Could you explain to me the enraf (servo gauge) mechanism. How it works ? and how it is working on archimedes theory while it's not immersed into the surface? and how can we calibrate it ? Thanx

1 Answers  

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Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

1 Answers   Yokogawa,

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can any one help me to get bel probational engineers sample question papers. I have applied for it.

0 Answers  

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What is loop checking ?

10 Answers   Kharafi National, Petrofac, Samsung,

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if conical type tank in top LEFT side solid material coming but LT MOUNTED IN TOP OF LEFT SIDE, how to measure ultrasonic level transmitter ?

1 Answers   Cairn,

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difference between DCS @ SCADA system? and how can use in field

5 Answers   Marafiq,

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Thermocouple is a transducer but rtd is not transducer why? Both taking heat as a input and giving mv

7 Answers  

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?

1 Answers   EHC,

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What is close loop ?

1 Answers   College School Exams Tests, GMR,

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IF ASK IN THE INTENVIEW WHAT TYPE OF BMS YOU USE?

1 Answers  

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Control valve question what is the meaning of cauge.?what is the use of cauge?

1 Answers  

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