Answer / narendra

u can connect diode & check it by providing power supply,as it will not damage the the solenoid even polarity is changed.

If we increase PI controller what will be action.

1 Answers   IMECO,

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installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

0 Answers   BARC,

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What are different types of orifice plates?

0 Answers  

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if i change range of flow transmitter in th field then does it need to change range in dcs?

3 Answers  

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I have applied the post Junior Engineer-(TM)in R.R.B CHANDIGARH recently . what type of question i have to practice and which book ?. can i get any model question paper?

3 Answers   RRB,

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Is there a particular problem if two proposals from the same observatory (originating with different partners) are submitted?

1 Answers  

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how can calibrate pressure transmeeter in the feild ?

1 Answers  

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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What is frequency factor in massflow meter? When using frequency output?

0 Answers   PCMIL,

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what is plc? Basic function of plc? application of plc in industry? What is lader diagram ? What is the main advantage to use plc in industry?

15 Answers   Schlumberger,

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In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

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Someone please do mail me some instrumentation questions for Hindustan Petroleum test to avinalexander@gmail.com .Really would be gateful if someone could help me

3 Answers   HPCL, Immersion, IOCL,

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