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1- If intensity of illumination of surface is 1200 lx from 100 cm, what it if the distance be 50 cm with perpendicular angle a) 6900 lx b) 600 600 lx c) 4800 lx d) 2400 lx

1- If intensity of illumination of surface is 1200 lx from 100 cm, what it if the distance be 50 cm with perpendicular angle a) 6900 lx b) 600 600 lx c) 4800 lx d) 2400 lx

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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1- If intensity of illumination of surface is 1200 lx from 100 cm, what it if the distance be 50 cm with perpendicular angle a) 6900 Ix b) 600 lx c) 4800 lx d) 2400 lx 2- Shrinkage cavity, t= 14 mm, butt weld, Measured h = 0.5 with length 38 mm a) accepted for level D b) accepted for level C c) not acceptable for all levels d) both A & B are correct 3- Single side butt weld Incomplete root penetration according to ISO 5817, t = 12 mm, measured h = 0.5 mm a) not acceptable for Level D b)not acceptable for Level C c) both b & d are correct d) acceptable for Level D 4- If the total length of weld is 60 mm then the short imperfection is : a- Less than 15 mm b- Greater than 15 mm c- Greater than 25% from total length d - b & care correct
Transcribed Image Text:1- If intensity of illumination of surface is 1200 lx from 100 cm, what it if the distance be 50 cm with perpendicular angle a) 6900 Ix b) 600 lx c) 4800 lx d) 2400 lx 2- Shrinkage cavity, t= 14 mm, butt weld, Measured h = 0.5 with length 38 mm a) accepted for level D b) accepted for level C c) not acceptable for all levels d) both A & B are correct 3- Single side butt weld Incomplete root penetration according to ISO 5817, t = 12 mm, measured h = 0.5 mm a) not acceptable for Level D b)not acceptable for Level C c) both b & d are correct d) acceptable for Level D 4- If the total length of weld is 60 mm then the short imperfection is : a- Less than 15 mm b- Greater than 15 mm c- Greater than 25% from total length d - b & care correct
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