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

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70 – 100 A

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MME 201

1 / 40

1. Pick up wrong statement about wrought iron

A. It is very soft and ductile

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

C. It can be easily forge welded

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

2 / 40

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

A. Ductility

B. Yield Strength

C. Toughness

D. Hardness

3 / 40

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

A. 1.3%

B. 0.8%

C. 0.2%

D. 2%

4 / 40

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

A. By shearing along oblique plane

B. By forming a bulge

C. In direction perpendicular to application of load

D. By crushing into thousands of pieces

5 / 40

5. GFRP is an important composite. It stands for

A. Germanium Fibre Reinforced Polymer

B. Gelatin Fibre Reinforced Polymer

C. Glass Fibre Reinforced Polymer

D. Graphite Fibre Reinforced Polymer

6 / 40

6. The crystal of alpha iron is

A. Hexagonal close packed

B. Face centred cubic

C. Cubic structure

D. Body centred cubic

7 / 40

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

A. 1000 MPa

B. 1200 MPa

C. 800 MPa

D. 600 MPa

8 / 40

8. Various isotopes of a given element have same:

A. Number of protons

B. Number of neutrons

C. Thermodynamic stability

D. Molar mass

9 / 40

9. Ceramics are brittle.

A. False

B. True

10 / 40

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

A. Creep

B. Fatigue

C. Hot tempering

D. Hot hardness

11 / 40

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

A. has high refractive index

B. retains its strength at high temperatures

C. All the options

D. resists the flow of electric current

12 / 40

12. Pig iron is the name given to

A. Iron in molten form in the ladles

B. Raw material for blast furnace

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

D. Iron containing huge quantities of carbon

13 / 40

13. Sulphur in pig iron tends to make it.

A. Tough

B. Hard

C. Ductile

D. Soft

14 / 40

14. Calcium is an isobar of Argon. They differ in:

A. None of the options

B. Number of neutrons

C. Atomic weight

D. Number of nucleons

15 / 40

15. The elastic stress strain behaviour of rubber is

A. No fixed relationship

B. Linear

C. Plastic

D. Non-linear

16 / 40

16. 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

17 / 40

17. In malleable iron, carbon is present in the form of

A. Nodular aggregates of graphite

B. Flakes

C. Cementite

D. Spheroids

18 / 40

18. Mild steel belongs to the following category

A. Low carbon steel

B. High carbon steel

C. Alloy steel

D. Medium carbon steel

19 / 40

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

A. Remain same

B. Decrease

C. Increase

D. First increase and then decrease

20 / 40

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

A. Solidus change

B. Allotropic change

C. Molecular change

D. Physical change

21 / 40

21. White cast iron contains carbon in the form of

A. Free carbon

B. Cementite

C. White carbon

D. Graphite

22 / 40

22. Ferromagnetic alpha iron exists in temperature range of

A. Below 723°C

B. 770-910°C

C. 910-1440°C

D. 1400-1539°C

23 / 40

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

A. Tensile test

B. Shearing test

C. Compressive test

D. Transverse bending test

24 / 40

24. Isotropic materials are those which have the same

A. Elastic properties in all directions

B. Electric and magnetic properties in all directions

C. Thermal properties in all directions

D. Stresses induced in all directions

25 / 40

25. Iron is

A. Ferroelectric

B. Paramagnetic

C. Dielectric

D. Ferromagnetic

26 / 40

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

A. Flakes

B. Cementite

C. Spheroids

D. Free carbon

27 / 40

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

A. Inverted parabola

B. Straight line

C. Hyperbola

D. Parabola

28 / 40

28. Chilled cast iron has

A. Graphite as its basic constituent of composition

B. No graphite

C. A very high percentage of graphite

D. A low percentage of graphite

29 / 40

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

A. Free carbon

B. Cementite

C. Flakes

D. Spheroids

30 / 40

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

A. 2.5 to 4.5%

B. 0.5 to 1%

C. 5 to 7%

D. 1 to 2%

31 / 40

31. For the allotropic forms of iron, the points of arrest are

A. Constant for all metals

B. The points where there is no further flow of metal

C. The points of discontinuity

D. The points where no further change occurs

32 / 40

32. Cast iron has
A.
B.
C.

A. Its elastic limit close to the ultimate breaking strength

B. All the options

C. High ductility

D. High tensile strength

33 / 40

33. Which of the point is there in a stress strain curve for a ceramic?

A. Fracture point

B. Ultimate tensile strength

C. Yield point

D. Limit of proportionality

34 / 40

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

A. Metals

B. Polymers

C. Ceramics

D. None of the options

35 / 40

35. Which of the following is correct?

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

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

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

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

36 / 40

36. Malleability of a material can be defined as

A. All the options

B. Ability to recover its original form

C. Ability to undergo large permanent deformations in tension

D. Ability to undergo large permanent deformations in compression

37 / 40

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

A. Heat treatment

B. Recrystallisation

C. Allotropic change

D. Precipitation

38 / 40

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

A. Austenite

B. Ferrite

C. Pearlite

D. Cementite

39 / 40

39. The percentage of carbon in pig iron varies from

A. 1.5 to 2.5%

B. 4 to 4.5%

C. 0.1 to 1.2%

D. 2.5 to 4%

40 / 40

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

A. Endurance

B. Creep

C. Plastic deformation

D. Fatigue

Your score is

The average score is 30%

MME 201 CBT PRACTICE TEST

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