Answer / carl_ellis

1) A light dimmer switch

2) the throttle on an automobile

Explain types of valves?

1 Answers  

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difference between null and deflecting instrument.

5 Answers   ONGC,

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what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

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I was working on calibrating turbidity transmitters endress+hauser at effluent polishing plant.We calibrated using NTU buffers.What happened is that when we immersed the sensor, everytime we raise and lower the sensor gradually, the reading will vary.my question is that is there any specifications on what is the required distance from the bottom of the container with buffer to the face of the sensor?Is it ok to install the sensor in a medium which has turbulence specially if bubbles are present?

1 Answers  

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What is the difference between HMI and SCADA and MMI

4 Answers  

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Explain level troll principle & interface level measurement.

1 Answers   ADMA OPCO,

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How flow can be measured with dp?

1 Answers  

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1.how can calibration temperature transmitter and flow transmitter? 2.

0 Answers   Gulf Jobs,

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i want the equation of this question. Tranmitter range is 120 mmwc and dcs flow range is 1700 nm3/hr. if i want to change dcs range from 1700 to 2400 nm3/hr then how much dp i have to enter in transmitter

2 Answers   GMR,

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how feedback signal frm rtd can be use for 2 purpose, i.e. 1for local monitoring and 2nd for controlling in dcs.so how many wired RTD can be used

1 Answers  

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HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

1 Answers   GSM, IOCL,

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What is the logic a Transmitter control a Control Valve? How the signal going to the Control valve? What are systems/Panels/cables/signal used to control valve from Transmitter?

3 Answers  

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