Related Questions

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 coloumn 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
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
Small pressure differences in liquids is measured using a/an
A U-tube manometer
B Inclined tube manometer
C Pitot tube
D None of these
Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is
A Water
B Carbon tetrachloride
C Paraffin
D Ethylene glycol
Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm.
A [

A.

B. > 4

B > 12.5
A simple U tube manometer connected to a pipe in which liquid is flowing with uniform speed will give which kind of pressure?
A Absolute Pressure
B Vacuum Pressure
C Gauge Pressure
D None of the mentioned
Maximum differential pressure in liquid manometer is __________ psi.
A 20
B 30
C 40
D 50
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
A manometer measures the __________ pressure.
A Atmospheric
B Absolute
C Gauge
D None of these
The latitudinal differences in pressure delineate a number of major pressure zones, which correspond with
A zones of climate
B zones of oceans
C zones of land
D zones of cyclonic depressions

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