# Mcq on pressure measurement in fluid mechanics

## Objective questions MCQ:-

1. What is the pressure in Pascals at the depth of below 1m of the water surface.
A. 98100 Pascal
B. 980 Pascal
C. 98 Pascal
D. 981 pascal

2. The property which offers resistance to the motion of one layer of fluid over other layers is called as…
A. Velocity
B. Viscosity
C  Relative velocity
D. None of the above

3. Conversion of 15 bar are in Pascals is...
A. 105Pascal
B .1.5 x 106 Pascal
C. 100 Pascal
D. 1000 Pascal

4. The bulk modulus is defined as….
A. Direct stress to strain
B. Direct stress to volumetric strain
C. Both a and b
D. None of the above

5. Compressibility is a reciprocal of…
A. Mass density
B. Viscosity
C. Bulk modulus
D. Relative density

6. The unit of viscosity is….
A. N/m3
B. Ns/m3
C. Ns/m2
D. N/m2

7. The pressure of non-moving fluid at given points is called as the...
a) Gauge Pressure
b) Atmospheric Pressure
c) Differential Pressure
d) Hydrostatic Pressure

8. The viscosity of liquid is increase with ….
A. Increase in temperature
B. Decrease in temperature
C. First increases then decreases
D. Constant with temperature

9. The viscosity of Gas is increase with ….
A. Increase in temperature
B. Decrease in temperature
C. First increases then decreases
D. Constant with temperature

10. The SI unit of dynamic viscosity is…
A. Ns/m2
B. Pa. S
C. Kg/mS
D. All of the above

11. Which of the following device is used to measure the fluid pressure
a) Hygrometer
b) Calorimeter
c) Manometer
d) Thermometer

12.The ratio of dynamic viscosity to mass density is called as….
A. Fluid viscosity
B. Kinematic viscosity
C. Kinematic velocity
D. None of the above

13.The SI unit of kinematic viscosity is…
A. M/s
B. M2/s2
C. M2/s
D. M2/s3

14. Manometer is used to measuring device as the pressure is measured by difference in the column heights of manometer.
A. True
B. False

15. Manometer measure which of the following liquids.
a) Heavy liquids
b) Medium Liquids
c) Light Liquids
d) Heavy and light liquids

16. At room temperature the dynamic viscosity of water is more than that of air.
A. True
B. False

17. Viscosity of water at 30°C is...
a) 80.1
b) 0 .801
c) 801
d) 0.081

18.Pilot static tube is a system uses an automatic control scheme to detect pressure.
A. True
B. False

19. At room temperature the kinematic viscosity of air is more than that of water.
A. True
B. False

20.The flow rate of liquid measured by which of the following method.
a) Coriolis method
c) Conveyor method
d) Ionization method

21.Milk is example of …
A. Newtonian fluid
B. Non Newtonian fluid
C. Dilatants fluid
D. Pseudo plastic fluid

22. the U tube manometer is used to measure both positive and negative pressures.
A. True
B. False

23. The piezometer is suited for measurement of high pressures of a fluid, air or gases.
A. True
B. False

Here we concluding, If you have any queries about the topic of Mcq on pressure measurement in fluid mechanics then feel free to comment below.

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