If Solenoidal valve works in manual mode but not in Auto
mode. What should be the problem?
Answer Posted / govarthan
whether card is not working sov not working in man mode also i think ter s an external interlock check it..
| Is This Answer Correct ? | 1 Yes | 8 No |
Post New Answer View All Answers
i need some objective type questions in instrumentation
we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.
How to calibrate radar type level transmitter for interface level? Total liquid(liq.1 and liq.2), level both the liq individually? For. Both the liquid levels how the signal will go from transmitter to dcs? How to calibrate. Single radar 9:26:55 AM for 2 different liquids in a tank?
what is 24vdc live and dry supply
what is compensation? temprature & pressure
Any body have know try work calculation ???
What is Positive Calibration and Negative Calibration?
3. Differentiate between ultrasonic flowmeter and radar type flow meter.
Definition of reverse and acting controllers:
what is function of SCADA , and how is it work, explain with difination
hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q
TECHNICAL/ARTITUDE
how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???
What are the uses of orifice plates?
why is not useing in boiler skin thermocople