Answer / amit kumar

by using optical pyrometer

Answer / nk

to rtd(resistance temperature detecter)

whats the working of principal thermocouple

6 Answers  

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Valve positioner and actuators in detail.

0 Answers   MIEPL,

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i have calibrate rosemount make level transmitter , wht can i do ? my tank capacity is 30,000 liter

9 Answers   Equate,

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why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

6 Answers   OGDCL,

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what is the zero elevation and zero supresstion in level measurement, how can use it?

2 Answers   GAIL,

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why cant we use mV instead of mA?

12 Answers   ABB, Power Grid, Qatar Gas, USW, Visa Steel,

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Can DP transmitter with orifice plate works on Beta ratio 0f 0.3 and differential pressure of 100 MMWC in liquid service application?

1 Answers  

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components of control circuit belongs to control valve

0 Answers   KOC,

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In dissolution apparatus how did you calibrate the distance from end of paddle to bottom of the bowl?

1 Answers   Reddy Labs,

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Which standard of hazardous area classification used in India?

1 Answers   Orchid,

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why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

0 Answers   Visa Steel,

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What is differnece between leveltroll and interface leveltrol?

2 Answers  

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