what is the meaning of potential free contact.
difference between dry and wet contact?
- 6 Answers
- 92927 Views
- GAIL, I also Faced
- E-Mail Answers
Answer Posted / narenkumar1985
DRY CONTACT IS A POTENTIAL FREE CONTACT(0V), USED FOR
CLOSING THE CIRCUIT.
WET CONTACT IS POTENTIAL CONTACT(+24V).
| Is This Answer Correct ? | 11 Yes | 20 No |
Post New Answer View All Answers
who's take first position in process in the timing of new installation flow transmitter and control vavle. give the answer with logical trick.
Why mmwc unit is used?
What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?
How to fix back the valve actuator stem
how to calibrate load cell
What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?
What is the difference between mmwc and mmwg?
How we connect a instrument with ground, Give brief explanation with help of diagram?
how to calibrate steam control valve in steam turbine
Explain pH, Conductivity.
what are the different types of Protocols? & their applications.
2. What is ultrasonic flowmeter?
the 3 most common transmitter protocol being in refinery or qatar gas and aramco.
What is the difference between working pressure and calibration pressure of a control valve
Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.
