Sources of Light MCQ - Electrician (Set-1) with Answers

Sources of Light MCQ - Electrician (Set-1) with Answers

16) The most popular type of fluorescent lamp for new installation is the :

Answer is:

glow tube

17) The type of fluorescent lamp that can be used in flashing circuits is the :

Answer is:

instant start lamp

18) In a H.P.M.V. lamp, the mercury vapour discharges at :

Answer is:

a low pressure

19) Most recent development in fluorescent lighting is the :

Answer is:

glow lamp

20) In a high pressure mercury lamp, to vaporize all the mercury and for the lamp to reach full brilliance, it requires :

Answer is:

4 to 6 minutes

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