Physics MCQs

# Fluid Mechanics MCQs with Answers

The property of a fluid that resists its flow is called:
a) Viscosity
b) Density
c) Pressure
d) Surface tension

The pressure exerted by a fluid at rest increases with:
a) Depth
b) Surface area
c) Temperature
d) Velocity

The buoyant force exerted on an object immersed in a fluid is equal to the:
a) Weight of the object
b) Volume of the object
c) Mass of the object
d) Density of the object
Answer: a) Weight of the object

The principle that states that the pressure applied to a fluid is transmitted undiminished to every point of the fluid is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The velocity of a fluid flowing through a pipe is highest at:
a) The widest section of the pipe
b) The narrowest section of the pipe
c) The middle section of the pipe
d) The entrance of the pipe
Answer: b) The narrowest section of the pipe

The resistance of a fluid to flow is inversely proportional to its:
a) Viscosity
b) Density
c) Velocity
d) Surface tension

The pressure difference between two points in a fluid is directly proportional to the:
a) Depth between the two points
b) Density of the fluid
c) Acceleration due to gravity
d) Surface area of the container
Answer: a) Depth between the two points

The flow of a fluid in which the velocity and pressure are constant along any line of flow is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The equation that relates the pressure, density, and height in a fluid is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is called:
a) Pressure
b) Velocity
c) Density
d) Viscosity

The principle that explains why an object immersed in a fluid experiences an upward buoyant force is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The upward force experienced by an object submerged in a fluid is equal to the weight of the fluid displaced by the object. This statement is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The flow of a fluid in which the velocity and pressure vary randomly is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The property of a fluid that determines its resistance to shear or flow is called:
a) Viscosity
b) Density
c) Pressure
d) Surface tension

The pressure in a fluid decreases with:
a) Depth
b) Surface area
c) Temperature
d) Velocity

The buoyant force experienced by an object immersed in a fluid depends on the:
a) Mass of the object
b) Volume of the object
c) Density of the object
d) Density of the fluid
Answer: b) Volume of the object

The principle that states that the buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The velocity of a fluid flowing through a pipe is lowest at:
a) The widest section of the pipe
b) The narrowest section of the pipe
c) The middle section of the pipe
d) The exit of the pipe
Answer: b) The narrowest section of the pipe

The resistance of a fluid to flow is directly proportional to its:
a) Viscosity
b) Density
c) Velocity
d) Surface tension

The pressure in a fluid depends on:
a) Depth, density, and acceleration due to gravity
b) Surface area, velocity, and temperature
c) Volume, mass, and viscosity
d) Force, velocity, and surface tension
Answer: a) Depth, density, and acceleration due to gravity

The flow of a fluid in which adjacent layers slide past each other is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The equation that relates the pressure, density, and height in a fluid at rest is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is transmitted undiminished in all directions. This statement is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The flow of a fluid in which the velocity and pressure are constant along any line of flow is known as:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The property of a fluid that determines its ability to resist changes in shape or volume is called:
a) Viscosity
b) Density
c) Pressure
d) Surface tension

The pressure in a fluid increases with:
a) Depth
b) Surface area
c) Temperature
d) Velocity

The buoyant force experienced by an object immersed in a fluid depends on the:
a) Weight of the object
b) Volume of the object
c) Mass of the object
d) Density of the object
Answer: b) Volume of the object

The principle that explains why an object immersed in a fluid experiences an upward buoyant force is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The equation that relates the pressure, velocity, and height in a flowing fluid is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is called:
a) Pressure
b) Velocity
c) Density
d) Viscosity

The principle that explains the upward force experienced by an object submerged in a fluid is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The flow of a fluid in which adjacent layers move in parallel lines is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The property of a fluid that determines its resistance to shear or flow is called:
a) Viscosity
b) Density
c) Pressure
d) Surface tension

The pressure in a fluid decreases with:
a) Depth
b) Surface area
c) Temperature
d) Velocity

The buoyant force experienced by an object immersed in a fluid is equal to the:
a) Weight of the object
b) Volume of the object
c) Mass of the object
d) Density of the object
Answer: a) Weight of the object

The principle that states that the pressure applied to a fluid is transmitted undiminished to every point of the fluid is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The velocity of a fluid flowing through a pipe is highest at:
a) The widest section of the pipe
b) The narrowest section of the pipe
c) The middle section of the pipe
d) The entrance of the pipe
Answer: b) The narrowest section of the pipe

