Answer Posted / ayaz
PTW stand for PERMIT TO WORK
1-cold permit
2- spark/hot permit
3- vehicle entry permit
| Is This Answer Correct ? | 8 Yes | 9 No |
Post New Answer View All Answers
NSV type probe stands for
how many type conductivity sensor ?
How is PH sensor works ?
all questions related to instrument technician in any offshore oil and gas company.
How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?
Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?
i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure
in differential pressure transmitter,min&max pressure range for hp&lp
diff between neutral ,ground,phase , earthing and shielding?
Define cryogenic?
how to calculate range of level transmitter?
Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .
I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.
Using your own examples solve a problem involving normal table. (experimental method and analysis)
What is the difference between ff transmitter and non ff transmitter