Engineering Metallurgy solved MCQs

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Set 2 »

1. An eutectoid steel consists of

a. wholly pearlite

B. wholly austenite

c. pearlite and ferrite

d. pearlite and cementite

discuss

a.wholly pearlite

2. In normalizing, one of the following is not correct

a. it relieves internal stresses

B. it produces a uniform structure

c. the rate of cooling is rapid

d. the rate of cooling is slow

discuss

d.the rate of cooling is slow

3. Fine grain sizes are obtained by

a. slow cooling

B. increasing nucleation rate

c. decreasing growth rate

d. fast cooling

discuss

a.slow cooling

4. Which one of the following is not the purpose of full annealing

a. refines grains

B. induces softness

c. removes strains and stresses

d. produces hardest material

discuss

d.produces hardest material

5. Annealing is generally done to impart

a. hardness to the material

B. softness to the material

c. brittleness to the material

d. high conductivity to the material

discuss

b.softness to the material

6. Which of the following processes is used to harden a steel?

a. normalizing

B. annealing

c. carburizing

d. quenching

discuss

d.quenching

7. The hardness of quenched Martensite

a. increases with increasing carbon percentage

B. decreases as carbon percentage increases

c. first increases and then remains almost constant as the carbon percentage increases

d. first increases and then decreases as carbon percentage increases.

discuss

c.first increases and then remains almost constant as the carbon percentage increases

8. Match the phases of steel in Group I with the crystal structures in Group II P. Martensite 1. bcc Q. Cementite 2. fcc R. Austenite 3. bct S. Ferrite 4. Orthorhombic

a. p-3, q-4, r-1, s-2

B. p-2, q-3, r-1, s-4

c. p-3, q-4, r-2, s-1

d. p-4, q-3, r-2, s-1

discuss

c.p-3, q-4, r-2, s-1

9. Dispersion hardening materials can be produced with the help of followinf process

a. forging

B. rolling

c. powder metallurgy

d. none of the above

discuss

c.powder metallurgy

10. in case of carbonitriding by diffusion of which elements the surface become harder of the metal

a. only carbon

B. carbon and nitrogen

c. only nitrogen

d. none of the above

discuss

b.carbon and nitrogen

11. in case of flame hardening the heat source in the form of

a. lpg gas flame

B. furnace oil flame

c. oxy-acetelene flame

d. none of the above

discuss

c.oxy-acetelene flame

12. in jominy end quench test sample is quenched by

a. water

B. oil

c. brine water

d. all of the above

discuss

a.water

13. martempering is also known as

a. marheating

B. marcooling

c. marquenching

d. none of the above

discuss

c.marquenching

14. In martempering heat treatment, the final phase which obtain

a. ferrite

B. austenite

c. pearlite

d. none of the above

discuss

d.none of the above

15. In petenting process, which is the final phase obtainafter completion of heat treatment

a. pearlite

B. bainite

c. martensite

d. austenite

discuss

a.pearlite

16. which of the following metal alloy is suitable for the precipitation hardenable alloy.

a. al-zn

B. al-ni

c. al-cr

d. al-cu

discuss

d.al-cu

17. Pearlite is harder than ferrite,this statement is-------

a. true

B. false

c. not applicable

d. none of the above

discuss

a.true

18. Cementite is harder than pearlite,this statement id -------

a. false

B. true

c. not applicable

d. none of the above

discuss

b.true

19. The Atomic structure of austenite phase is

a. b.c.c

B. b.c.t

c. h.c.p

d. f.c.c

discuss

d.f.c.c

20. The Atomic structure of martensite is

a. b.c.c

B. b.c.t

c. h.c.p

d. f.c.c

discuss

b.b.c.t

21. In case of annealing heat treatment process hypoeutectoid steels are heated above --------- temperature

a. ac1

B. ac3

c. acm

d. none of the above

discuss

b.ac3

22. In case of Normalizing heat treatment process hypoeutectoid steels are heated above --------- temperature

a. ac1

B. ac3

c. acm

d. none of the above

discuss

b.ac3

23. In case of hardening heat treatment process hypoeutectoid steels are heated above --------- temperature

a. ac1

B. ac3

c. acm

d. none of the above

discuss

b.ac3

24. In case of Annealing heat treatment process hypereutectoid steels are heated above --------- temperature

a. ac1

B. ac3

c. acm

d. none of the above

discuss

b.ac3

25. In case of hardening heat treatment process hypereutectoid steels are heated above --------- temperature

a. ac1

B. ac3

c. acm

d. none of the above

discuss

b.ac3

Set 2 »

