# MANOMETERS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

## MANOMETER MULTIPLE CHOICE

### Bourdon tube gauge.

Fig. U-Tube Differential Manometer

hA-hB = h(ρ2 – ρ1)

Fig. Manometers for Gauge and Vacuum Pressures

pg = g(ρ2h2 – ρ1h1)

pVac = -g(ρ1h1 + ρ2h2)

### Q13. Inclined single column manometer is useful for which of the pressure

#### ANS: (a)

14. Pressure of a fluid is measured by a

(i) Barometer

(ii) Thermometer

(iii) Manometer

(iv) None

ANS: (c)

15. Mercury manometers are used for measuring

(i) High pressure

(ii) Low pressure

(iii) High & low pressures

(iv) None

ANS: (b)

15. The density and vapor pressure of the fluid in a manometer is

(i) High density & high vapor pressure

(ii) Low density and low vapor pressure

(iii) Low density & high vapor pressure

(iv) None

ANS: (d)

16. The density and vapor pressure of the fluid in a manometer is

(i) High density & high vapor pressure

(ii) Low density and low vapor pressure

(iii) High density & low vapor pressure

(iv) None

ANS: (c)

17. A manometer measuring pressure uses

(i)Surface area of the column of liquid

(ii) Weight of the column of liquid

(iii) Both surface area and weight of the column of liquid

(iv) None

ANS: (c)

18. Most gauges measure pressure relative to atmospheric pressure as

(i) 1

(ii) 0

(iii) 1 and 0

(iv) None

ANS: (ii)

19. Absolute pressure has zero reference against

(i) Perfect vacuum

(ii) Atmospheric pressure

(iii) Both perfect vacuum and atmospheric pressure

(iv) none

ANS: (a)

20. Blood pressure is measured in

(i) mm of water

(ii) mm of mercury

(iii) cm of water

(iv) None

ANS: (ii)

21. Central venous pressure and lung pressure is measured in

(i) mm of water

(ii) mm of mercury

(iii) cm of water

(iv) None

ANS: (iii)

22.  Natural gas line pressure are measured in

(i) mm of water

(ii) mm of mercury

(iii) cm of water

(iv) None

ANS: (iv)

23.  Natural gas line pressure are measured in

(i) Inches of water

(ii) Inches of mercury

(iii) cm of water

(iv) None

ANS: (i)