Answer / k.chandra seakhar

the flame sensor is working depend upon the ultravilot rays

Answer / sibapati acharya

Despite the type(which is dependent on frequncy range of
flame),the basic principle is that a concave lens is used
for directing the flame rays to a photo diode. the current
produced from the photo doide is condtioned for flame
detecting in BMS.

Answer / nilesh karpe

There are 2 types of flame detectors in market viz: IR
(infra red ) and UV (ultravoilet ray).

y v r connecting 250 ohms resistor in series when u cummunicate with BT in bench calibration?

5 Answers  

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In vortex flow meter how can measure the frequency of vortex generated by vortex flow meter

4 Answers   Cadila,

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why we connect digital multimeter in series for dc current measurement and parallel for dc voltage measurement.

4 Answers  

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What is the use of each wire in three wire RTD

0 Answers   GSPC,

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how will you segregate the alarm levels in alarm management system during factory Acceptance Test

0 Answers  

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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

1 Answers  

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what is the best method to measuring level in high pressure and temperture thank?

4 Answers  

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What do you do as a Engineering person EPC for Sizing&Selecting Control Valve?

1 Answers  

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what is the calibration standard for pressure and differential pressure transmitters?

1 Answers   Thermax,

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how the presure switches are calibrated? and what happen inside?

1 Answers  

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What is Cavitation?

2 Answers   Gujarat Borosil,

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How to Calibrate Temperature Switch in field

0 Answers  

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