Lux meter is the measuring device to measure the lux level
of lighting fixture. in industrial sector two types of
lighting fixture is being used as street lighting purpose
1. HPSV (Sodium) and 2. HPMV (Mercury). HPMV having white
light which is an combination of red, blue and yellow
colour, while HPSV haivng Yellow lighting. in HPSV red &
blue colour will be absent. during measurement of the lux
level of HPSV and HPMV fixture. 1. Lux meter can measure
the actual lux level of both fixture? 2. or it will show
false reading for HPSV fixture light as it has only yellow
light present. please give me answer
how we are desining 63.5 ohm resistor for NGR of alternator?
tell me exact relation b/n voltage and current and which one is depend other
how do you test the capacitor bank ?
in transfomer which type of oil is use!
1.Defination of Graund earth and neutral 2.
which type of motor is used in lift ?
Why NGR is provided in sub station?
can we use 220 volt 15 w a.c. lamp on 220 volt d.c.
IS THERE ANY ELECTRONIC CIRCUIT TO REDUCE THE NEUTRAL TO EARTH VOLTAGE BELOW 3V ?
1. what is exciting winding, rotor winding, startor winding. and how it works? in ac generator
what is the consuption rating of motor in one day
EXPLAIN USE OF ROCKING ARRANGEMENT IN ELECTRIC HEATING?
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