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Questions and Answers
In a steady-state, steady-flow process, mass is neither __ nor __.
In a steady-state, steady-flow process, mass is neither __ nor __.
- Created, destroyed (correct)
- Generated, eliminated
- Conserved, altered
- Increased, decreased
For a system with multiple inlets and multiple outlets, the conservation of mass can be written on a rate basis. In this case, the mass flow rate terms are equal to __ due to no mass flow in or out of the system.
For a system with multiple inlets and multiple outlets, the conservation of mass can be written on a rate basis. In this case, the mass flow rate terms are equal to __ due to no mass flow in or out of the system.
- 0 (correct)
- -1
- Infinity
- 1
Closed systems are considered special forms of open systems because:
Closed systems are considered special forms of open systems because:
- The mass changes constantly
- No mass flows in or out of the system (correct)
- There is infinite mass flow
- The system is isolated from its surroundings
What is the resulting equation for the first law on a rate basis for steady-state, steady-flow processes?
What is the resulting equation for the first law on a rate basis for steady-state, steady-flow processes?
Which type of systems assume no mass flows in or out and have a constant mass with respect to time?
Which type of systems assume no mass flows in or out and have a constant mass with respect to time?
What is the name given to the principle stating that energy cannot be created or destroyed, only transformed?
What is the name given to the principle stating that energy cannot be created or destroyed, only transformed?
Which term can be pulled out of the derivative on the right-hand side of the energy balance equation for a closed system?
Which term can be pulled out of the derivative on the right-hand side of the energy balance equation for a closed system?
'Principles of Engineering Thermodynamics' discusses the first law of thermodynamics focusing on:
'Principles of Engineering Thermodynamics' discusses the first law of thermodynamics focusing on:
'Closed systems can be considered special forms of open systems because _____.' The blank should be filled with:
'Closed systems can be considered special forms of open systems because _____.' The blank should be filled with:
What type of process does the conservation of mass apply to?
What type of process does the conservation of mass apply to?
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