What should be the stanchan Height for installation of Smoke detector & toxic gas detector in field,according to qatar standard

2 Answers  

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can you provide me full detail about instrumentation in ONGC??

0 Answers   BRML, ONGC,

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State 5 different method of level measurements.

3 Answers   SRACO,

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what is the exact job for automation enggineer?

0 Answers  

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HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

0 Answers   Chevron,

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can someone tell me about electronic speed switch &how it conect with proximittyswitch?(with dgm)

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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find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

0 Answers  

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How to calibrate DP tramitter in flow measurement application? consider my range of flow is 0 to 2000 kg/hr ? please give calculation of , How much pressure applied on low pressure side and high pressure side please give detail of calculation .... It so important for me please reply as soon as possible

1 Answers  

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Sir, my yokugava FF TYPE LEVEL transmitter us bad, i don't have spares available, i want to replace it with a Rosemount FF transmitter, please tell me what procedure to be followed and what changes to be done in dcs part.

1 Answers   BPCL Bharat Petroleum, OEG,

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How many mode are in ups?

2 Answers  

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Which is your favourite subject & explain any one topic of it.

0 Answers   L&T,

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