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Materials and Construction Quiz 1

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Materials and Construction Quiz 1

1 / 50

Acetylene gas holder is made of___________?

2 / 50

______ is added in low carbon steel to raise its yield point?

3 / 50

A hardened steel essentially contains_____?

4 / 50

?Hypersil? is a _______ steel?

5 / 50

Addition of nickel to copper improves its__________?

6 / 50

________ does not contain tin as an alloying material?

7 / 50

?Age hardening? of duralumin is due to______?

8 / 50

A material no longer behaves elastically beyond__________?

9 / 50

_______ is never shipped in glass carboys?

10 / 50

Ability of a material to absorb energy in deformation in the plastic range is characterised as its______?

11 / 50

Addition of tungsten to steel imparts_____?

12 / 50

______ moulding process cannot be used for thermoplastic plastics?

13 / 50

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of_____?

14 / 50

______ is added in stainless steel to prevent inter crystal corrosion?

15 / 50

A suitable material of construction to use with fuming sulphuric acid is__________?

16 / 50

Acid proof stoneware__________?

17 / 50

18-4-1 high speed steel contains 18%, 4% and 1% respectively of______?

18 / 50

Addition of ______ in steel can help in increasing the depth of hardness?

19 / 50

A chemical change takes place when iron______?

20 / 50

A steel alloy containing 36% nickel is called _______, which has a zero co-efficient of expansion?

21 / 50

?Semi steel? is___________?

22 / 50

______ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working?

23 / 50

Ability of a material to _______ is indicated by its damping capacity?

24 / 50

___________ does not contain copper as an alloying element?

25 / 50

_____ alloys have the highest specific strength of all the structural materials out of the following?

26 / 50

_______ can replace tungsten in high speed steel ?

27 / 50

A bearing metal should not have_____?

28 / 50

A material is able to retain the deformation permanently by virtue of its_____?

29 / 50

Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its___________?

30 / 50

_______ is not a case hardening process?

31 / 50

______ steel is widely used for the manufacture of motor car crankshafts?

32 / 50

_______ possesses viscoelastic properties?

33 / 50

______ iron is produced, when molten pig iron is chilled suddenly?

34 / 50

A material is called ?ductile?, if it can be___________?

35 / 50

______ is used for examining the macro-structure of a material?

36 / 50

100% H2SO4 at 30?C can?t be stored in a vessel made/lined with _____?

37 / 50

_______ is used for determining the tensile strength of steels ?

38 / 50

Addition of _______ to the steel helps in increasing the residual magnetism in steel used for making magnets?

39 / 50

A material capable of undergoing large permanent deformation, when subjected to tension is termed as_____?

40 / 50

A hardness depth of about 3 mm can be achieved by induction hardness in _______ seconds?

41 / 50

18/8 stainless steel means, that it contains___________?

42 / 50

A metallic alloy in which one of the constituent metal is ______, is called an amalgam?

43 / 50

Acetaldehyde is shipped in _____ drums?

44 / 50

A magnetic material becomes _____ above the Curie temperature?

45 / 50

_______ iron is produced, when molten pig iron is allowed to cool gradually?

46 / 50

A material capable of undergoing large permanent deformation, when subjected to compression is termed as_____?

47 / 50

A measure of toughness of a material is its_________?

48 / 50

Addition of _______ in steel is helpful in increasing the depth of hardness?

49 / 50

________ is a donor impurity for semi-conductors ?

50 / 50

18/8 steel is a/an __________ stainless steel ?

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