in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 Answers  

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the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

0 Answers   GNFC,

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What is force balance principle? State some of its’ advantages.

0 Answers  

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

1 Answers  

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What is actuator what is motorized control valve?

5 Answers   Emco,

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what is the different between deflection type measurement and null type measurement in RTD?

0 Answers   SHR Solutions,

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Can anyone send most commonly asked interview question in Oil & Gas industry

0 Answers  

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Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?

3 Answers  

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while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

0 Answers   Gasco,

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What is the use of control cable?

0 Answers  

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I am working in a process industry, in that there are several sections devided in the SCADA screens and individual sections may START independently. But sometimes i am facing problem i.e, if section 2 Stopped by the operator immediately Section 1 or Section 3 or Section 4 is getting stopped can you expain the reason behind this?

5 Answers  

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If we increase PI controller what will be action.

1 Answers   IMECO,

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