what is difference between HOT permit and cold permit

0 Answers   Petro Rabigh,

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what pressure transmitter?

8 Answers   Bhel,

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how to calibrate level transmitter

2 Answers   Reliance,

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why is not useing in boiler skin thermocople

1 Answers   KNPC,

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Please send the all question with answer related for interview.

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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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  

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wht is loops ? how many loops are there?

2 Answers  

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Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

3 Answers   L&T,

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I have transmitter of range -20 to -5 kpa.if it is possible to zero trim with atmospheric pressure,means HP and lp having no pressure...what will get after zero trim and it is the right way.....plz give me reply ....

3 Answers   KOC,

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i have an interview in Qatar Petroleum. So please provide the all details abt fire & gas systems

1 Answers   Qatar Petroleums,

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What is the procedure of calibration of Load cell?

0 Answers  

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