absa A1 UPDATED ACTUAL Questions
and CORRECT Answers
1. The term "plasticity" is applied to material which - CORRECT ANSWER - e. Will not
return to its original shape after being deformed.
2. Elasticity is the property a body possesses that allows the body to - CORRECT
ANSWER - a. Return to its original shape after being deformed
3. Malleability property of material is that property which allows the material to be - CORRECT
ANSWER - b. Be rolled to a desired shape without breaking
4. The mechanical property that determines whether a material will
break or stand up under a sudden impact or hard blow is - CORRECT ANSWER - e.
Toughness.
5. A material's ability to resist a change in shape or size when a load is
applied is known as - CORRECT ANSWER - b. Stiffness
6. A Brinell hardness number of "65 HB 10 - CORRECT ANSWER -
500 - CORRECT ANSWER -
25" means - CORRECT ANSWER - c. That a Brinell hardness of 65 was obtained using a
10 mm in diameter hardened steel ball with a 500 kg load applied for a period of 25 seconds
7. Hardness property of material is a body's ability to - CORRECT ANSWER - b. Resist
penetration
,8. Materials which break rather than bend even though great force is required to break them are
said to be - CORRECT ANSWER - b. Brittle
9. A material is said to possess _____ if it is very soft and easily deformed.
a. Plasticity - CORRECT ANSWER -
10. If a material does not have the property of ductility then it will be - CORRECT
ANSWER - d. Brittle
11. _____ refers to that property of a material which enables it to resist
wear, abrasion and penetration.
c. Hardness - CORRECT ANSWER -
12. The material property of toughness can be tested by - CORRECT ANSWER - 1. Drop
test 2. Charpy test 3. Izod test
4. Brinell test
e. 2, 3.
13. A material's ability to withstand great deformation under high loads
before rupturing is a measure of it's - CORRECT ANSWER - a. Toughness
14. The main advantages of the electric arc furnace when making steel are the ability to -
CORRECT ANSWER - a. Control the internal atmospheric conditions and the heat source
15. A material that has an ability to withstand penetration is - CORRECT ANSWER - b.
Hard
16. _____ is that property of a material that enables it to be deformed under tension or stretched
without rupture.
, d. Ductility - CORRECT ANSWER -
17. Examples of materials that have the mechanical property of hardness are - CORRECT
ANSWER - 1. Stellite
2. Babbitt
3. Carbon tool steel 4. Diamond
b. 1, 3, 4
18. If a material is said to have a high Brinell number, this means the
material is - CORRECT ANSWER - a. Very hard
19. Two common tests used to determine the toughness of a material
are the Charpy and _____ tests.
c. Izod - CORRECT ANSWER -
20. Cast iron has a certain percentage of carbon present. This
percentage is - CORRECT ANSWER - c. 2-4%
21. A tensile test is performed by subjecting the specimen to a - CORRECT ANSWER -
an - CORRECT ANSWER - d. Stretching type load
22. A material that has the mechanical property "toughness" can be
tested for this by which of the following tests - CORRECT ANSWER - 1. Drop test
2. Charpy test
3. Izod test
4. Brinell test c. 2, 3
and CORRECT Answers
1. The term "plasticity" is applied to material which - CORRECT ANSWER - e. Will not
return to its original shape after being deformed.
2. Elasticity is the property a body possesses that allows the body to - CORRECT
ANSWER - a. Return to its original shape after being deformed
3. Malleability property of material is that property which allows the material to be - CORRECT
ANSWER - b. Be rolled to a desired shape without breaking
4. The mechanical property that determines whether a material will
break or stand up under a sudden impact or hard blow is - CORRECT ANSWER - e.
Toughness.
5. A material's ability to resist a change in shape or size when a load is
applied is known as - CORRECT ANSWER - b. Stiffness
6. A Brinell hardness number of "65 HB 10 - CORRECT ANSWER -
500 - CORRECT ANSWER -
25" means - CORRECT ANSWER - c. That a Brinell hardness of 65 was obtained using a
10 mm in diameter hardened steel ball with a 500 kg load applied for a period of 25 seconds
7. Hardness property of material is a body's ability to - CORRECT ANSWER - b. Resist
penetration
,8. Materials which break rather than bend even though great force is required to break them are
said to be - CORRECT ANSWER - b. Brittle
9. A material is said to possess _____ if it is very soft and easily deformed.
a. Plasticity - CORRECT ANSWER -
10. If a material does not have the property of ductility then it will be - CORRECT
ANSWER - d. Brittle
11. _____ refers to that property of a material which enables it to resist
wear, abrasion and penetration.
c. Hardness - CORRECT ANSWER -
12. The material property of toughness can be tested by - CORRECT ANSWER - 1. Drop
test 2. Charpy test 3. Izod test
4. Brinell test
e. 2, 3.
13. A material's ability to withstand great deformation under high loads
before rupturing is a measure of it's - CORRECT ANSWER - a. Toughness
14. The main advantages of the electric arc furnace when making steel are the ability to -
CORRECT ANSWER - a. Control the internal atmospheric conditions and the heat source
15. A material that has an ability to withstand penetration is - CORRECT ANSWER - b.
Hard
16. _____ is that property of a material that enables it to be deformed under tension or stretched
without rupture.
, d. Ductility - CORRECT ANSWER -
17. Examples of materials that have the mechanical property of hardness are - CORRECT
ANSWER - 1. Stellite
2. Babbitt
3. Carbon tool steel 4. Diamond
b. 1, 3, 4
18. If a material is said to have a high Brinell number, this means the
material is - CORRECT ANSWER - a. Very hard
19. Two common tests used to determine the toughness of a material
are the Charpy and _____ tests.
c. Izod - CORRECT ANSWER -
20. Cast iron has a certain percentage of carbon present. This
percentage is - CORRECT ANSWER - c. 2-4%
21. A tensile test is performed by subjecting the specimen to a - CORRECT ANSWER -
an - CORRECT ANSWER - d. Stretching type load
22. A material that has the mechanical property "toughness" can be
tested for this by which of the following tests - CORRECT ANSWER - 1. Drop test
2. Charpy test
3. Izod test
4. Brinell test c. 2, 3
