Answer / tamanna

Differancial pressur means differanc between high pressure & low pressure
delta pressur means it is the pressure drop..

Answer / x

differential pressure is difference betwn pr at two diffrnt
points,
and delta pr means difference in pressure before and after
a fluid filter.

Answer / lalji gopalka

When you consider pressure drop across filter, strainer or piping, it's called"Delta P".when u put restrictions across pipe & it is giving U DP.

What is the reverse action and direct action

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Someone please do mail me some instrumentation questions for Hindustan Petroleum test to avinalexander@gmail.com .Really would be gateful if someone could help me

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