Podcast
Questions and Answers
In which scenario is the electric resistance of a cable inversely proportional to the diameter of the cable?
In which scenario is the electric resistance of a cable inversely proportional to the diameter of the cable?
- When the resistance is proportional to the square of the diameter
- When the resistance is inversely proportional to the square root of the diameter (correct)
- When the resistance is directly proportional to the diameter
- When the resistance is directly proportional to the square root of the diameter
For which situation would the Moody chart NOT be useful?
For which situation would the Moody chart NOT be useful?
- Flow of water in a pipe with corroded and rough inner walls
- Flow in a subsonic diffuser (correct)
- Flow of natural gas in a long pipe
- Flow of oil in a long channel with square cross section
If Q = (constant)(r'/u) dp/dx, what type of flow is being assumed?
If Q = (constant)(r'/u) dp/dx, what type of flow is being assumed?
- Turbulent flow
- Irrotational flow (correct)
- Compressible flow
- Laminar flow
In which type of flow is Bernoulli's equation valid for rotational flow?
In which type of flow is Bernoulli's equation valid for rotational flow?
When is the simplified continuity equation V·V = 0 not applicable?
When is the simplified continuity equation V·V = 0 not applicable?
What is a characteristic of an adiabatic process?
What is a characteristic of an adiabatic process?
Which statement about the Carnot efficiency is NOT TRUE?
Which statement about the Carnot efficiency is NOT TRUE?
In a rigid container heated by the sun with no shaft work, what does the First Law of Thermodynamics determine about the resulting work?
In a rigid container heated by the sun with no shaft work, what does the First Law of Thermodynamics determine about the resulting work?
To test an inventor's claim of an engine revolutionizing the automotive industry, which principle of thermodynamics would be most appropriate?
To test an inventor's claim of an engine revolutionizing the automotive industry, which principle of thermodynamics would be most appropriate?
What type of flow involves steady rotation and incompressibility?
What type of flow involves steady rotation and incompressibility?
Which property characterizes an adiabatic process?
Which property characterizes an adiabatic process?
