Top 150+ Solved Fluid Properties and Flow Characteristics MCQ Questions Answer
Q. General energy equation holds for
a. Steady flow
b. Turbulent flow
c. Laminar flow
d. Non-uniform flow
Q. With an increase in size of tube, the rise or depression of liquid in the tube due to surfacetension will
a. Decrease
b. Increase
c. Remain unchanged
d. Depend upon the characteristics of liquid
Q. Gauge pressure at a point is equal to the absolute pressure __________ the atmosphericpressure.
a. Plus
b. Minus
c. Divide
d. Multiply
Q. The dynamic viscosity of gases __________ with rise in temperature.
a. Remain unaffected
b. Increases
c. Decreases
d. None of these
Q. The pressure of liquid at throat in a Venturimeter is __________ than that at inlet.
a. Higher
b. Lower
c. Same
d. None of these
Q. The flow in which the velocity vector is identical in magnitude and direction at every point, forany given instant, is known as
a. One dimensional flow
b. Uniform flow
c. Steady flow
d. Turbulent flow
Q. The specific weight of water is 1000 kg/m3
a. At normal pressure of 760 mm
b. At 4°C temperature
c. At mean sea level
d. All the above
Q. If the depth of water in an open channel is greater than the critical depth, the flow is called
a. Critical flow
b. Turbulent flow
c. Tranquil flow
d. Torrential flow
Q. The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surfacebeing 0.5 m below the water level will be
a. 500 kg
b. 1000 kg
c. 1500 kg
d. 2000 kg
Q. Two dimensional flows occurs when
a. The direction and magnitude of the velocity at all points are identical
b. The velocity of successive fluid particles, at any point, is the same at successive periods of time
c. The magnitude and direction of the velocity do not change from point to point in the fluid
d. The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane
Q. The force per unit length is the unit of
a. Surface tension
b. Compressibility
c. Capillarity
d. Viscosity
Q. The Euler's equation for the motion of liquids is based upon the assumption that
a. The fluid is non - viscous, homogeneous and incompressible
b. The velocity of flow is uniform over the section
c. The flow is continuous, steady and along the stream line
d. All of the above
Q. Which of the following instrument can be used for measuring speed of a submarine moving indeep sea?
a. Venturimeter
b. Orifice plate
c. Hot wire anemometer
d. Pitot tube