Answer / nidhi

control valav has mainly three characteristic
1. linear
2. quick opening
3. Equal percentage

Answer / pragati sutar

control valve mainly has 2 characteristics- Install and
inherent. inherent char. further classified as 1.equal %
2.quick opening 3.linear charactaeristics

Answer / s. kanniyappan

1) linear
2) square root
3) quick opening
4) equal percentage
5) parabolic
6) hyperbolic

Answer / sam

The basic char of cv's are
1) Inherent char
2) Installed char

Under Inherent char
a) quick opening
b)Equal percentage
c)linear

Answer / faiyaz

1.Linear
2.Equal percentage
3.Quick opening
4.Square root
5.Hyperbolic

Answer / sukumar

control valve three types of cheracterstics

equal % means give 50% valve opening 35%
liner means give 50% valve opening 50%

quick opening means give 50% valve openig 65%

if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

1 Answers   MPL,

Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.

0 Answers   Honeywell, Tata Steel Limited,

How can a d.p. Transmitter be calibrated?

0 Answers  

Explain the working of rota meter.

0 Answers  

Why flow/pressure transmitter before control valve?

0 Answers   UPL,

What is the cascade control

0 Answers  

pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)

0 Answers  

when i installed Allen_bradley_RsLogix_500_Pro_V_7.0,after installation it gives the fatal error.it need activation file.from where and how i can find its activation file.

6 Answers  

whatis range of marcury filled tempereture gague

0 Answers   Dr Reddys,

How will you test a transistor with a multimeter?

0 Answers  

what is the relation between flow and pressure.for example relationship between level and pressure is p = phg like that i want ans for this question.and also how to calculate orifice sizing and flow transmitter. pls some one ans for this questions.

3 Answers   Orchid, SRF,

any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

0 Answers   IOCL,