Answer / s

Based on the presence of flammable material
like hydrogen,acytelene,benzene.

If one or more flammable materials present ,it is hazardous
area.otherwise ,it is non-hazardous area.

Answer / nvr

Hazardous Area Classified based on following specified
criteria.

1) Characteristics of material ( Like Toxic, flammable).
2) presence of Material surrounding the atm.
3) Risk Rating.

How d.p. Transmitter can be applied to close tank?

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why does a transmitter o/o signal starts from 3-15psi or 4- 20mA?

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If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc signal. The transmitter is placed across an orifice plate which is sized to create 2500 mmH2o differential at 5000m3/Hr a) what is the flow rate when the transmitter signal is 13.0mA DC? b) what is the signal output of the transmitter when flow rate is 2500 m3/Hr ?

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I will attend an interview with GasGas company for a position of Instrument Technician ( Offshore )in next month can anyone tell me what questions they will ask. Thanks in advance.

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what do u mean by compensation n pid tunning?in pid tunning what you tunned?is it possible 2 tune p i d

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If hart communicator provide 4-20ma source to any transmitter during the callibration?

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what do you mean by CJC (cold junction compensation).?

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WHAT DO YOU MEAN BY LOOP IN C.

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