Identify the electrical variable that is either directly or
inferentially used by various instruments to determine the
value of a measured variable.
Answer Posted / rajkumar
4-20 ma
| Is This Answer Correct ? | 11 Yes | 0 No |
Post New Answer View All Answers
Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...
-/5A. What is the meaning and limitations of this in energy meter constant. It is a 3 phase LT Energy Meter. If this Energy Meter is connected through a CT of ratio 200/5 Amps, then what is the multiplying constant and how its will be calculated.
Give Detail information about plc,dcs,and scada system?
how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.
If relative y axis vibration sensor is by passed, and relative x axis and absolute sensor is left working. how much monitoring i would have risked?
In turbine what does term CDP, NI, NH, HSSOC means.
What is the purpose of LO Overhead tank in turbines.
What are the application of bernoulli’s theorem?
what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
Explain why plc require in analog input 4-20amp & 0-10 volt?
what is scale factor of proximitor & unit of the vibration.
Whatis the reset ofset and control system in instrumentation
how can leve transmetter calibate in feild .and also put cv and flow plz .....
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
Galvanizing.