Top 150+ Solved Fluid Properties and Flow Characteristics MCQ Questions Answer
Q. The flow in which the particles of a fluid attain such velocities that varies from point to point inmagnitude and direction as well as from instant to instant, is known as
a. One dimensional flow
b. Uniform flow
c. Steady flow
d. Turbulent flow
Q. The specific weight of sea water is __________ that of pure water.
a. Same as
b. Less than
c. More than
d. None of these
Q. Which of the following instruments is used to measure flow on the application of Bernoulli'stheorem?
a. Venturimeter
b. Orifice plate
c. Nozzle
d. All of the above
Q. An ideal flow of any fluid must satisfy
a. Pascal law
b. Newton's law of viscosity
c. Boundary layer theory
d. Continuity equation
Q. The height of a water column equivalent to a pressure of 0.15 MPa is
a. 15.3 m
b. 25.3 m
c. 35.3 m
d. 45.3 m
Q. The ratio of specific weight of a liquid to the specific weight of pure water at a standardtemperature is called
a. Density of liquid
b. Specific gravity of liquid
c. Compressibility of liquid
d. Surface tension of liquid
Q. The total head of a liquid particle in motion is equal to
a. Pressure head + kinetic head + potential head
b. Pressure head - (kinetic head + potential head)
c. Potential head - (pressure head + kinetic head)
d. Kinetic head - (pressure head + potential head)
Q. When the Venturimeter is inclined, then for a given flow it will show __________ reading.
a. Same
b. More
c. Less
d. None of these
Q. An ideal flow of any fluid must fulfill the following
a. Newton's law of motion
b. Newton's law of viscosity
c. Pascal' law
d. Continuity equation
Q. Surface tension
a. Acts in the plane of the interface normal to any line in the surface
b. Is also known as capillarity
c. Is a function of the curvature of the interface
d. Decreases with fall in temperature
Q. Alcohol is used in manometers because
a. It has low vapour pressure
b. It is clearly visible
c. It has low surface tension
d. It can provide longer column due to low density
Q. If no resistance is encountered by displacement, such a substance is known as
a. Fluid
b. Water
c. Gas
d. Ideal fluid
Q. The kinematic viscosity is the
a. Ratio of absolute viscosity to the density of the liquid
b. Ratio of density of the liquid to the absolute viscosity
c. Product of absolute viscosity and density of the liquid
d. Product of absolute viscosity and mass of the liquid