Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Mechanical Properties of Fluids. In this article, we will provide 50+ MCQ questions on the Mechanical Properties of Fluids, along with detailed solutions to help you prepare for the JEE Mains exam.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Mechanical Properties of Fluids JEE Mains MCQ Questions with Answers.
Mechanical Properties of Fluids JEE Mains MCQ
The property of a fluid by which a tangential force is required to move one layer of fluid with respect to another layer is called:
a) Viscosity
b) Surface tension
c) Compressibility
d) Cohesion
The SI unit of dynamic viscosity is:
a) N/m^2
b) N/m^2 s
c) kg/m^2 s
d) kg/m s
The coefficient of viscosity depends on:
a) Temperature
b) Pressure
c) Both temperature and pressure
d) Neither temperature nor pressure
The flow of a liquid in which each layer of the liquid slides over the adjacent layer without any intermixing is known as:
a) Steady flow
b) Turbulent flow
c) Streamline flow
d) Laminar flow
The equation of continuity is based on the conservation of:
a) Energy
b) Mass
c) Momentum
d) Pressure
Bernoulli’s equation is based on the conservation of:
a) Energy
b) Mass
c) Momentum
d) Pressure
The pressure exerted by a fluid at rest is:
a) Only dependent on the depth of the fluid
b) Independent of the density of the fluid
c) Dependent on the shape of the container
d) All of the above
The pressure difference between two points in a fluid column depends on:
a) Height difference between the two points
b) Density of the fluid
c) Acceleration due to gravity
d) All of the above
Pascal’s law states that:
a) Pressure applied to a fluid is transmitted undiminished to every part of the fluid and to the walls of the container
b) The velocity of a fluid flowing through a pipe is inversely proportional to the area of cross-section
c) The buoyant force experienced by an object immersed in a fluid is equal to the weight of the fluid displaced by the object
d) The pressure exerted by a fluid at a point is directly proportional to the depth of the fluid at that point
The apparent weight of a body submerged in a fluid is:
a) Equal to the actual weight of the body
b) Less than the actual weight of the body
c) Greater than the actual weight of the body
d) Zero
When an object is partially or wholly immersed in a fluid, it experiences an upward force called:
a) Tension
b) Friction
c) Buoyant force
d) Weight
The buoyant force experienced by an object is equal to:
a) The weight of the object
b) The density of the fluid
c) The volume of the object
d) The weight of the fluid displaced by the object
The magnitude of buoyant force acting on a submerged object depends on:
a) The volume of the object
b) The density of the object
c) The density of the fluid
d) All of the above
A solid sphere, a solid cylinder, and a hollow sphere, all of the same mass and radius, are placed in a fluid. Rank them in increasing order of the buoyant force experienced by them.
a) Hollow sphere, solid cylinder, solid sphere
b) Solid cylinder, solid sphere, hollow sphere
c) Solid sphere, solid cylinder, hollow sphere
d) Solid sphere, hollow sphere, solid cylinder
The coefficient of viscosity of a fluid can be determined using:
a) Poiseuille’s law
b) Hooke’s law
c) Ohm’s law
d) Pascal’s law
Poiseuille’s law gives the relation between:
a) Flow rate and pressure difference in a fluid
b) Flow rate and viscosity of a fluid
c) Pressure difference and viscosity of a fluid
d) Velocity and pressure difference in a fluid
The coefficient of viscosity of a fluid is directly proportional to:
a) Density of the fluid
b) Surface tension of the fluid
c) Temperature of the fluid
d) Pressure of the fluid
The velocity of the fluid at the center of a horizontal pipe is:
a) Maximum
b) Minimum
c) Zero
d) Same as the velocity at the pipe’s surface
The streamline flow of a fluid is characterized by:
a) Irregular flow patterns
b) Eddies and whirlpools
c) Smooth flow patterns
d) High turbulence
The phenomenon of capillarity is due to:
a) Viscosity of the fluid
b) Cohesion and adhesion of the fluid molecules
c) Pressure difference in the fluid
d) Surface tension of the fluid
The pressure inside a drop of liquid is:
a) Same throughout the drop
b) Highest at the bottom of the drop
c) Highest at the top of the drop
d) Different at different points inside the drop
The surface tension of a liquid depends on:
a) The shape of the container
b) The size of the container
c) The material of the container
d) The nature of the liquid
The angle of contact between a liquid and a solid surface is the angle between:
a) The tangent to the liquid surface and the normal to the solid surface
b) The liquid droplet and the solid surface
c) The liquid droplet and the tangent to the liquid surface
d) The liquid droplet and the normal to the solid surface
When the surface tension of a liquid is increased, its meniscus formed in a capillary tube:
a) Rises
b) Falls
c) Remains unchanged
d) Depends on the diameter of the tube
The excess pressure inside a liquid drop compared to the pressure outside is given by:
a) Pascal’s law
b) Bernoulli’s equation
c) Laplace’s law
d) Poiseuille’s law
The shape of a soap bubble is due to:
a) Surface tension
b) Viscosity
c) Density
d) Pressure difference
The terminal velocity of a spherical body falling through a viscous medium depends on:
a) The radius of the body
b) The density of the body
c) The density of the medium
d) The coefficient of viscosity of the medium
The rate of flow of a fluid through a pipe is directly proportional to:
a) The pressure difference across the ends of the pipe
b) The length of the pipe
c) The viscosity of the fluid
d) The diameter of the pipe
The flow of a fluid is said to be turbulent when:
a) The flow is steady and predictable
b) The flow is irregular and unpredictable
c) The flow is streamlined and smooth
d) The flow is laminar
The coefficient of viscosity of water at 20°C is approximately:
a) 0.001 N/m^2 s
b) 0.01 N/m^2 s
c) 0.1 N/m^2 s
d) 1 N/m^2 s
We hope there JEE MCQ of Class 11 Mechanical Properties of Fluids will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
