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How does work A temperature valve or fv control valve in process plz brief me
Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?
What happen if I install my pressure transmitter below the elevation of pipe in natural gas service?
what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.
what is function of switch, and how is it work, explain with difination
Explain signal isolator
What is difference between differential pressure & delta pressure?
What is the principle of capacitance type level transmitter?
If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?
why fuse block is not used for AI signal?
State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.
any body please send me the old question papers of ongc test.
How does a single acting, spring return ball valve actually work? Does it require continuous air supply?
give some question relative instrument fitter?
