What are the materials use for COntrol Valve body?

1 Answers   KNPC, Qatar Petroleums,

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what is the principal of operatio of dc motor

1 Answers  

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1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

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Can you tell me how we will select RTD and Thermocouples for Temperature applications. I.e How we will choose accurate one for a specefic operation if both having same ranges

3 Answers   Nippon,

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what is difference between OP AMP and differential amplifier?

5 Answers   TCS,

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What output voltage the proximity switch shows when it is in open enviornment?

1 Answers  

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can u briefly explain aboutan aryton shunt multirange DC ammeter?

0 Answers  

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Can a pneumatic control valve work without positioner?

4 Answers   SMC,

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if tx. dp increase or decrese what happend in the reading

1 Answers   BSP,

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DEAR SIR/MADAM MY NAME IS ARKAPROVA BHATTACHARYYA.I AM A FRESHER INSTRUMENTATION ENGINEER.CAN YOU PLEASE SEND SOME QUESTION PAPERS OF GRADUATE ENGINEER TRAINEE EXAM OF DVC(DAMODAR VALLY CORPORATION).MY EMAIL IDs ARE arka_aec@rediffmail.com.

0 Answers  

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What is the Flow rate ?

2 Answers  

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1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?

0 Answers  

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