give classification of transducer based on type of application

2 Answers  

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please send me hpcl placement papers

13 Answers   HPCL, L&T,

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how to calibrate corollaries (Mass flow meter)?

0 Answers   Honeywell,

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In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 Answers  

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Tell me the field calibration procedure step by step with diagram of temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue).

1 Answers  

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In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

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when the operation engineer told you that he gives the control valve order to open but there is no response ! what will you do ? and if you found that there is astuck , what will you do ? (note : it is apanumatic valve )

5 Answers  

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What is furnace draft control?

0 Answers  

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why vortex flow meters and electro magnet flow meters are used in water treatment plants

1 Answers   Elite Construction,

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PLZ explain to me massflow

4 Answers  

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An equipment is certified for EEX, IA, IIC, T6, what do you under stand by this.

3 Answers   ADMA OPCO,

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what is difference between total flow and flow rate in general ?? explain it with daily life example.

3 Answers   GNFC,

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