11 Questions
In which scenario is the electric resistance of a cable inversely proportional to the diameter of the cable?
When the resistance is inversely proportional to the square root of the diameter
For which situation would the Moody chart NOT be useful?
Flow in a subsonic diffuser
If Q = (constant)(r'/u) dp/dx, what type of flow is being assumed?
Irrotational flow
In which type of flow is Bernoulli's equation valid for rotational flow?
Rotational flow
When is the simplified continuity equation V·V = 0 not applicable?
In unsteady incompressible flow
What is a characteristic of an adiabatic process?
The heat transfer is zero
Which statement about the Carnot efficiency is NOT TRUE?
No reversible power cycle operating between two thermal reservoirs can have an efficiency equal to the Carnot efficiency
In a rigid container heated by the sun with no shaft work, what does the First Law of Thermodynamics determine about the resulting work?
Equal to zero
To test an inventor's claim of an engine revolutionizing the automotive industry, which principle of thermodynamics would be most appropriate?
Second Law of Thermodynamics
What type of flow involves steady rotation and incompressibility?
Steady rotational incompressible flow
Which property characterizes an adiabatic process?
Zero heat exchange with surroundings
Test your knowledge on electric resistance of a cable and the application of the Moody chart in fluid dynamics problems. Choose the correct statements regarding cable resistance and identify scenarios where the Moody chart is not applicable.
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