The resistance of a fluid to flow is inversely proportional to its:
a) Viscosity
b) Density
c) Velocity
d) Surface tension

The pressure difference between two points in a fluid is directly proportional to the:
a) Depth between the two points
b) Density of the fluid
c) Acceleration due to gravity
d) Surface area of the container
Answer: a) Depth between the two points

The flow of a fluid in which the velocity and pressure are constant along any line of flow is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The equation that relates the pressure, density, and height in a fluid is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is called:
a) Pressure
b) Velocity
c) Density
d) Viscosity

The principle that explains why an object immersed in a fluid experiences an upward buoyant force is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The principle that states that the pressure applied to a fluid is transmitted undiminished to every point of the fluid is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The velocity of a fluid flowing through a pipe is highest at:
a) The widest section of the pipe
b) The narrowest section of the pipe
c) The middle section of the pipe
d) The entrance of the pipe
Answer: b) The narrowest section of the pipe

The resistance of a fluid to flow is inversely proportional to its:
a) Viscosity
b) Density
c) Velocity
d) Surface tension

The pressure difference between two points in a fluid is directly proportional to the:
a) Depth between the two points
b) Density of the fluid
c) Acceleration due to gravity
d) Surface area of the container
Answer: a) Depth between the two points

The flow of a fluid in which the velocity and pressure are constant along any line of flow is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The equation that relates the pressure, density, and height in a fluid at rest is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is called:
a) Pressure
b) Velocity
c) Density
d) Viscosity

The principle that explains why an object immersed in a fluid experiences an upward buoyant force is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The flow of a fluid in which the velocity and pressure vary randomly is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The property of a fluid that determines its resistance to shear or flow is called:
a) Viscosity
b) Density
c) Pressure
d) Surface tension

The pressure in a fluid decreases with:
a) Depth
b) Surface area
c) Temperature
d) Velocity

The buoyant force experienced by an object immersed in a fluid is equal to the:
a) Weight of the object
b) Volume of the object
c) Mass of the object
d) Density of the object
Answer: a) Weight of the object

The principle that states that the pressure applied to a fluid is transmitted undiminished to every point of the fluid is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The velocity of a fluid flowing through a pipe is highest at:
a) The widest section of the pipe
b) The narrowest section of the pipe
c) The middle section of the pipe
d) The entrance of the pipe
Answer: b) The narrowest section of the pipe

The resistance of a fluid to flow is inversely proportional to its:
a) Viscosity
b) Density
c) Velocity
d) Surface tension

The pressure difference between two points in a fluid is directly proportional to the:
a) Depth between the two points
b) Density of the fluid
c) Acceleration due to gravity
d) Surface area of the container
Answer: a) Depth between the two points

The flow of a fluid in which the velocity and pressure are constant along any line of flow is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The equation that relates the pressure, density, and height in a fluid is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is called:
a) Pressure
b) Velocity
c) Density
d) Viscosity

The principle that explains why an object immersed in a fluid experiences an upward buoyant force is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The principle that states that the pressure applied to a fluid is transmitted undiminished to every point of the fluid is known as:
a) Pascal’s principle
b) Archimedes’ principle
c) Bernoulli’s principle
d) Newton’s principle

The velocity of a fluid flowing through a pipe is highest at:
a) The widest section of the pipe
b) The narrowest section of the pipe
c) The middle section of the pipe
d) The entrance of the pipe
Answer: b) The narrowest section of the pipe

The resistance of a fluid to flow is inversely proportional to its:
a) Viscosity
b) Density
c) Velocity
d) Surface tension

The pressure difference between two points in a fluid is directly proportional to the:
a) Depth between the two points
b) Density of the fluid
c) Acceleration due to gravity
d) Surface area of the container
Answer: a) Depth between the two points

The flow of a fluid in which the velocity and pressure are constant along any line of flow is called:
a) Laminar flow
b) Turbulent flow
c) Streamline flow
d) Irrotational flow

The equation that relates the pressure, density, and height in a fluid is known as:
a) Bernoulli’s equation
b) Archimedes’ principle
c) Pascal’s principle
d) Boyle’s law

The force per unit area exerted on a surface by a fluid is called:
a) Pressure
b) Velocity
c) Density
d) Viscosity