What is the difference between dry contact and wet contact?

2 Answers  

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Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

0 Answers   CCIE,

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what is sequence table in DCS . make a logic in sequence table for tripping of ID fan in Boiler(in YOKOGAWA CS 3000 DCS).

1 Answers   Yokogawa,

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please send me the inteview questions in IOCL

0 Answers   IOCL,

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Hi, I am Newely Joined in Construction company instrument engineer? Any one can Plz tell me How can I advanced preparation for Releated Engineering and construction Documents?

0 Answers  

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Why ues 250 ohms Resistor during hart type instruments calibration with hart protocol in details ?

5 Answers  

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what is diffrance between FF & SMART, explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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TCD Principle

1 Answers  

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our kks tagging is crossing more than 12 character please suggest how to take tags in the DCS

0 Answers  

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what is skin type thermocouple? how it is installed? what is the difference b/w thermocouple & skin type thermocouple? what is gounded & non-grounded thermocoplle? what is the diff b/w these two?

2 Answers   KazStroy Engineering, PSU,

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Rtd sensor how to calibrate

5 Answers   Sepam Group,

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Can we measure pressure using differential pressure transmitter? If yes then how?

5 Answers   Reliance,

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