Fluid Pressure Sensors MCQ’s

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This set of Mechatronics Multiple Choice Questions & Answers (MCQs) focuses on “Fluid Pressure Sensors”.

1. What is the SI unit of pressure?
a) Pascal
b) Barye
c) Atm
d) Newton

2. 1 atm = ____ pascal or ______bar.
a) 101325, 101.325
b) 101325, 9.81
c) 1.01325, 101325
d) 101325, 1.01325

3. How is pressure (p) defined in terms of force(F) and area(A)?
a) p = F*A
b) p = F+A
c) p = F/A
d) p = F-A

4. Whose pressure can be determined by the bourdon tube pressure gauge?
a) Solids
b) Fluids
c) Only Gas
d) Only liquids

5. Gauge pressure is the summation of absolute pressure and atmospheric pressure.
a) True
b) False

6. Which fluid is commonly used in U-tube manometers as a reference, in determining the pressure of the liquid?
a) Sodium
b) Argon
c) Water
d) Mercury

7. Absolute pressure is the sum of over pressure and atmospheric pressure.
a) True
b) False

8. Which is not equal to 1 atmospheric pressure?
a) 101325 Pascal
b) 1.01325 Bar
c) 101.325 torr
d) 760 torr

9. What is the pressure experienced by a wall, if a brick is thrown with a force 10 Newton and cross-section area of contact is 2 square metres?
a) 5 Pascal
b) 5 Atm
c) 5 barye
d) 1 Atm

10. What is the pressure experienced by a pressure sensor, if a rigid body is thrown normally with a force 5 Newton and cross-section area of contact is 1 square metre?
a) 5 Pascal
b) 5 Atm
c) 5 Barye
d) 1 Atm

11. What is the gauge pressure experienced by a pressure sensor, if the atmospheric pressure of a fluid is 1 atm, absolute pressure is 6 atm and differential pressure is 2 atm?
a) 5 pascal
b) 5 Atm
c) 5 barye
d) 1 Atm

12. Which is an example of pressure sensor?
a) MSP430G2ET
b) CMCP793V-500
c) SLB700A/06VA
d) BMP180

13. What is the absolute pressure experienced by a pressure sensor, if the atmospheric pressure of a fluid is 2 atm, gauge pressure is 5 atm and differential pressure is 3 atm?
a) 5 pascal
b) 5 Atm
c) 7 barye
d) 7 Atm

14. What is the cross-section area of contact, if a brick is thrown with a force 10 Newton and the pressure experienced by a wall is 5 Pascal?
a) 2m2
b) 5m2
c) 4m2
d) 3m2

15. What is the pressure experienced by a pressure sensor, if a rigid body is thrown normally with a force 6 Newton and cross-section area of contact is 2 square metres?
a) 3 Pascal
b) 3 Atm
c) 3 Barye
d) 12 Atm

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