Heat Engines

Quiz
•
Science
•
9th Grade
•
Medium
+1
Standards-aligned
Lisa Thompson
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How much is the energy received from the hot reservoir?
120 J
480 J
360 J
580J
Tags
NGSS.HS-PS3-4
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
In energy transformations, "wasted energy" usually takes what form?
heat
chemical energy
light
sound waves
Tags
NGSS.HS-PS3-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is a device that converts heat energy into mechanical energy?
Refrigerator
Heat engine
Thermostat
Tags
NGSS.HS-PS3-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Four strokes of the engine cycle, in order:
compression, exhaust, power, intake
ignition, compression, power, exit
intake, compression, power, exhaust
Tags
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the gas if it is heated inside the engine’s cylinder?
The gas expands
The gas contracts
The gas remains the same
The gas ignites
Tags
NGSS.MS-PS1-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Can we consider heat engine 100% efficient? Why?/Why not?
No, because some of the gases are exhausted into the environment
Yes, because it converts all energy
No, because it loses energy to friction
Yes, because it is perfectly designed
Tags
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary reason a heat engine cannot achieve 100% efficiency?
Because it is designed for maximum output
Because some energy is lost as waste heat
Because it uses mechanical energy
Because it operates at low temperatures
Tags
NGSS.HS-PS3-4
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