Podcast
Questions and Answers
What property distinguishes adhesion from cohesion in fluids?
What property distinguishes adhesion from cohesion in fluids?
- Formation of a meniscus in a container
- Density comparison between liquids and gases
- Attraction between unlike molecules (correct)
- Resistance to flow within a fluid
Which characteristic is NOT associated with gases when compared to liquids?
Which characteristic is NOT associated with gases when compared to liquids?
- High viscosity (correct)
- Turbulent flow
- Compressibility
- Ability to fill a container
What is the primary difference between hydraulic and pneumatic systems?
What is the primary difference between hydraulic and pneumatic systems?
- Hydraulic systems are more efficient than pneumatic systems
- Hydraulic systems use liquids, pneumatic systems use gases (correct)
- Hydraulic systems operate at lower pressures than pneumatic systems
- Pneumatic systems require more maintenance than hydraulic systems
Which of the following statements correctly describes viscosity?
Which of the following statements correctly describes viscosity?
How can flow rate be correctly calculated?
How can flow rate be correctly calculated?
Which of the following items should students bring for the assessment?
Which of the following items should students bring for the assessment?
What is the maximum number of marks a student can earn from the Short Answer/Problems section?
What is the maximum number of marks a student can earn from the Short Answer/Problems section?
In the context of systems, which of the following best defines 'inputs'?
In the context of systems, which of the following best defines 'inputs'?
Which of the following is an example of a side effect of a system?
Which of the following is an example of a side effect of a system?
Which of the following equations represents the concept of Mechanical Advantage (MA) through output force and input force?
Which of the following equations represents the concept of Mechanical Advantage (MA) through output force and input force?
What distinguishes a physical system from a social system?
What distinguishes a physical system from a social system?
What is a subsystem in the context of systems?
What is a subsystem in the context of systems?
Which of the following best describes mechanisms in physical systems?
Which of the following best describes mechanisms in physical systems?
Which statement accurately reflects systems thinking?
Which statement accurately reflects systems thinking?
What is mechanical advantage best defined as?
What is mechanical advantage best defined as?
Which class of lever is defined by the load being positioned between the effort and the fulcrum?
Which class of lever is defined by the load being positioned between the effort and the fulcrum?
What will allow you to lift a heavier load with less effort in mechanical systems?
What will allow you to lift a heavier load with less effort in mechanical systems?
Which of the following actions does not typically involve automation?
Which of the following actions does not typically involve automation?
Flashcards
Cohesion
Cohesion
The force of attraction between molecules of the same substance.
Adhesion
Adhesion
The force of attraction between molecules of different substances.
Viscosity
Viscosity
The tendency of a fluid to resist flow.
Flow Rate
Flow Rate
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Compressibility
Compressibility
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Inputs
Inputs
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Outputs
Outputs
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Side Effects
Side Effects
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Mechanical Advantage (MA)
Mechanical Advantage (MA)
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Work (W)
Work (W)
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Physical System
Physical System
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Social System
Social System
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Subsystem
Subsystem
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Force
Force
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Energy
Energy
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Mechanism
Mechanism
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Automation
Automation
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Systems Thinking
Systems Thinking
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Study Notes
Fluids - Success Criteria
- Students are able to distinguish between cohesion and adhesion
- Students are able to distinguish between the states of matter — solid, liquid, and gas
- Students are able to explain the difference between flow — turbulent and laminar flow
- Students are able to identify cohesion, adhesion, and surface tension
- Students are able to calculate the flow rate and give correct units
- Students are able to explain pressure and explain the difference between compressibility
- Students are able to explain viscosity and distinguish between high and low viscosity
- Students are able to distinguish between hydraulic and pneumatic systems
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Description
Test your understanding of key concepts in fluids, including cohesion, adhesion, and the states of matter. This quiz covers flow types, pressure, viscosity, and differences between hydraulic and pneumatic systems. Brush up on your knowledge and see how well you can distinguish these terms.
