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 3832

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

Hindalco,

8 31682

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,

1570

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

2911

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 14700

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 2174

why thermocouple called thermocouple?

4 6155

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

4 5778

what difeerent between HART and BRAIN?

3 28884

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

2 6921

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

1 11364

what is the full formof HART

7 8811

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

1519

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

1 4307

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

CEPC,

1482


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Un-Answered Questions { Instrumentation }

how pressurize drum calibrated ?

1553


May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

1587


what is the input to be given in digital flow meter during the the calibration time?

1721


How to Calibrate Vortex Flow transmitter in field

745


how to measure oxygen which methods are using?

1457






How to Calibrate Coriolis Flow transmitter in field

732


WHAT IS TMXT IN TEMPERATURE FOUNDATION FIELDBUS.

1847


key exchanges in wpa,wpa2,tls

1480


What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

1474


When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

1378


what is droop in governer ,type of droop ,how it work

1744


what is instrument philosophy

1719


Coal mill Instruments Equipments for cement plant And process diagram ?

2402


What are the types of control valves available

1514


can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

1923