pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers   Bhel, NTPC, ONGC, UCE,

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What is transmitter

2 Answers   GNFC, QNFS,

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what is the use of glycol filling in seal pot (or) condensate pot in instrument impluse line?

7 Answers  

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which type signal come control valve

6 Answers  

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wt kind of business we can do by usig PLC?

2 Answers   Dabur,

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Could anybody tell how much amps will a single input to plc will consume?

1 Answers  

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I want to install analog type, flange mounted gas flow meter (line size - 2"), for CNG flow measurement.Kindly give some details of flowmeter or suppler name, available in India.

1 Answers  

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we callculat main steam flow by D.P. but where is H.P. & L.P. IN Orfics?

3 Answers  

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Why three wire is using with a RTD?

3 Answers   ABB, MAHINDRA,

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what is skin type thermocouple? how it is installed? what is the difference b/w thermocouple & skin type thermocouple? what is gounded & non-grounded thermocoplle? what is the diff b/w these two?

2 Answers   KazStroy Engineering, PSU,

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when an eddy current probe is installed inside of a turbine or compressor in case of probe problem same as:crash of head of probe,changing the scale factor because of low measuring gap(physical gap is ok(example=1.14mm)but voltage is reduced(example=-6 volts),is any way to check the probe,when the ohm of probe is ok.thank you,(Karim Tavakoli)

1 Answers  

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how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

0 Answers  

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