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Which one of the following is not the correct statement about control volume?
- a)Matter flows continuously in and out
- b)Heat and work flows across the control
- c)Control volume must be stationary
- d)Focuses an definite volume and volume is enclosed by control surface
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which one of the following is not the correct statement about control ...
Explanation:
Control volume is defined as a fixed region in space through which fluid flows. The control volume may be fixed or moving, and may be open or closed. The control volume analysis is a method used to predict the behavior of fluid in a given physical system. It is a mathematical tool used to analyze fluid flow, thermodynamics, and other phenomena. Control volume analysis is used in many applications, including HVAC systems, engines, and industrial processes.
Control volume analysis involves the following assumptions:
- Matter flows continuously in and out of the control volume.
- Heat and work flows across the control surface.
- The control volume must be stationary.
- The control volume focuses on a definite volume enclosed by the control surface.
Not the correct statement about control volume:
Control volume must be stationary. This statement is not true because the control volume can be stationary or moving. In the case of a stationary control volume, the fluid flows into and out of the control volume, and the boundaries of the control volume do not move. In the case of a moving control volume, the boundaries of the control volume move with the fluid, and the fluid flows into and out of the control volume.
The other statements about control volume are correct:
- Matter flows continuously in and out of the control volume: This statement is true because the control volume analysis involves the analysis of fluid flow, which is characterized by the continuous movement of fluid particles.
- Heat and work flows across the control surface: This statement is true because the control volume analysis involves the analysis of thermodynamic phenomena, which are characterized by the transfer of heat and work across the control surface.
- The control volume focuses on a definite volume enclosed by the control surface: This statement is true because the control volume analysis involves the analysis of a specific region in space, which is enclosed by the control surface.
Conclusion:
The control volume analysis is a useful tool for predicting the behavior of fluid in a given physical system. The control volume can be stationary or moving, and it focuses on a definite volume enclosed by the control surface. The assumptions of control volume analysis include the continuous flow of matter, the transfer of heat and work across the control surface, and the stationary or moving nature of the control volume.
Control volume is defined as a fixed region in space through which fluid flows. The control volume may be fixed or moving, and may be open or closed. The control volume analysis is a method used to predict the behavior of fluid in a given physical system. It is a mathematical tool used to analyze fluid flow, thermodynamics, and other phenomena. Control volume analysis is used in many applications, including HVAC systems, engines, and industrial processes.
Control volume analysis involves the following assumptions:
- Matter flows continuously in and out of the control volume.
- Heat and work flows across the control surface.
- The control volume must be stationary.
- The control volume focuses on a definite volume enclosed by the control surface.
Not the correct statement about control volume:
Control volume must be stationary. This statement is not true because the control volume can be stationary or moving. In the case of a stationary control volume, the fluid flows into and out of the control volume, and the boundaries of the control volume do not move. In the case of a moving control volume, the boundaries of the control volume move with the fluid, and the fluid flows into and out of the control volume.
The other statements about control volume are correct:
- Matter flows continuously in and out of the control volume: This statement is true because the control volume analysis involves the analysis of fluid flow, which is characterized by the continuous movement of fluid particles.
- Heat and work flows across the control surface: This statement is true because the control volume analysis involves the analysis of thermodynamic phenomena, which are characterized by the transfer of heat and work across the control surface.
- The control volume focuses on a definite volume enclosed by the control surface: This statement is true because the control volume analysis involves the analysis of a specific region in space, which is enclosed by the control surface.
Conclusion:
The control volume analysis is a useful tool for predicting the behavior of fluid in a given physical system. The control volume can be stationary or moving, and it focuses on a definite volume enclosed by the control surface. The assumptions of control volume analysis include the continuous flow of matter, the transfer of heat and work across the control surface, and the stationary or moving nature of the control volume.
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Which one of the following is not the correct statement about control volume?a)Matter flows continuously in and outb)Heat and work flows across the controlc)Control volume must be stationaryd)Focuses an definite volume and volume is enclosed by control surfaceCorrect answer is option 'C'. Can you explain this answer?
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