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How to convert mmWc(mili meter water colam) to tph(ton per hour)?
what is Best Among SINK Or SOURCE Type Design In Digital Signal, Either Iput Or Output? WHY?Can any one..
can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know
how to calculate control valve bonnet size?? or how to select its material?
What is super thermocoupal?
NSV type probe stands for
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
what is zero and span ?
What is ultrasonic flowmeter?
How oil line flow measured?eplain about instruments used and working principle?
where proximity sensor installed on tank in loading arm application
define feed forward control loop with example and drawing?
How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?
Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72
Programmable Logic control.
