wht is snap action switch?where it is used?is there any diff between snap action switch and normal pressure switch?

1 Answers   ONGC,

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draw the characteristics of chebyshev filter

0 Answers  

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Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72

0 Answers  

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what is lead lag compensator and for wat v using that???

3 Answers  

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how to calibrate a control valve?

7 Answers   Reliance, Telecon Systems,

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in sports(eg,cricket) what is the technique for measurement of speed of the ball thrown by the bowler.

6 Answers   BEL, PSU,

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what is difference between HOT permit and cold permit

0 Answers   Petro Rabigh,

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Calibration of flow transmitter.

1 Answers   CCIE, Power Plant,

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Linear amplifier.

0 Answers   CCIE,

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Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com

0 Answers  

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what is function of switch, and how is it work, explain with difination

0 Answers   Bapco Bahrain Petroleum Company,

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what is bms?

4 Answers   Emco,

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