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Instrumentation Interview Questions
Questions Answers Views Company eMail

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 4916

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

Hindalco,

8 35156

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,

2125

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

3433

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 16309

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 2936

why thermocouple called thermocouple?

4 7758

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

4 7499

what difeerent between HART and BRAIN?

3 31092

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

2 7918

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

1 12216

what is the full formof HART

7 11295

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

2043

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

1 5178

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

CEPC,

2004


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

1- Explain about HPM 2- What is the FSC and explain the configuration of FSC 3- explain the complete loop of vibration, how it works (field to control room) 4- What is the use of proxymitter? 5- During job your partner effected with H2S then what you have to do. 6- what type of gland packing uses when valve glind is leaking.

2855


you are on site,the plant trips,you are approached by operations,what do you do?

2295


what is metal of piston ring

1976


Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

1880


what is the responsibility of an instrument commissioning supervisor

3210


which type of filter gives the constant phase characteristics?

1964


What is voltage regulator?

1160


centrifugal compressor interlock? Tell me the parameter at which compressor will trip

3236


what are procedure of sox-nox calibration

3039


how to rectify the poor signal strength in utrasonic digtial flow meter ,model:ge digital xce868i

1332


What are the different types of thermistors used in industries? How to the operation of typical thermistor?

2031


principle of automatic votage regulator

2190


Difference between ultra sonic flow meter

2037


Why humidity limit is 30 to 55 % for raw material storage?

4354


Why not come out analog output in ABB EL3020 when display show correct value

1940