Answer / rajesh

smps converts ac to fixed dc voltage
the desired vtg can be obtained by choosing ic's ,
resistors , capacitors of the desired value
( 5 - 20 voltage range )

Answer / ravi

it converts ac to dc voltage...

Why three wire is using with a RTD?

3 Answers   ABB, MAHINDRA,

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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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Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

0 Answers  

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why use on -off control valve in glove valve

1 Answers  

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A valve in series with an orifice plate (DP transmitter), is aligned for constant pressure in the pipeline, if there is an error dx, How to align it in process.

0 Answers  

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Difference HAZOP and HIRA

1 Answers  

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how ranges is decided for drum level or dearator level,in my pplant i have seen for boiler drum range is -1000 to 1000mmwc, while for dearator -2000 to 0 mmwc ,why they decided to take this range ?

2 Answers  

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In most process, speed of motor controlled by control system with a reference pot . Now if i start & it becomes uncontrollable, i.e.gets directly start & stop after certain time.Then which reasons can make such problem? can motor may be faulty?how?

3 Answers   Siemens,

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1)how can calibrate temperature transmitter? 2)how can calibrate flow transmitter? 3)how can calibrate level transmitter?

3 Answers   ccic, Emerson, JK Pharma, NIGC, Rockwell, UltraTech,

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how to test rotor &stator earth fault in turbine

1 Answers   Bhel,

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What is cv of control valve

4 Answers   Cadila,

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Valve positioner and actuators in detail.

0 Answers   MIEPL,

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