Answer / mohan

RTD Does not required any aux:supply ie 24v,5v, only it delivers current variations in the loop due to variation in resistance.

Answer / kishor deshmukh

rtd is an passive transducer coz it need the external power
supply for the operation.

Explain what is meant by the term “FLASH POINT” of liquid?

2 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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can we copy the software from a transmitter using hht(hart 275) ?

0 Answers  

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Explain Split Range Control In Control Valve Briefly.

5 Answers  

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Vibration probe working principle?

1 Answers   Tata Steel Limited,

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i want to calibrate a transmitter in the range of -100 to 300 mmwc. How it is possible to measure -100 to 300?.

2 Answers   Hindalco,

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what the differant between Wet Leg /Dry Leg

2 Answers   Sepam Group,

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Gas equation

0 Answers   CCIE,

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Flame scanner

1 Answers  

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Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

0 Answers  

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Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram

0 Answers   Acire Systems,

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How many loops are there in the power plant? how many closed & open loop in the power plant ? Please give me the exact clarification?

2 Answers   Lanco, Reliance,

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