Top 150+ Solved Fluid Properties and Flow Characteristics MCQ Questions Answer
Q. A flow in which the viscosity of fluid is dominating over the inertia force is called
a. Steady flow
b. Unsteady flow
c. Laminar flow
d. Turbulent flow
Q. Bulk modulus of a fluid __________ as the pressure increases.
a. Remain same
b. Decreases
c. Increases
d. None of these
Q. The coefficient of viscosity may be determined by
a. Capillary tube method
b. Orifice type viscometer
c. Rotating cylinder method
d. All of these
Q. According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ tothe rate of shear strain.
a. Equal to
b. Directly proportional
c. Inversely proportional
d. None of these
Q. A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is
a. 4.5 kN/m3
b. 6 kN/m3
c. 7.5 kN/m3
d. 10 kN/m3
Q. The increase of temperature results in
a. Increase in viscosity of gas
b. No changes in viscosity of liquid
c. Decrease in viscosity of gas
d. Decrease in viscosity of liquid
Q. A manometer is used to measure
a. Low pressure
b. Moderate pressure
c. High pressure
d. Atmospheric pressure
Q. Which of the following meters is not associated with viscosity?
a. Red wood
b. Say bolt
c. Engler
d. Orsat
Q. The specific weight of water in S.I. units is taken as
a. 9.81 kN/m3
b. 9.81 × 103 N/m3
c. 9.81 × 10-6 N/mm3
d. Any one of these
Q. Manometer is used to measure
a. Pressure in pipes, channels etc.
b. Atmospheric pressure
c. Very low pressure
d. Difference of pressure between two points
Q. The flow in which conditions do not change with time at any point, is known as
a. One dimensional flow
b. Uniform flow
c. Steady flow
d. Turbulent flow
Q. A nozzle placed at the end of a water pipe line discharges water at a
a. Low pressure
b. High pressure
c. Low velocity
d. High velocity
Q. The pressure of fluid due to hammer blow is
a. Directly proportional to density of fluid
b. Inversely proportional to density of fluid
c. Directly proportional to (density)1/2 of fluid
d. Inversely proportional to (density)1/2 of fluid
Q. In order to measure the flow with a Venturimeter, it is installed in
a. Horizontal line
b. Inclined line with flow upwards
c. Inclined line with flow downwards
d. Any direction and in any location
Q. If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will befollowing cm of water
a. 51 cm
b. 50 cm
c. 52 cm
d. 52.2 cm