Interested to Buy Any Domain ? << Click Here >> for more details...
why we take 4 to 20 mA as out put of every instrument like
pressure transmittre ?why we cant take 0 to 20mA as output?
- 6 Answers
- 11004 Views
- OGDCL, I also Faced
- E-Mail Answers
Answer Posted / caarpus
ABOVE MENTION IS CORRECT ANSWER.AT SAME TIME NORMALLY WIRE
CAN GIVE 1 OR 2 mA WHEN CONNECT TO ANY SIGNALLING
CIRCUIT.WITHOUT ANY INPUT THEY WILL PRODUCE THE MILL VOLT IS
WRONG ONE.
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.
send me last 5 years questions asked in rrb chennai, for section engineer
how to turbine speed measurement?
In turbine what does term CDP, NH, HSSOC means.
Where is wet leg is used?
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer
where proximity sensor installed on tank in loading arm application
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?
what is the process to make control schematic ?
What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.
What is the main difference between Cavitation and Flashing?
what is stroke check for field instument transmetter's & AOV's
What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?
Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?
