Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace MEE 203 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

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70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

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MME 201

1 / 40

1. The metallic structure of mild steel is
A.
B.
C.
D

A. Cubic structure

B. Body centred cubic

C. Face centred cubic

D. Hexagonal close packed

2 / 40

2. Pick up wrong statement about wrought iron

A. It can be easily forge welded

B. It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling

C. It contains carbon of the order of 0 to 0.25%

D. It is very soft and ductile

3 / 40

3. Slow plastic deformation of metals under a constant stress is known as

A. Fatigue

B. Creep

C. Endurance

D. Plastic deformation

4 / 40

4. Super conduction by metals is observed in the temperature range of

A. Below 10°K

B. Around 100°C

C. Around 0°C

D. Above 100°K

5 / 40

5. The ultimate tensile strength of low carbon steel by working at a high strain rate will

A. Remain constant

B. Decrease

C. First increase and then decrease

D. Increase

6 / 40

6. The unique property of cast iron is, its high

A. Malleability

B. Damping characteristics

C. Ductility

D. Surface finish

7 / 40

7. What is shape of a stress strain curve for ceramics?

A. Parabola

B. Inverted parabola

C. Straight line

D. Hyperbola

8 / 40

8. The elastic stress strain behaviour of rubber is

A. Non-linear

B. Linear

C. Plastic

D. No fixed relationship

9 / 40

9. In terms of which of the following properties, metals are better than ceramics?

A. Hardness

B. Yield Strength

C. Toughness

D. Ductility

10 / 40

10. Which of the following can be the tensile strength of aluminum oxide?

A. 800 MPa

B. 600 MPa

C. 1000 MPa

D. 1200 MPa

11 / 40

11. Ceramics make excellent refractory materials. A material is said to be refractory if it:

A. retains its strength at high temperatures

B. All the options

C. has high refractive index

D. resists the flow of electric current

12 / 40

12. In compression, a prism of brittle material will break

A. By forming a bulge

B. By shearing along oblique plane

C. In direction perpendicular to application of load

D. By crushing into thousands of pieces

13 / 40

13. Which of the following test are done to find out the mechanical behavior of ceramics?

A. Tensile test

B. Transverse bending test

C. Compressive test

D. Shearing test

14 / 40

14. Chilled cast iron has

A. A very high percentage of graphite

B. A low percentage of graphite

C. No graphite

D. Graphite as its basic constituent of composition

15 / 40

15. Mild steel belongs to the following category

A. Medium carbon steel

B. Alloy steel

C. High carbon steel

D. Low carbon steel

16 / 40

16. Pig iron is the name given to

A. Raw material for blast furnace

B. Iron containing huge quantities of carbon

C. Iron in molten form in the ladles

D. Product of blast furnace made by reduction of iron ore

17 / 40

17. Which of the following is correct?

A. Slope of stress strain curve of aluminum oxide is the same as glass

B. Slope of stress strain curve of aluminum oxide is more than glass

C. Slope of stress strain curve of aluminum oxide is less than glass

D. Slope of stress strain curve of aluminum oxide and glass are not comparable

18 / 40

18. A reversible change in the atomic structure of steel with corresponding change in the properties is known as

A. Molecular change

B. Allotropic change

C. Physical change

D. Solidus change

19 / 40

19. Various isotopes of a given element have same:

A. Number of protons

B. Number of neutrons

C. Molar mass

D. Thermodynamic stability

20 / 40

20. Wrought iron is

A. Highly resistant to corrosion

B. Hard

C. Heat treated to change its properties

D. High in strength

21 / 40

21. Cast iron is characterized by minimum of following %age of carbon

A. 1.3%

B. 0.8%

C. 0.2%

D. 2%

22 / 40

22. Iron is

A. Paramagnetic

B. Ferromagnetic

C. Dielectric

D. Ferroelectric

23 / 40

23. Isotropic materials are those which have the same

A. Stresses induced in all directions

B. Elastic properties in all directions

C. Thermal properties in all directions

D. Electric and magnetic properties in all directions

24 / 40

24. GFRP is an important composite. It stands for

A. Gelatin Fibre Reinforced Polymer

B. Graphite Fibre Reinforced Polymer

C. Glass Fibre Reinforced Polymer

D. Germanium Fibre Reinforced Polymer

25 / 40

25. The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to -150°C will

A. Increase

B. Decrease

C. First increase and then decrease

D. Remain same

26 / 40

26. Cast iron has
A.
B.
C.

A. High tensile strength

B. High ductility

C. All the options

D. Its elastic limit close to the ultimate breaking strength

27 / 40

27. Which of the following cannot be used as bio-materials?

A. Ceramics

B. Polymers

C. Metals

D. None of the options

28 / 40

28. In grey cast iron, carbon is present in the form of

A. Flakes

B. Free carbon

C. Cementite

D. Spheroids

29 / 40

29. Ductility of a material can be defined as

A. Ability to undergo large permanent deformations in compression

B. Ability to recover its original form

C. All the options

D. Ability to undergo large permanent deformations in tension

30 / 40

30. Which of the following is true for polymers?

A. They have very high molecular mass

B. All the options

C. They have high strength to mass ratio

D. They do not have a linear stress-strain curve

31 / 40

31. Steels mainly contain iron and carbon. Under which of the following categories do they belong?

A. Polymer

B. Composites

C. Metallic Solids

D. Ceramics

32 / 40

32. In nodular iron, graphite is in the form of

A. Flakes

B. Spheroids

C. Free carbon

D. Cementite

33 / 40

33. Which of the following constituents of steels is softest and least strong

A. Ferrite

B. Cementite

C. Pearlite

D. Austenite

34 / 40

34. The percentage of carbon in grey iron cast' ings usually varies between

A. 0.5 to 1%

B. 5 to 7%

C. 2.5 to 4.5%

D. 1 to 2%

35 / 40

35. The crystal of alpha iron is

A. Face centred cubic

B. Cubic structure

C. Hexagonal close packed

D. Body centred cubic

36 / 40

36. Silicon carbide is ductile.

A. False

B. True

37 / 40

37. Ferromagnetic alpha iron exists in temperature range of

A. 1400-1539°C

B. 910-1440°C

C. 770-910°C

D. Below 723°C

38 / 40

38. The ability of a material to resist softening at high temperature is known as

A. Fatigue

B. Hot hardness

C. Hot tempering

D. Creep

39 / 40

39. Which of the following is correct?

A. Aluminum oxide reaches fracture point at the same time as glass

B. They do not reach a fracture point

C. Aluminum oxide reaches fracture point after glass

D. Aluminum oxide reaches fracture point before glass

40 / 40

40. The percentage of carbon in pig iron varies from

A. 4 to 4.5%

B. 0.1 to 1.2%

C. 2.5 to 4%

D. 1.5 to 2.5%

Your score is

The average score is 30%

MME 201 CBT PRACTICE TEST

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