WHAT IS THE DIFF BETWEEN FREQUENCY AND INTENSITY?HOW IT
WORKS IN FLAME SCANNER ?
Answer Posted / palaniappan balagurusamy
Flame scanners detect the UV or IR waves generated from the
hydrocarbon combustion. Visible type flame scanners are
also available.
Each type of hydrocarbon give out different frequencies of
UV / IR / visible spectrum.
Intensity component of the flame in a flame scanner is
detected to show the operator how intense the flame is.
The frequency of the flame is detected to discriminate
between different hydrocarbon flames. For example in an
boiler combustion flame scanner using oil and coal in
different elevtions, this facility will be useful. The
flame scanner in one elevation buring oil will not sense
the flame of the other elevation burning coal.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.
what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??
In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?
Why flow/pressure transmitter before control valve?
send me last 5 years questions asked in rrb chennai, for section engineer
How do you identify an orifice in the pipeline?
(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.
what is metal of piston ring
What is instrumentation instrumentation engineering?
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .
how to relay switch sense the fault?
2. What is ultrasonic flowmeter?
How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?
May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com