Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / saumyajit
in fire detectors normally we use photo resistors,which is used in wheatstone bridge circuit,in photo resistor conductivity changes as light intensity change.or we cud use photo diodes.(PN-diode,PIN-diode,avelanche diode)
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
What is force balance principle?
what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?
what is thermo coupler and how it works
What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.
any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com
What is shielding effect?
I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?
what is interface level measurement.who can calibrate interface level measurement transmitter online
If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?
How is work 5/2 sov?
How to Calibrate Coriolis Flow transmitter in field
all types of liquid analyzer principle with drawing?
How to calibrate smoke Dectector
WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?
what is piezoelectric transducer?give an example in power plant n state its principle?
