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