How to calibrate the control valve.

1 Answers  

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is fan is a transducer or inverse transducer?

5 Answers  

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What is the relationship between the universal gravitational constant (G) and the acceleration due to gravity (g)?

3 Answers   APPSC,

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Where should we terminate the shield and why?

3 Answers   OPaL,

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I am using Capacitive type level transmitter for measuring oil level in a closed tank (lub oil tank). The txs range is 1500mm, and they do hunt regularly (for about 45mm), can anybody tell what could be the reason??? or any other type level tx that could be used to avoid this?

1 Answers  

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Someone please do mail me some instrumentation questions for Hindustan Petroleum test to avinalexander@gmail.com .Really would be gateful if someone could help me

3 Answers   HPCL, Immersion, IOCL,

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What is the live zero and dead zero

2 Answers   Samsung,

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What are the problems faced while testing HART instruments?

1 Answers   SSC,

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what is the difference between hub and switch?

6 Answers  

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WE Know that different supply voltage of solenoid valve like 24,110,220 etc..how we check the solenoid supply is 24v or 220 NOTE: No specification at device.

2 Answers   OMV,

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Why the tapping connections are taking above for gas service and below for liquid service?

2 Answers   ADCO,

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protection relay watchdog contact operation?

0 Answers   L&T,

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