Answer Posted / nitesh mhatre

1 kg/cm2=10000 mmwc

how is work pressure switch& level switch?what is the principle of this?

2634

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Exothermic reaction./ endothermic reaction

2032

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Can anyone send most commonley asked Instrumentation questions and answers in cement industry please?

1984

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What is the GK Value in Flowmeter?

3695

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any body please send me the old question papers of ongc test.

2094

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Calibration procedure for Electro magnetic Flow meter

4474

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What is profibus?

1116

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What is shielding effect?

2237

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What is ultrasonic flowmeter?

1102

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how to turbine speed measurement?

1575

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What is 1:1 redundancy ?

2376

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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

4031

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Please can anybody help for control valve sizing step by step procedure?

2118

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What is wet leg condition and why is it used?

2027

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What is the difference between working pressure and calibration pressure of a control valve

3045

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