Energy and the First Law of Thermodynamics
Authored by Zaid Hatamleh
Physics
University
Used 5+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In thermodynamics, the correct sign convention is:
In thermodynamics, the correct sign convention is:
W>0 means work done on the system
Q > 0 means heat transferred from the system
W > 0 means work done by the system
Q < 0 means heat transferred to the system
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which statement about heat is correct?
Heat is a property stored inside a system
Heat is an energy transfer driven only by a temperature difference
Heat always equals work in any process
Heat is defined only in conduction
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The thermal efficiency of a power cycle is:
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The coefficient of performance (COP) of a refrigeration cycle is:
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which expression correctly represents the energy balance for a closed system?
6.
FILL IN THE BLANKS QUESTION
3 mins • 1 pt
Determine the change in kinetic energy in [kJ].
(a)
Answer explanation
7.
FILL IN THE BLANKS QUESTION
3 mins • 1 pt
Determine the change in potential energy, in kJ.
(a)
Answer explanation
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
