If the Barrier Fails during online then What will be the
control valve position in field or Positioner action in the
field.
Answer Posted / rajesh.kon
Control valve will turn its failure position either close or
open (FO/ FC)
Is This Answer Correct ? | 10 Yes | 0 No |
Post New Answer View All Answers
why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??
What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?
key phaser where is use and work
hye SAM acn u send your e mail id, so that i can solve my query through e mail?
how to calibrate load cell
how u calibrate sox nox co2 co in cemps?what is opacity n HPm?tell the standard parameters of cems?
what is the importance of CV in the control valves? how it is calculated?
how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?
what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?
please send data bank of quetions answers on analytical instrumentation.
What are the different types of thermistors used in industries? How to the operation of typical thermistor?
If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
What is instrumentation measurement?
what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?
explain key exchanges in all security modes WPA,WPA2,TLS?