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
Differential manometer is used to measure
A Pressure in pipes, channels etc.
B Atmospheric pressure
C Very low pressure
D Difference of pressure between two points
Maximum differential pressure in liquid manometer is __________ psi.
A 20
B 30
C 40
D 50
Differential manometer measures the
A Atmospheric pressure
B Sub-atmospheric pressure
C Pressure difference between two points
D None of these
A manometer is used to measure
A earthquake
B pressure
C temperature
D density
Manometer is used to measure
A Pressure in pipes, channels etc.
B Atmospheric pressure
C Very low pressure
D Difference of pressure between two points
In a simple on-off controller with differential gap, the magnitude of differential gap determines
A The level of accuracy
B The life of controller
C Both (a) and (b)
D Neither (a) nor (b)
Two liquids manometer is used for measuring small pressure differences in
A Liquids
B Gases
C Mixture of hydrocarbons
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

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