Answer Posted / rabindra ojha
pneumatic control valve operated by air.to operate a cotrol
control valve requared accesories are (air, i/p,
positioner,regulator).i/p inlet air is 1.5 kg/sq.cm and
signal is 4 to 20 ma.i/p output is 0.2 to 1 kg/sq.cm.when
command is given corresponding output of i/p is gone to
positioner.its output go to control valve to operate the
control valve. positioner works on flaper nozzle principle.
| Is This Answer Correct ? | 24 Yes | 1 No |
Post New Answer View All Answers
what is stroke check for field instument transmetter's & AOV's
Boolean algebra
what is the usage of QDV & VOLUME BOOSTER
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?
you are on site,the plant trips,you are approached by operations,what do you do?
how many types of preheaters are in cement industry & what r they can any body explain?
What is limitation of the ht.of the displacer of a level trol?
what is the procedure of O2 sensor(ABB) calibration?
what is KV and XV valve
what is piezoelectric transducer?give an example in power plant n state its principle?
what is easiest way to read STL language in PLC?
pls give me presant awerness quistion and answer in my emailid.
PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS
Dear Friends, we are planning to design Power distribution and Fiber optic in the same cabinet.Like Front side Fiber optic and Rear side Power distribution.Is it any possibility of problem occurs like interference etc? Your answer is highly appreciate.
What is stripper & spilitter ? Diffrence in this.?
