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Objective Questions
ITI
Electrician
Electrician Set-1
Sources of Light
3

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

3) Low pressure in a fluorescent tube is obtained by :

high starting voltage

high current density

low current density

low starting voltage

Answer is:

low current density

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

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

4) When fluorescent lamps are used to replace incandescent bulbs usually :

greater illumination occurs

less illumination occurs

only one colour can be obtained

more shadow occur, but there is less eye strain

Answer is:

greater illumination occurs

5) If the starter of a glowing tube-light is withdrawn then the tube-light :

will become OFF

will continue to glow

filaments will be damaged

will glow intermittently

Answer is:

will continue to glow

6) The inner tube of a H.P.M.V. lamp is filled with :

argon gas

halogen gas

helium gas

nitrogen gas

Answer is:

argon gas

7) H.P.M.V. lamps are available in a rating of :

40, 60 watts

100, 200 watts

80, 125 watts

150, 300 watts

Answer is:

80, 125 watts

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

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