In control valves (like feed water control valve) we will give 3 kg pressure and how it controls 110 kg of water pressure?
Answers were Sorted based on User's Feedback
Answer / narendra mishra
The 110 kg pressure is the line pressure. But the pressure across the seat is not that much.so u need to apply less pressure
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / sr
i guess this is a simple question ... i will ask something different ... i/p output is 3-15 psi ... and our bench set or spring range is higher many times like 6-30 psi ... how 15 psi pressure will give enuf back pressure to give 30 psi ???
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / gautam
As we know the pressure is equel to the ratio of the force to area,in control valve having diaphrams where it convert pressure to displacement..diaphrams size in air chamber should measure and pressure is given so we can calculate the force..
| Is This Answer Correct ? | 1 Yes | 1 No |
Hi Frnds , If Suppose 1 Pair cable of 1.5 sq mm is used for Transmitter and instead of 1.5 sq mm if i used 0.5 sq mm cable will the resistance change will occur and does it affect our transmitter reading. plz mail ur answer to ntnkamble@gmail.com plz immediately mail ur reply
Explain the burnout feature.
What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?
6 Answers Essar, Gasco, Siemens,
i saw in my company drawing seat cable size as mensioned like this 12p*15 sqmm,12t*1.5sqmm, 9c*1.5sqmm. now what my que is what is mean by p , t , c.
Can anyone send most commonly asked interview question in Oil & Gas industry
Explain " FAIL SAFE " feature in temp. measurement.
1 Answers Bapco Bahrain Petroleum Company,
What kind of feedback is used in DP cells.
Why Boiler Drum level transmitter (TX) or level transmitter rang always put -600 to 0 other -900 to 0. Mines range why useā¦.?
what is the difference b/w magnetic flow meter&mass flow meter? which one is best?
why we are using MARSHALLING PANEL? what is the role?
principle of rtd
what is the different between deflection type measurement and null type measurement in RTD?
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)