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Latest CUET PG Water Engineering & Management Exam Question (Objective Questions), MCQ in English

Subjects : Water Engineering & Management

Question Bank CUET PG Water Engineering & Management Exam - English
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Water Engineering & Management

Question 1Single Answer
Which of the following is a property of a Newtonian fluid?
  1. A
    Its viscosity varies with the rate of shear strain.
  2. B
    Its viscosity remains constant irrespective of the rate of shear strain.
  3. C
    Its density is variable.
  4. D
    It exhibits elastic behavior.
Question 2Single Answer
Which of the following fluids has a constant viscosity at different shear rates?
  1. A
    Non-Newtonian fluid
  2. B
    Ideal fluid
  3. C
    Newtonian fluid
  4. D
    Incompressible fluid
Question 3Single Answer
What does the equation of state of a fluid relate to?
  1. A
    The relationship between mass and volume of the fluid.
  2. B
    The relationship between pressure, temperature, and volume.
  3. C
    The relationship between velocity and pressure.
  4. D
    The behavior of fluid under shear stress.
Question 4Single Answer
The bulk modulus of elasticity of a fluid refers to its ability to resist
  1. A
    Shear stress.
  2. B
    Compression.
  3. C
    Tension.
  4. D
    Flow.
Question 5Single Answer
In which type of fluid does viscosity not depend on the shear rate?
  1. A
    Bingham fluid
  2. B
    Non-Newtonian fluid
  3. C
    Ideal fluid
  4. D
    Newtonian fluid
Question 6Single Answer
Which of the following fluids exhibits shear thinning?
  1. A
    Ketchup
  2. B
    Water
  3. C
    Oil
  4. D
    Glycerin
Question 7Single Answer
The surface tension of a fluid is the force that
  1. A
    Resists the movement of fluid molecules.
  2. B
    Causes the fluid to contract to minimize its surface area.
  3. C
    Creates the flow of the fluid in a pipe.
  4. D
    Increases the density of the fluid.
Question 8Single Answer
Capillarity refers to the rise or fall of a liquid in a small diameter tube due to
  1. A
    Adhesive forces between the liquid and the tube.
  2. B
    Gravitational forces.
  3. C
    Cohesive forces within the liquid molecules.
  4. D
    The density of the liquid.
Question 9Single Answer
What is the unit of viscosity in SI units?
  1. A
    kg/ms
  2. B
    N/m²
  3. C
    Pa.s
  4. D
    m/s²
Question 10Single Answer
What happens to the viscosity of liquids with increasing temperature?
  1. A
    Viscosity increases.
  2. B
    Viscosity decreases.
  3. C
    Viscosity remains unchanged.
  4. D
    Viscosity initially decreases and then increases.
Question 11Single Answer
A fluid with a high coefficient of thermal expansion would
  1. A
    Show little change in volume with temperature variations.
  2. B
    Expand significantly with an increase in temperature.
  3. C
    Be highly compressible.
  4. D
    Be highly viscous.
Question 12Single Answer
What is the primary characteristic of an ideal fluid?
  1. A
    Infinite viscosity.
  2. B
    Non-compressible and non-viscous.
  3. C
    Compressible and viscous.
  4. D
    Constant temperature.
Question 13Single Answer
Which of the following is not a property of fluids?
  1. A
    Density
  2. B
    Pressure
  3. C
    Rigidity
  4. D
    Viscosity
Question 14Single Answer
Fluid statics deals with fluids at rest and involves the study of
  1. A
    Shear stress distribution in a fluid.
  2. B
    Fluid velocity profiles.
  3. C
    Pressure distribution in a static fluid.
  4. D
    Flow of fluid through pipes.
Question 15Single Answer
Which of the following is an example of fluid kinematics?
  1. A
    Calculation of velocity profiles in a pipe.
  2. B
    Study of pressure in a stationary fluid.
  3. C
    Measurement of shear stress in a fluid.
  4. D
    Study of fluid flow resistance.
Question 16Single Answer
What does fluid dynamics study?
  1. A
    Fluids at rest.
  2. B
    The movement of fluids.
  3. C
    Fluid temperature.
  4. D
    None of the above.
Question 17Single Answer
Which of the following is an example of a non-Newtonian fluid?
