WorksheetsThermodynamics Quiz
Total questions: 15
Worksheet time: 8mins
What does Entropy represent in a thermodynamic system?
Total Energy
Measure of disorder/randomness
Temperature
Pressure
Why does cooking Maggi take longer at a hill station?
Lower temperature
Higher pressure increases boiling point
Lower pressure decreases boiling point
Wind speed cools the pot
Is "Work done" a path function or point function?
Point Function
Path Function
Neither
Depends on temperature
Why does a deodorant can feel cold during prolonged spraying?
Compression releases heat
Chemical reaction
Expansion of gas absorbs heat
The liquid inside is frozen
The Third Law of Thermodynamics states the entropy of a perfect crystal at 0 Kelvin is:
Infinite
100 Units
Zero
Negative
Why are steam burns worse than boiling water burns?
Steam is hotter than 100 Degree Celcius
Steam releases Latent Heat
Water cools faster
Steam has density
Is mixing hot and cold water a reversible process?
Yes
No
Only in vacuum
Only at 0 Degree Celsius
Will a room cool down if the AC is on but the door is open?
Yes, immediately
No, the rear rejects heat into the same air mass
Yes, if the fan is fast
Only the hallway cools
Enthalpy is defined as:
Internal Energy + Pressure X Volume (H = U + PV)
Heat X Temperature
Disorder of system
Work done
To keep coffee hot after 5 minutes, when should you add milk?
After 5 minutes
Immediately (Now)
Never
At 2.5 minutes
A T-S diagram plots Temperature against:
Time
Strain
Entropy
Stress
The cooling of coffee is governed by which law?
First Law of Thermodynamics
Newton's Law of Cooling
Fourier's Law
Stefan-Boltzmann Law
Displacement is what type of function?
Path Function
Point Function
Exponential Function
Linear Function
Why does a hill station have lower pressure?
High humidity
Less air column above
More trees
Cold temperature
Which law defines Absolute Zero?
Zeroth Law
First Law
Second Law
Third Law
