Answer / rakesh kumar.n be

if u do the adjustment in the string at the actuator, or
compress the spring, u will get the opposing force to move the
stem in the control valve that is called bech set .it depents
on the control valve. mostly foe small valve we use 3-15 psi
and for medium we use 6-30 psi .thanks

Answer / rakesh kumar.n be

if u do the adjustment in the string at the actuator, or
compress the spring, u will get the opposing force to move the
stem in the control valve that is called bech set .it depents
on the control valve. mostly foe small valve we use 3-15 psi
and for medium we use 6-30 psi .thanks

Answer / ilayaraja

both r same.bench set is called inherent pressure range of the actuator.that is maximum and minimum pressure applied to the actuator.

what is coriolis principle for mass flowmeter?

5 Answers   ABB,

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DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

0 Answers  

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what is difference between wheatstone bridge, pirani gauge and strain gauge ??? explain its principle and working

4 Answers  

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What is the GK Value in Flowmeter?

0 Answers   IBPIL, Thermax,

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what is intrinscily safe system and where we use?

0 Answers   DEWA,

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In separator VFD frequently trip with OVER VOLTAGE Fault What is the reason?

4 Answers  

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How to fix back the valve actuator stem

0 Answers   SAFCO, Tarpon,

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A PLC is programmed to drive three motors A, B and C as follows : After running motor A for an hour, motor B should get ON and motor A should get OFF. And after running motor B for an hour, motor C should get ON and motor B should get OFF. And after running motor C for an hour, motor A should get ON and motor C should get OFF. (That is, a cyclic repetition with time period one hour) Now, the second condition is: If any motor gone faulty and is tripped, the consecutive motor should get ON and the faulty (tripped) motor should be eliminated from cyclic repetition. The remaining two motors should bear the cyclic repetition of one hour each. (For healthy motor take logic as high and for tripped motor take logic as low) Now, the third condition is: When motor A load(Amps) exceeds 60% of its rated load, motor B should get ON in parallel to motor A. And when both motors A & B are running in parallel, and if their load exceeds 60% of their rated load, motor C should also start in parallel to A & B. [Here the cyclic repetition is eliminated, until their loads become normal(40%)] [Take logic high(1) for load at 60% and logic low(0) for load at 40%] Now draw a flow chart or a ladder diagram to fulfill the above condition.

0 Answers   MNC,

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Explain why use mmwc unit?

0 Answers  

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wich is coming the first HAZOP OR SIL

0 Answers  

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what is hot loop check and cold loop check.

3 Answers   Bapco Bahrain Petroleum Company,

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Transducer Input 0 to 230 v ac Output-0 to 10vdc Receiver Input 0 to 10 vdc and Output 4 to 20 ma How?

1 Answers  

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