In oil & gas industries and petrochemical industries, there
are classification of zones like zone 0, zone 1, zone 2. Is
there any differences in voltages or power supply supplied
for the process instruments, control instruments depending
on the zones
Answer / wael mohamed
yes,according to the frequencies of gas in different areas
| Is This Answer Correct ? | 2 Yes | 3 No |
what is thermo coupler and how it works
Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.
what are the pinciples & units of flow, level, temperature, pressure, quality.
How to get Cv of control valve having following parameter ,i.e inlet pressure 4.5kg/cm2 outlet pressure 1 kg/cm2 specific gravity 0.808
can you send remote seal interface level transmitter calculation steps for oil water saperator.
0 Answers Sasol Firm, Thermax,
Can I calibrate the Electromagnetic Flow Meter on line and How.
How 2 calibrate level tank having large height..?
wHAT IS BURST MODE IN TRANSMITTER?
How to fix back the valve actuator stem
What is ultrasonic flowmeter?
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
what is difference b/w tube and pipe ?
6 Answers BSL, Descon, Kirloskar,
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)