can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know

0 Answers  

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What is the difference between Pressure Safety Valve and Pressure Relieve Valve, in what condition we prefer choose Pressure Safety Valve rather than Pressure Relieve Valve? and vice versa

2 Answers   Vedanta,

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What is deffrence between Battery and capacitor

3 Answers   Siemens,

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What is Cryogenic?

2 Answers  

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In dcs contol valve parameters showing like this Gain=1 or 2 , ti=7 sec, td=20sec. But temp,pressure,level control valves we are using in which type parameter side using ti,td clearly tell me

1 Answers  

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what is Green field /brown field exposure in chemicals /oil /petrochemicals /refineries /paints /speciality chemicals /gas /FMCG /glass industry

1 Answers  

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why 4-20 mA in covection system?

3 Answers  

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A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

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any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

0 Answers  

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What is the difference between EPROM & EEPROM.

1 Answers   Sabic,

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what should be the distance of vibration sensor & to the point where vibration to be measured Ex turbine axial displacement

3 Answers  

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What are different types of orifice plates?

0 Answers  

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