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1. Cast iron the refined form of ? a- Pig iron b- carbon C- molybdenum

1. Cast iron the refined form of ? a- Pig iron b- carbon C- molybdenum

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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98 Z 161423820785837... -> Choose the correct answer for the following: 1- Cast iron the refined form of ? a- Pig iron b- carbon C- molybdenum 2- Proof stress is used when the material ? a- Don't have clear yield point in stress-strain diagram. b- Have clear yield point. C- Have no elasticity 3- Ductile material ? a- Have elongation before failure. b- Doesn't have elongation before failure. c- When failure the section of failure flat. 4- Compression test is the opposite of tensile test ? a- According to direction of applied load. b- Is the same direction of applied load with tensile test. c- Compression test used with metallic materials to determincition Its properties. 5- Impact test ? a- Used to measuring the stress. b- Used to measuring the energy absorbed in bending or breaking the specimen. c- Used to measuring the plasticity. 6- Vacancy diffusion this tape occurs in all metals or alloys a- With Fcc only types of crystal structures b- With Fcc Bcc and Hcp types of crystal structures. c- With Bcc iron only. 7- The alloying of stell is generally done ? a- to reduce cutting ability. b- to increase its strength hardness and toughness . c- to reduce corrosion and fatigue resistance. 8- cast iron is the name given to those ferrous metal ? a- containing than 2% steel. b- containing that 3% steel. c- containing that 2,03% steel. 9- malleable cast iron obtained ? a- from nodular cast iron. b- from grey cast iron by rapid cooling c- from white cast iron by special annealing process. 10- Mottled cast iron ? a- It is a mixture of carbon and aluminum b- It is a mixture of nodular white cast iron.
Transcribed Image Text:98 Z 161423820785837... -> Choose the correct answer for the following: 1- Cast iron the refined form of ? a- Pig iron b- carbon C- molybdenum 2- Proof stress is used when the material ? a- Don't have clear yield point in stress-strain diagram. b- Have clear yield point. C- Have no elasticity 3- Ductile material ? a- Have elongation before failure. b- Doesn't have elongation before failure. c- When failure the section of failure flat. 4- Compression test is the opposite of tensile test ? a- According to direction of applied load. b- Is the same direction of applied load with tensile test. c- Compression test used with metallic materials to determincition Its properties. 5- Impact test ? a- Used to measuring the stress. b- Used to measuring the energy absorbed in bending or breaking the specimen. c- Used to measuring the plasticity. 6- Vacancy diffusion this tape occurs in all metals or alloys a- With Fcc only types of crystal structures b- With Fcc Bcc and Hcp types of crystal structures. c- With Bcc iron only. 7- The alloying of stell is generally done ? a- to reduce cutting ability. b- to increase its strength hardness and toughness . c- to reduce corrosion and fatigue resistance. 8- cast iron is the name given to those ferrous metal ? a- containing than 2% steel. b- containing that 3% steel. c- containing that 2,03% steel. 9- malleable cast iron obtained ? a- from nodular cast iron. b- from grey cast iron by rapid cooling c- from white cast iron by special annealing process. 10- Mottled cast iron ? a- It is a mixture of carbon and aluminum b- It is a mixture of nodular white cast iron.
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