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Heat And Heat Technology
Test Description: Ch 10
Instructions: Answer all questions to get your test result.
1) Railroad tracks have gaps between the rails so that they will not buckle in hot weather because of
A
thermal insulation.
B
specific heat.
C
thermal conductivity.
D
thermal expansion.
2) The boiling point of water on the Fahrenheit, Celcius, and Kelvin scales is, respectively,
A
212 degrees F, 100 degrees C, and 373 K
B
32 degrees F, 0 degrees C, and 273 K
C
68 degrees F, 20 degrees C and 293 K
D
98.6 degrees F, 37 degrees C and 310 K
3) Which of the following is NOT a common state of matter?
A
superfluid
B
liquid
C
gas
D
solid
4) The transfer of thermal energy through a substnace by direct contact is called
A
convection
B
thermal insulation
C
radiation
D
thermal conduction
5) Heat breaks and creates bonds between particles in a
A
change of state.
B
change of temperature.
C
chemcial change.
D
physical change.
6) The lowest possible temperature is
A
O K
B
O degrees C
C
273 K
D
O degrees F
7) When a substance changes state, thermal energy
A
changes the chemical composition of the substance.
B
changes the arrangement of particles in the substance.
C
increases the kinetic energy of the substance's particles.
D
changes the temperature of teh substance.
8) In a bomb calorimeter, the energy released from a burning food sample is transferred to water, and so is calculated by the increase in the water's
A
temperature
B
conductivity
C
specific heat
D
mass
9) Thermal pollution increases the temperature of river or lake water, which
A
causes the water to boil.
B
harms the animals living in the water.
C
contaminates the water.
D
intruduces new species to the water.
10) If the particles of two substances have the same average kinetic energy, then
A
the particles will not react chemically.
B
the substances have equal thermal energies.
C
the specific heats of the substances are identical.
D
the substances have equal temperatures.
*select an answer for all questions
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