98Z 161423820785837...->Choose the correct answer for the following:1- Cast iron the refined form of ?a- Pig ironb- carbonC- molybdenum2- 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 elasticity3- 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 todetermincition Its properties.5- Impact test ?a- Used to measuring the stress.b- Used to measuring the energy absorbed in bending orbreaking the specimen.c- Used to measuring the plasticity.6- Vacancy diffusion this tape occurs in all metals or alloysa- With Fcc only types of crystal structuresb- 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 coolingc- from white cast iron by special annealing process.10-Mottled cast iron ?a- It is a mixture of carbon and aluminumb- It is a mixture of nodular white cast iron.

(1) When the pig iron is remelted in the small furnaces(cupola) and after that poured into the molds…

Answered: 1. Cast iron the refined form of ? a-…

Engineering

Mechanical Engineering

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

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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Question

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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