how many type of plug are used in pneumatic control valve,name
them.

Answer Posted / deepan

square root ,quick opening,equal percentage,linear

Is This Answer Correct ?    5 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is shielding effect?

1759


What is the meaning of wet leg

675


full process of gas turbin?

1556


how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

1678


How do bending tubing provide better measurement than using tubing fittings such as elbows?

1484






Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

1836


I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

1760


please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

1237


Can any one send me IOCL instrumentation question papers.. i dont know the pattern of the questions and what to prepare can any one help me on this .. my email id is anwarnishil@gmail.com

1716


What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller

1876


ORP sensor working principle?

1527


Please send me the sample question of Instrumentation of hpcl/iocl exam. my mail id hihi_kiholo@rediffmail.com

2698


give some question relative instrument fitter?

5793


how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

2015


we are having yokogawa centum cs3000 dcs in our power plant. i need some of the operator guides NOT to appear in HIS0163 AND HIS 0162 but it shoul appear in HIS0164 HOW TO DO IT?

2113