How digital input and
digital output 's are
working in dcs
How can i test procedure grounding for CAT-7 cable?
How can we test procedure CAT-7 Cable Electrically safe?
why we use cascade control and feed forward control in 3
element drum level control measurement of steam drum .what
is cascade and feed forward control system ?give example .
What should we do when Fisher Fieldvue DVC2000 give some out
put air at 4mA bt at that i need no out put
What is the cascade control system and where is use in
power plant give the detail with block diagram
Draw a great bridge circuit.
The company where I am working, their is rosemount 5400 series radar type level transmitter, it is meant to show level of filled tank, but along with the level it is showing temperature also, so my question is how a onon-contact type radar type level transmitter can show temperature even if it does not have any contact with the fluid?
I want measure the volumetric flow of gas in waste heat
recovery Boiler?Tell me how and which type of instruments
Plz mail me:firstname.lastname@example.org
Sam please post the answer .
Calibration procedure for Electro magnetic Flow meter
How to calibrate an pressure gauge with yantrika test bench?
Why mixer nd grinder Is example of constant torque load not variable
torque load ???
Describe the function of Accumulator into the Pump
What are the materials available to prepare individually
for competetive exams in Instrumentation field? Plz reply...
In control valve there are two type of valve seat we can use
metal to metal seat & soft seat.On this valve seat i have
1)I have never seen practically the internal assembly of
valve so my doubt is that basically weather the seat is soft
seat or metal its basic MOC is same as valve body(SS or CS)
only in soft seat we are using PTFE ring & place on valve
seat & in metal this PTFE ring is not threr am i correct???????
2)what are the common general rule for using metal to metal
seat & soft seat,means its depend on process parameter like
liquid,gas, steam & on valve leakage class.