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Engineering Metallurgy solved MCQs

1. An eutectoid steel consists of

2. In normalizing, one of the following is not correct

3. Fine grain sizes are obtained by

4. Which one of the following is not the purpose of full annealing

5. Annealing is generally done to impart

6. Which of the following processes is used to harden a steel?

7. The hardness of quenched Martensite

8. Match the phases of steel in Group I with the crystal structures in Group II P. Martensite 1. bcc Q. Cementite 2. fcc R. Austenite 3. bct S. Ferrite 4. Orthorhombic

9. Dispersion hardening materials can be produced with the help of followinf process

10. in case of carbonitriding by diffusion of which elements the surface become harder of the metal

11. in case of flame hardening the heat source in the form of

12. in jominy end quench test sample is quenched by

13. martempering is also known as

14. In martempering heat treatment, the final phase which obtain

15. In petenting process, which is the final phase obtainafter completion of heat treatment

16. which of the following metal alloy is suitable for the precipitation hardenable alloy.

17. Pearlite is harder than ferrite,this statement is-------

18. Cementite is harder than pearlite,this statement id -------

19. The Atomic structure of austenite phase is

20. The Atomic structure of martensite is

21. In case of annealing heat treatment process hypoeutectoid steels are heated above --------- temperature

22. In case of Normalizing heat treatment process hypoeutectoid steels are heated above --------- temperature

23. In case of hardening heat treatment process hypoeutectoid steels are heated above --------- temperature

24. In case of Annealing heat treatment process hypereutectoid steels are heated above --------- temperature

25. In case of hardening heat treatment process hypereutectoid steels are heated above --------- temperature

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Question and answers in Engineering Metallurgy,

Engineering Metallurgy Multiple choice questions and answers,

Important MCQ of Engineering Metallurgy,

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Engineering Metallurgy MCQ with answers PDF download

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Engineering Metallurgy

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Engineering Metallurgy solved MCQs

1. An eutectoid steel consists of

2. In normalizing, one of the following is not correct

3. Fine grain sizes are obtained by

4. Which one of the following is not the purpose of full annealing

5. Annealing is generally done to impart

6. Which of the following processes is used to harden a steel?

7. The hardness of quenched Martensite

8. Match the phases of steel in Group I with the crystal structures in Group II P. Martensite 1. bcc Q. Cementite 2. fcc R. Austenite 3. bct S. Ferrite 4. Orthorhombic

9. Dispersion hardening materials can be produced with the help of followinf process

10. in case of carbonitriding by diffusion of which elements the surface become harder of the metal

11. in case of flame hardening the heat source in the form of

12. in jominy end quench test sample is quenched by

13. martempering is also known as

14. In martempering heat treatment, the final phase which obtain

15. In petenting process, which is the final phase obtainafter completion of heat treatment

16. which of the following metal alloy is suitable for the precipitation hardenable alloy.

17. Pearlite is harder than ferrite,this statement is-------

18. Cementite is harder than pearlite,this statement id -------

19. The Atomic structure of austenite phase is

20. The Atomic structure of martensite is

21. In case of annealing heat treatment process hypoeutectoid steels are heated above --------- temperature

22. In case of Normalizing heat treatment process hypoeutectoid steels are heated above --------- temperature

23. In case of hardening heat treatment process hypoeutectoid steels are heated above --------- temperature

24. In case of Annealing heat treatment process hypereutectoid steels are heated above --------- temperature

25. In case of hardening heat treatment process hypereutectoid steels are heated above --------- temperature

Tags

Question and answers in Engineering Metallurgy,

Engineering Metallurgy Multiple choice questions and answers,

Important MCQ of Engineering Metallurgy,

Solved MCQs for Engineering Metallurgy,

Engineering Metallurgy MCQ with answers PDF download

Topic wise solved MCQ's

Solved MCQ's for Related Topics

Jump to set ->

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Engineering Metallurgy [set-1] solved mcqs PDF download

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Engineering Metallurgy