Q)What is pressure ? or Define pressure ?
A)Pressure is the amount of force applied over a defined area.
Q)The factors that will influence hydro static pressure ?
A)Level of the liquid
Density of the liquid
Pressure on the surface of the liquid (vapor space)
Q) Density of liquid
A)Density is the mass of a particular substance per unit of
Q) Definition of Specific Gravity
A)Specific gravity is the ratio of the density of a particular liquid
to the density of water at a reference temperature.
Q)Reason for measuring pressure ?
Inferred measurement of other variables
Q)Three measurable pressure
A)Head (hydrostatic) pressure
Static (line) pressure
Q)Pressure-measurement devices can be categorised according to
the reference pressure
Q) Different type liquid column pressure gauges
Q)What are the basic parts of Mechanical pressure gauges ?
Mechanical dial or indicator
Q)Most commonly used pressure sensing device?
Bellows and capsules
Q)What is pneumatic controller ?
A) A pneumatic controller is a device that, in response to an input pressure, sends a pneumatic output to a relay
Q)What is pneumatic transmitter ?
A)A pneumatic transmitter is a device that, in response to input pressure, outputs a proportionate, standardized pneumatic signal.