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Instrumentation Interview Questions
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Dear friends, I have a question: We work on a project which has some boilers to provide steam for desalination unit. The boiler area is safe and the only hazard source is the fuel lines of boilers. I want to know according to NFPA standard which type of instrument should be selected on the fuel line: Eex Type or Non-Eex type? Thanks in advance

2 3105

how can we calibrate the differential pressure transmitter by using HART communicator

Hindalco,

8 29106

we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

TechNova,

1085

What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

2433

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?

L&T,

2 13478

How to calibrate DP tramitter in flow measurement application? consider my range of flow is 0 to 2000 kg/hr ? please give calculation of , How much pressure applied on low pressure side and high pressure side please give detail of calculation .... It so important for me please reply as soon as possible

1 1519

why thermocouple called thermocouple?

4 4911

when we calibrate the DP transmitter at that time which matrial we used in pressure pump?

4 4513

what difeerent between HART and BRAIN?

3 25352

Is that Speed Probe and Vibration Probe sensors are same,if yes what is the diff b/w them?

2 6066

what are the pinciples & units of flow, level, temperature, pressure, quality.

1 9923

what is the full formof HART

7 6703

why we are using digital signals for I/O & how to measure this signals is getting or not ?

1082

WHAT IS SMART SENSOR AND DIFFERENT B/W SMART SENSOR AND SENSOR??? PLS GIVE ME ANSWER AS SOON AS POSSIBLE.....

1 3683

give eg of how I/P is used in control loops

CEPC,

1055


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Un-Answered Questions { Instrumentation }

Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

9697


Linear amplifier.

1052


Why is it necessary to use compensation leg to measure the liquid level in a closed or pressurized tank?

1418


TEMPERATURE VARIATION FOR FREQUENTLY.

1084


all types of liquid analyzer principle with drawing?

1096






How is PH sensor works ?

990


What is intrinsically safe system?

176


I wnat to practice more online type questions .so will you show them me to take a practice test?

472


why we are using drum level control valve air to close?

1139


How to erection of DCS Panel at site step by step

499


What is offset in a control system.

6503


send me HPCL paper

6283


What are the type of bonnets in the control valves?

961


What is the use of single seated valve?

165


any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

1546