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5- If we want to reduce the illumination to half we must do the below: a-rotate the angle of light source by 60 degree b- increase the distance about 70% c- reduce the distance to half d-a& b are correct 6- Optical radiation consist of: a) visible light, IR radiation and UV radiation b) the electromagnetic wave spectrum between 100nm to 1mm c) a & b are correct d) there is no correct answer 7- According to iso 17637, what of the below listed shall be taken in consideration for increasing the efficiency of test when using t lighting? a-correct layout of lights for the examination b-prevention from dazzling c-setup of optimal color temperature of the source of lighting d- all the above

5- If we want to reduce the illumination to half we must do the below: a-rotate the angle of light source by 60 degree b- increase the distance about 70% c- reduce the distance to half d-a& b are correct 6- Optical radiation consist of: a) visible light, IR radiation and UV radiation b) the electromagnetic wave spectrum between 100nm to 1mm c) a & b are correct d) there is no correct answer 7- According to iso 17637, what of the below listed shall be taken in consideration for increasing the efficiency of test when using t lighting? a-correct layout of lights for the examination b-prevention from dazzling c-setup of optimal color temperature of the source of lighting d- all the above

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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5- If we want to reduce the illumination to half we must do the below: a-rotate the angle of light source by 60 degree b- increase the distance about 70% c- reduce the distance to half d-a& b are correct 6- Optical radiation consist of: a) visible light, IR radiation and UV radiation b) the electromagnetic wave spectrum between 100nm to 1mm c) a & b are correct d) there is no correct answer 7- According to iso 17637, what of the below listed shall be taken into consideration for increasing the efficiency of test when using the lighting? a-correct layout of lights for the examination b-prevention from dazzling c-setup of optimal color temperature of the source of lighting d- all the above 8- According to ISO 6520-1, burn-through is :- a- local irregularity of surface in the area of restart of welding b- local damage to the parent metal surface, adjacent to the weld, resulted fro accidental arcing c-trough metal run-out resulting in that a full-length bore appears in the weld d- damages to the surface caused by removal of temporary weld-on attachme
Transcribed Image Text:5- If we want to reduce the illumination to half we must do the below: a-rotate the angle of light source by 60 degree b- increase the distance about 70% c- reduce the distance to half d-a& b are correct 6- Optical radiation consist of: a) visible light, IR radiation and UV radiation b) the electromagnetic wave spectrum between 100nm to 1mm c) a & b are correct d) there is no correct answer 7- According to iso 17637, what of the below listed shall be taken into consideration for increasing the efficiency of test when using the lighting? a-correct layout of lights for the examination b-prevention from dazzling c-setup of optimal color temperature of the source of lighting d- all the above 8- According to ISO 6520-1, burn-through is :- a- local irregularity of surface in the area of restart of welding b- local damage to the parent metal surface, adjacent to the weld, resulted fro accidental arcing c-trough metal run-out resulting in that a full-length bore appears in the weld d- damages to the surface caused by removal of temporary weld-on attachme
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