What is solenoid valve? Where it is used?

0 Answers  

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CAN YOU USE MOVING COIL METER FOR MEASURING A.C?

2 Answers   DVC,

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How to adjust the zero & span of a control valve from the posiitioner(MIL)?

1 Answers   Bhel, SMC,

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I have a orifice installed in plant which is design for 0~100 inH2O for 0~80MMSCFD, now due to process change the maximum flow is change to 120 MMSCFD so for this new process value what will be the DP across orifice.

1 Answers  

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what is air to open and air to close control valve and difference btwn this...and how to measure milli amp by this...and what is the role of positioner and i/p converter in this..plz help me

2 Answers   HCL, SOC,

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which processor is used in dcs.

0 Answers   ABB, Wave Distillery,

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I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann

0 Answers  

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What means zero and span in transmitter callibration.

8 Answers   Bajaj, Wartsila,

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in a power plant main steam flow is volumetric or mass flow? is it required compensation?

1 Answers   Wartsila,

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How would you choose differential range?

0 Answers  

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pls send me the 10 years technical question papers of NTPC AND BHEL

15 Answers   Bhel, NTPC, ONGC, UCE,

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Explain Split Range Control In Control Valve Briefly.

5 Answers  

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