Answer / md. jawed akhtar

Mass flowmeters utilize the priciple of angular momentum.This
system is rarely use in industrial application because of
their high cost and relative ease and convenience of
calculation by other metod.

Magnetic flowmeters utilize the principle of Faraday's law of
electromagnetic induction.In this case only only conducting
liquid flow can be measured.

Vortex flowmeters are three types 1) Swimmer, 2)Vortex
shedding meter 3) Fluidic meter.

Specific gravity.

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Dear friends, I have a question: We work on a project which has some boilers to provide steam for desalination unit. The boiler area is safe and the only hazard source is the fuel lines of boilers. I want to know according to NFPA standard which type of instrument should be selected on the fuel line: Eex Type or Non-Eex type? Thanks in advance

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