how flame detectors sense the flame.

Answer Posted / 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.

Is This Answer Correct ?    10 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the procedure of calibration of Load cell?

1501


what is function of sensor, and how is it work , explain with difination

1895


how can i check vortex shedder bar it is ok? if there is ohms condition are shown correct?

1723


how can use ram

1491


WHY THE DEGREE OF VALVE PLUG AND VALVE SEAT IS SLIGTLY DIFFERENT I CONTROL VALVE TRIM DESIGN

1559






Name different parts of a pressure gauge.

664


my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

1827


why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2216


Explain the combusion chamber

1586


How signals can be taken through modbus?

692


Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.

1503


HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

1446


What is hp & mp seperator .& what is its working principle ?

1830


any body please send me the old question papers of ongc test.

1685


What is the difference between mmwc and mmwg?

872