WorksheetsM2.2 Behaviour of Fluids
Total questions: 13
Worksheet time: 7mins
What is viscosity?
The resistance of a fluid to a change in shape or relative movement
The speed at which a fluid flows
The temperature at which a fluid boils
The density of a fluid
What does viscosity denote?
Attraction between molecules
Opposition to flow
Increase in temperature
Decrease in pressure
What causes viscosity in fluids?
External pressure
Internal friction between molecules
Temperature changes
Magnetic fields
How does high viscosity affect fluid flow in pipelines?
It makes the flow faster
It makes the flow slower
It has no effect
It changes the color
What type of oils have high viscosity?
Cold heavy oils
Light oils
Volatile oils
Petroleum spirit
What is a major factor in determining the forces in fluid transport?
Viscosity
Temperature
Color
Density
How does the viscosity of liquids change with temperature?
Increases with an increase in temperature
Decreases with an increase in temperature
Remains constant
Increases and then decreases
What is fluid resistance?
The ability of a fluid to change color
The resistance to motion within a fluid
The speed at which a fluid flows
The temperature change in a fluid
What is the purpose of countersunk rivets in aircraft?
To increase the weight of the aircraft
To reduce fluid resistance over the airframe
To change the color of the aircraft
To increase the speed of the aircraft
What is the effect of using composite materials in aircraft design?
Increases the need for riveting
Reduces the need for riveting
Changes the color of the aircraft
Increases the weight of the aircraft
What causes fluid resistance?
A solid object traveling through a vacuum
A solid object traveling through a liquid or gas
A liquid changing color
A gas changing temperature
What is the effect of temperature on the viscosity of air?
Increases viscosity
Decreases viscosity
No effect
Changes color
What is the relationship between temperature and viscosity in gases?
Directly proportional
Inversely proportional
No relationship
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