in the boiler in the main steam line and its bypass line and
the startup vent vales are only motorised valves why cant we
use other types of valves such as pneumatic.
Answer Posted / rajender
For Very high Pressure Applications motorised valves are
used.
| Is This Answer Correct ? | 1 Yes | 2 No |
Post New Answer View All Answers
Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?
what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?
if my flow is 20000 m3/h than which range of DPT i have to use????
how to calibrate and troubleshooting of leveltroll?
Explain why plc require in analog input 4-20amp & 0-10 volt?
when a magnet is heated?
Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in
what are the steps I have to deal with?
WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?
Calibration procedure for Electro magnetic Flow meter
What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)
Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75
The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is:
WARNING: Could not connect to equalize destination. (7001)
Retrying. Number of retries = 0/1
ERROR: LdXopsLoadMain: connect error 10060
ERROR: Processing terminated due to connection error. (7002)
Equalization end with errors. STN0149
---- ERROR = 2 WARNING = 1 ----
Background:
>Updated the ExaOPC software on the STN from 3.60 to 3.75
>STN operating system is Windows Server 2008 R2
>HIS operating system is Windows Server 2016 Stanard
Solutions attempted include:
>Ensuring all IP addresses are correct and all networked devices can be pinged.
>The ability to ping a device using its host name from another device (
Explain PID, ON/OFF, Controls
what is the electrical operation procedure for switching on 27.6MVA electric furnace.
need to calculate flow rate with the help of dp range and orifice bore dia and size. range is 0 to 400 inwc and orifice size is 12 inch 150 # rf and bore dia is 7.180 inch. need to calculation for flow rate