Differential manometer measures the___________________?

Related Mcqs:

1. A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be _______________ cms?

   A. 17 B. 42 C. 84 D. 1.8...

2. Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water column in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm)?

   A. H B. 12.6 H C. 13.6 H D. 14.6 H...

3. Differential manometer measures the____________________?

   A. Atmospheric pressure B. Sub-atmospheric pressure C. Pressure difference between two points D. None of these...

4. Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ______________ pressure?

   A. Small differential B. Atmospheric C. Absolute D. Gage...

5. A Venturimeter measures the___________________?

   A. Velocity head B. Pressure C. Point velocity D. None of these...

6. A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is___________________?

   A. 5 B. 14.1 C. 56.22 D. 28.2...

7. Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is _____________ mm?

   A. 4 C. > 12.5 D. < 10...

8. Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer?

   A. U-tube water B. U-tube mercury C. Inclined tube mercury D. Inclined tube water...

9. Two liquids manometer is used for measuring small pressure differences in___________________?

   A. Liquids B. Gases C. Mixture of hydrocarbons D. None of these...

10. For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?

    A. (ρH – ρair)gH B. (ρH – ρL)gH C. (ρH – ρL) gH + (ρL – ρair) . g(L – H) D. (ρH – ρL) gL + (ρL – ρair)gH...