Answer / sagar.tinkhede

The ratio of Wake Freq (Fw) to Natural Freq.(Fn) should be
less than 0.8 and if it goes above it then there is chances
for breakdown of thermowell......

Answer / jigar anadkat

As per latest revised standard the ratio should be 0.4 (ASTME 19.3:2010)

If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

0 Answers   Essar, Reliance,

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Basic working principle of control valves

1 Answers  

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Difine flashing , Cavitaion & Noise? how to minimize these effects

3 Answers   L&T,

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difference b/w single acting and double acting actuator by using application only?

2 Answers   McDermott,

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Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?

3 Answers  

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dear friends pls tell me how temperature compensations are done in bourdoun tube of pressure guages thankx

1 Answers  

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what is the full form of psig.

8 Answers  

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can anybody tel me how a vfd or any field instrument communicates/interface with plc/scada/cs.

0 Answers   Honeywell,

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In closed loop control there are several “blocks” used to show the interactions between the process and the control system. These blocks are referred to as the “process” and the “controller.” Describe the relationship between these two blocks when creating a well tuned control loop.

1 Answers  

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i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

0 Answers  

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i have height of stem drum level 1000mm.how i calculate the DP transmitter

2 Answers  

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what is the difference b/w wet leg & dry leg level method

2 Answers  

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