Name different parts of a pressure gauge.

0 Answers  

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In oil & gas industries and petrochemical industries, there are classification of zones like zone 0, zone 1, zone 2. Is there any differences in voltages or power supply supplied for the process instruments, control instruments depending on the zones

1 Answers  

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what is the difference b/w normal thermocouple and skin type thermocouple?

1 Answers   Heisco,

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Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?

3 Answers   IOCL,

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why we use 24v dc in instrument rahter than 230vac????

4 Answers  

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If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

3 Answers  

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define COMPENSATION??

4 Answers   Bosch,

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how to calculate MMWC values in to Tonns(MMWC values showing in DP transmitter and Tonns value showing in Totalizer). please tell me details?

2 Answers   Chemin C I, MSP,

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What is meant by cold float of compressor shaft.

1 Answers   Sabic,

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How can we check Zero of DP type Level Transmitter onside?

7 Answers   Birla,

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generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

2 Answers  

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What is the maximum distance limit of 4-20mA and 0-10V DC standard signal transmission ?

3 Answers   BARC, ME,

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