How does your refrigerator (Jääkaappi) work?
Heat engines and heat pumps

Quiz
•
Physics
•
University
•
Hard

Shekhar Satpute
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Moves heat from inside the fridge to the room
Blows cold air into the fridge
Uses convection cells
It generates cold air
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a fridge the condenser coils are
inside the fridge
outside the fridge
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a fridge the evaporator coils are
inside the fridge
outside the fridge
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The temperature of the gas coming into the condenser coils is
the same as the surroundings
greater than the surroundings
less than the surroundings
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The expansion device on a fridge
decreases the temperature of the refrigerant liquid leaving the condenser
increases the temperature of the refrigerant liquid leaving the condenser
decreases the temperature of the refrigerant gas leaving the condenser
increases the temperature of the refrigerant gas leaving the condenser
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The main purpose of any heat engine is ........................................... .
To convert heat energy into movement, W.
To convert heat energy into internal energy, W.
To convert heat energy into work, W.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No engine can transfer all the input heat energy into useful work. Some energy is transferred to the surroundings. Which thermodynamic law is this?
1st Law
2nd Law
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