If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2100

what is the difference between -24 : +24 & 0:24 and where it use?

2076

Questions on flow meters,few questions on HART protocol,

1995

send me last 5 years questions asked in rrb chennai, for section engineer

2103

why orfice is not used for main steam flow calculation

2130

If we increase only P what will be controller action ?

2469

steps for installing orifice plate?

1848

I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

2058

please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

2247

Why trim span ? How?

1600

How flow can be measured with dp?

1138

Which language of programing is popular? how can i learn it ?

2154

please tel me the calibration of pneumatic controler.

2151

What is the difference between ff transmitter and non ff transmitter

2445

Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?

1933