Q- Which of the following is Close loop system -
a-)respiratory System b-)traffic light system c-)washing
machine d-)Room heater
my option is A, what is our take on option B & C
Answer Posted / www.isamqa.com
D - room heater
| Is This Answer Correct ? | 12 Yes | 1 No |
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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
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