I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu
GNFC,
5 8420i am going to attend ongc exam this coming june for Graduate Engineer Trainee post if anybody knows the question pattern or have experience plz share it with me
ONGC,
3 9978what should be minimum length and size of impulse line for steam flow orifice and feed water orifice? asked by sanjay parihar
1 6034what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly
2 4755what is the difference between(Flame proof/Explosion proof)& Fire proof instruments.Both are same or different & if different in which way because the transmitter which have approved ATEX flame proof enclouser but it use PTPE O ring & PTFE Head Gasket,so its (fire safe/fire proof)????????
4 20668can anyone can let me know in Eurotron Micro cal 2+ calibrator in milli amps source mode we are not able to get 20 milli amps output it only produces 1.52 milli amps out, but display shows increase in milli amps , and err6 displays, let me know how to remove the err 6.
1749If mVolts can drop by resistance of wire as compare to mA, then how thermocouple mV reaches in CCR as accurate value?
7 8111Post New Instrumentation Questions
What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?
What are different types of cable?
model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com
Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,
what is the criteria to decide conductor size of a cable ?
In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.
why we are not using the turbine flow meter in the steam service?
What is intrinsically safe system?
Why mixer nd grinder Is example of constant torque load not variable torque load ???
How to Calibrate Vortex Flow transmitter in field
IN CONTROL VALVE SPECIFICATIONS GENERALLY TERM " DE- 200" ."DM -400"USED,, WHAT IS DE/ DM STANDS FOR?
Explain the burnout feature.
How to calibrate Magnetic flow Transmitter in Field
what is the difference between magnetic flow meter and mass flowmeter
how to measure draft pressure in transmitter pl. give its single line digram
