Answer Posted / arul rajan

LEAD COMP

What is force balance principle?

1155

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There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?

1955

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plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

2166

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where cascade loop use ?

1697

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Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

2062

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Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .

2492

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Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

2280

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2. What is ultrasonic flowmeter?

5070

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OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10703

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Can any one send me IOCL instrumentation question papers.. i dont know the pattern of the questions and what to prepare can any one help me on this .. my email id is anwarnishil@gmail.com

2246

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Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

2271

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Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1512

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How many interlocks at turbine? Plz explain briefly

1949

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What are the types of control valves available

2093

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Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

1928

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