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Heat Transfer And PVT
Test Description: Review for heat transfer and PVT
Instructions: Answer all questions to get your test result.
1) What is internal heat?
A
The actual energy within an object
B
the energy being used up within a system
C
what we feel inside
D
kinetic energy of particles in a substance
2) what is temperature?
A
the energy being used up within a system
B
what we feel inside
C
the actual energy within an object
D
kinetic energy of particles in a substance
3) How does heat move within a system?
A
from hot to cold
B
heat moves all over through radiation
C
from cold to hot
D
heat does not move
4) This form of heat transfer moves through direct contact
A
convection
B
conduction
C
equillibrium
D
radiation
5) As temperature increases
A
electrons decrease in potential energy
B
particles within a system decrease in kinetic energy
C
objects increase in size
D
particles within a system increase in kinetic energy
6) heat transfer continues until both objects are
A
cold
B
at thermal equillibrium
C
separated through radiation
D
separated through convection
7) heat transfer through fluids and gases
A
radiation
B
conduction
C
convection
D
total internal energy
8) how does heat travel through convection
A
through the transfer of kinetic energy
B
hot liquid or gas rises
C
cold liquid or gas rises
D
heat just travels in circles
9) heat transfer that does not require a medium
A
radiation
B
equilibrium
C
conduction
D
convection
10) dark objects
A
do nothing in terms of heat
B
absorb more radiation
C
do not absorb heat
D
absorb less radiation
11) This causes winds in weather
A
radiation
B
convection currents
C
equilibrium
D
conduction
12) Electromagnetic waves is an example of
A
convection
B
heat
C
conduction
D
radiation
13) the sun causing you to get sun burnt
A
conduction
B
convection
C
temperature
D
radiation
14) what will the new temperature be if we have a 10C brick next to a 20C brick of both bricks?
A
30
B
15
C
10
D
40
15) If we keep pressure constant, increase the temperature, what will happen to the volume?
A
increase
B
stay the same
C
I lost my PVT paper
D
decrease
16) If we keep temperature constant, increase the volume, what will happen to the pressure?
A
decrease
B
I need to study
C
remain the same
D
increase
17) In our computer lab, what happened to the temperature when we keep pressure constant and decreased the volume?
A
increases
B
decreases
C
increased then decreased
D
remains the same
18) as temperature increases our kinetic energy
A
increases
B
decreases
C
is inversely proportional
D
remains the same
19) an example of a thermal conductor is
A
metal
B
coat
C
wood
D
air
20) a thermal insulator is
A
a coat
B
penny
C
aluminum
D
metal
*select an answer for all questions
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