How to consider the flow directions for control valve (Globe)
Is the there any easy understanding in order to select the
flow directions?
- 3 Answers
- 5817 Views
- I also Faced
- E-Mail Answers
Answer Posted / visakh
u can see a arrow on valve body
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
what is The specifications for oriface instalation
How to calibrate Field bus transmitter? procedure ?
Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.
How to calibrate the flow transmitter
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
What is the use of single seated valve?
wich is coming the first HAZOP OR SIL
1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling
List three types Level Gauges with their working principles
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.
What is the formula of vabration sesore. i mean how to covert mils to volt plz share if any body knows very argent : my mai is merajalam143545@yahoo.com
Describe a time when you anticipated potential problems and developed preventive measures.
Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell
please send the sample qustion paper for iocl written test ..
how to measure draft pressure in transmitter pl. give its single line digram