  1. A
    Water
  2. B
    Air
  3. C
    Blood
  4. D
    Honey
Question 18Single Answer
In fluid dynamics, the term "streamline" refers to
  1. A
    A fluid flowing in a straight line.
  2. B
    The path followed by a particle in the fluid.
  3. C
    The resistance of the fluid to flow.
  4. D
    The pressure distribution in the fluid.
Question 19Single Answer
Bernoulli's equation is an expression of the principle of
  1. A
    Conservation of mass.
  2. B
    Conservation of energy.
  3. C
    Conservation of momentum.
  4. D
    None of the above.
Question 20Single Answer
The effect of viscosity on the velocity profile of a fluid is seen in the
  1. A
    Reynolds number.
  2. B
    Velocity gradient.
  3. C
    Pressure drop.
  4. D
    Fluid density.
Question 21Single Answer
What is the main characteristic of a fluid in rotational motion?
  1. A
    Its velocity remains uniform throughout.
  2. B
    The fluid particles rotate around a fixed axis.
  3. C
    Its density is constant.
  4. D
    Its velocity is zero.
Question 22Single Answer
Which of the following is the main factor that affects the viscosity of gases?
  1. A
    Pressure
  2. B
    Temperature
  3. C
    Density
  4. D
    Flow rate
Question 23Single Answer
Which equation is used to relate the velocity of a fluid and the pressure exerted by it?
  1. A
    Navier-Stokes equation
  2. B
    Bernoulli's equation
  3. C
    Euler's equation
  4. D
    Poiseuille's equation
Question 24Single Answer
The shear stress in a Newtonian fluid is
  1. A
    Directly proportional to the velocity gradient.
  2. B
    Inversely proportional to the velocity gradient.
  3. C
    Independent of the velocity gradient.
  4. D
    Independent of the viscosity of the fluid.
Question 25Single Answer
What is the key difference between ideal and real fluids?
  1. A
    Ideal fluids have viscosity, while real fluids do not.
  2. B
    Ideal fluids do not experience shear stress, while real fluids do.
  3. C
    Real fluids have constant density, while ideal fluids have variable density.
  4. D
    Ideal fluids are compressible, while real fluids are incompressible.
Question 26Single Answer
The equation of state of an ideal gas is
  1. A
    P = V/T
  2. B
    PV = nRT
  3. C
    P = pgh
  4. D
    V = IR
Question 27Single Answer
The force per unit length exerted by a liquid drop due to surface tension is called
  1. A
    Capillary action.
  2. B
    Surface energy.
  3. C
    Surface force.
  4. D
    Surface pressure.
Question 28Single Answer
What happens when a fluid experiences shear stress?
  1. A
    The fluid moves in a uniform motion.
  2. B
    The fluid experiences deformation.
  3. C
    The density of the fluid decreases.
  4. D
    The pressure within the fluid increases.
Question 29Single Answer
Which fluid property is measured using a viscometer?
  1. A
    Density
  2. B
    Temperature
  3. C
    Viscosity
  4. D
    Pressure
Question 30Single Answer
In fluid dynamics, the term "laminar flow" refers to
  1. A
    Fluid flowing in parallel layers with minimal mixing.
  2. B
    Irregular flow with eddies and swirls.
  3. C
    Flow with high turbulence.
  4. D
    Flow through a rough surface.
Question 31Single Answer
Which of the following is true about the density of a fluid?
  1. A
    It decreases with increasing temperature.
  2. B
    It increases with increasing temperature.
  3. C
    It remains constant regardless of temperature changes.
  4. D
    It is independent of pressure.
Question 32Single Answer
Which term is used to describe a fluid that has no viscosity?
  1. A
    Ideal fluid
  2. B
    Non-Newtonian fluid
  3. C
    Real fluid
  4. D
    Superfluid
Question 33Single Answer
Which of the following equations represents the relationship between the flow rate and velocity in a pipe?
  1. A
    Continuity equation
  2. B
    Bernoulli’s equation
  3. C
    Navier-Stokes equation
  4. D
    Euler's equation
Question 34Single Answer
The primary factor influencing the Reynolds number is
  1. A
    Density of the fluid.
  2. B
    Viscosity of the fluid.
