enclosed room?

• convection

• conduction

• radiation

• R-value

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Energy in motion is called...

• mechanical energy

• kinetic energy

• potential energy

• static energy

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To increase the insulating qualities of a house, a homeowner should...

• increase the R-value

• increase the U-value

• increase radiation

• increase conduction

Which answer below describe the definition of thermodynamics

• The effects of work, thermal energy and energy on a system

• The effects of kinetic energy, and thermal energy on a system

• The average kinetic effects on thermal flow and thermal energy

• none of the above is correct

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What is entropy?

• The measure of how evenly distributed heat is in a system

• The transfer of thermal energy by the movement of fluid

• the flowing of thermal energy from hot to cold

• the average kinetic energy of particles in an object

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