What is trim material . Why it is known as trim.

1 Answers   L&T, LNG,

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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How a oxygen sensor & analyzer work at boiler or furnace, whats the principle & science is beyond this,How O2 sensor sence & convert signal & move toward analyzer & analyzer show reading in percent?

2 Answers  

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What's the difference between cold loop test and hot loop test?

5 Answers  

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Explain the difference between mmwc and mmwg?

0 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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what5 does intrinsically safe mean.

2 Answers  

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what is meant by cold junction compensation. where it is used.

1 Answers   SRACO,

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Anybody know how to create a ladder programme for power switch in TV remote without using counter... ie TV can be turn on and turn off using single push button switch... on pressing the switch first time TV turn on and hold the on state till i press the switch again, and after TV turn off.

2 Answers  

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what is the process to make control schematic ?

0 Answers  

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why we require Differential pressure?Why we use Orifice Plate?

3 Answers  

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what is the vital subject for scoring bhel exam&what is the question pattern

0 Answers   Bhel,

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