  3. C
    Velocity of the fluid.
  4. D
    All of the above.
Question 35Single Answer
In which situation is the flow of a fluid considered incompressible?
  1. A
    When the fluid is highly viscous.
  2. B
    When the fluid velocity is very low.
  3. C
    When the fluid density remains constant.
  4. D
    When the fluid is subjected to high pressures.
Question 36Single Answer
The force that resists the motion of a fluid relative to a surface is called
  1. A
    Frictional force.
  2. B
    Shear stress.
  3. C
    Surface tension.
  4. D
    Pressure gradient.
Question 37Single Answer
The law of continuity in fluid mechanics implies that
  1. A
    The pressure in a fluid increases with the velocity.
  2. B
    The velocity of a fluid increases as it moves through a constricted area.
  3. C
    The flow rate of a fluid decreases with increasing velocity.
  4. D
    The velocity of a fluid is constant throughout its path.
Question 38Single Answer
Which of the following is true about the potential energy of a fluid in motion?
  1. A
    It is proportional to the density and velocity of the fluid.
  2. B
    It is zero when the fluid is stationary.
  3. C
    It is affected by the gravitational potential of the fluid.
  4. D
    It is not related to the velocity of the fluid.
Question 39Single Answer
What is the primary cause of laminar flow?
  1. A
    Low fluid velocity
  2. B
    High fluid velocity
  3. C
    High viscosity
  4. D
    Both a) and c)
Question 40Single Answer
The concept of a "streamline" in fluid mechanics refers to
  1. A
    The path followed by a fluid particle
  2. B
    The average velocity of the fluid particles
  3. C
    The force applied by the fluid on a surface
  4. D
    The pressure at a given point in the fluid
Question 41Single Answer
In which type of flow does the velocity at every point remain constant with respect to time?
  1. A
    Steady flow
  2. B
    Unsteady flow
  3. C
    Laminar flow
  4. D
    Turbulent flow
Question 42Single Answer
The dimensionless number that determines the transition between laminar and turbulent flow is called
  1. A
    Reynolds number
  2. B
    Mach number
  3. C
    Froude number
  4. D
    Prandtl number
Question 43Single Answer
The Euler's equation for fluid motion is based on
  1. A
    Conservation of mass
  2. B
    Conservation of momentum
  3. C
    Conservation of energy
  4. D
    Both b) and c)
Question 44Single Answer
In the context of fluid mechanics, the term "viscosity" refers to
  1. A
    The density of a fluid
  2. B
    The internal friction that resists flow
  3. C
    The ability of a fluid to expand
  4. D
    The velocity gradient of a fluid
Question 45Single Answer
What is the effect of temperature on the viscosity of gases?
  1. A
    Viscosity decreases with an increase in temperature
  2. B
    Viscosity increases with an increase in temperature
  3. C
    Viscosity is unaffected by temperature
  4. D
    Viscosity is not measurable in gases
Question 46Single Answer
The principle of "conservation of mass" in fluid dynamics is mathematically expressed by
  1. A
    Bernoulli’s equation
  2. B
    The continuity equation
  3. C
    The Navier-Stokes equation
  4. D
    Euler's equation
Question 47Single Answer
Which of the following equations is used to analyze the flow of an incompressible, viscous fluid?
  1. A
    Bernoulli’s equation
  2. B
    The continuity equation
  3. C
    Navier-Stokes equation
  4. D
    Euler's equation
Question 48Single Answer
The concept of fluid rotation refers to
  1. A
    The uniform flow of a fluid
  2. B
    The flow of a fluid in a circular path
  3. C
    The spinning motion of fluid particles
  4. D
    The pressure difference between two points in a fluid
Question 49Single Answer
In a fluid, if the pressure and velocity of the fluid are known, the kinetic energy can be calculated using
  1. A
    Bernoulli's equation
  2. B
    The principle of conservation of mass
  3. C
    The continuity equation
  4. D
    Poiseuille’s equation
Question 50Single Answer
Dimensional analysis is primarily used to:
  1. A
    Determine the flow velocity in a pipe
  2. B
    Derive relationships between physical quantities
  3. C
    Calculate the pressure difference in a fluid system
  4. D
    Measure the temperature in a fluid
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