The Following Section consists of Multiple Choice Questions on Materials and Construction.
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Materials and Construction MCQ
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Question 1 of 20
1. Question
1 pointsThe behaviour of visco-elastic material is time dependent. This behaviour is common in __________ materials.
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Question 2 of 20
2. Question
1 pointsCoke oven regenerators are made of __________ bricks.
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Question 3 of 20
3. Question
1 pointsWhich of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals) ?
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Question 4 of 20
4. Question
1 pointsShock resisting steels should possess high
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Question 5 of 20
5. Question
1 pointsThe purpose of nitriding the steel is to
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Question 6 of 20
6. Question
1 pointsCeramic recuperators are generally made of
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Question 7 of 20
7. Question
1 pointsHammers and railway rails are normally made of
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Question 8 of 20
8. Question
1 pointsSoftness of silver can be converted into hardness by alloying it with small quantity of
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Question 9 of 20
9. Question
1 pointsThe addition of antimony in tin-based alloys improves its
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Question 10 of 20
10. Question
1 pointsThe melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability ?
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Question 11 of 20
11. Question
1 pointsThe main purpose of galvanising iron sheets is to
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Question 12 of 20
12. Question
1 pointsThe impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.
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Question 13 of 20
13. Question
1 pointsInvar used in thermocouples is an alloy of nickel and
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Question 14 of 20
14. Question
1 pointsNickel (56%) and molybdenum (17%) alloys are called
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Question 15 of 20
15. Question
1 pointsConstituents of stellite are
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Question 16 of 20
16. Question
1 pointsResidual magnetism in steel for magnets is increased by the addition of
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Question 17 of 20
17. Question
1 pointsAcetylene gas holder is made of
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Question 18 of 20
18. Question
1 pointsSulphur melting pit in the sulphuric acid plant is made of
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Question 19 of 20
19. Question
1 pointsThe hardest material just prior to diamond in Mho’s scale is
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Question 20 of 20
20. Question
1 pointsPercentage elongation of a material is a measure of its
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Materials and Construction MCQ 2
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Question 1 of 20
1. Question
1 pointsChlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with
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Question 2 of 20
2. Question
1 pointsHeavy duty bearings are usually made of
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Question 3 of 20
3. Question
1 pointsDielectric strength of a material is
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Question 4 of 20
4. Question
1 pointsWhich of the following stainless steels is non-magnetic ?
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Question 5 of 20
5. Question
1 points18-4-1 high speed steel contains 18%, 4% and 1% respectively of
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Question 6 of 20
6. Question
1 pointsAluminium as a material of construction suffers from the disadvantage of
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Question 7 of 20
7. Question
1 pointsBabbit metal used for bearings is a____base alloy.
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Question 8 of 20
8. Question
1 points18/8 steel is a/an __________ stainless steel.
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Question 9 of 20
9. Question
1 pointsCast iron has very high
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Question 10 of 20
10. Question
1 pointsLiquid ammonia is shipped in __________ containers.
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Question 11 of 20
11. Question
1 pointsCermets are __________ materials.
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Question 12 of 20
12. Question
1 pointsCast irons are generally specified by their
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Question 13 of 20
13. Question
1 pointsAustenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese.
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Question 14 of 20
14. Question
1 pointsWhite cast iron is not
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Question 15 of 20
15. Question
1 pointsGalvanised iron is
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Question 16 of 20
16. Question
1 pointsGerman silver used for decorative purposes contains maximum percentage of
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Question 17 of 20
17. Question
1 pointsThe metals occuring at the lower most position in the electromotive series
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Question 18 of 20
18. Question
1 pointsGerman silver in an alloy of
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Question 19 of 20
19. Question
1 pointsA suitable material of construction to use with fuming sulphuric acid is
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Question 20 of 20
20. Question
1 pointsWhich of the following crystal structures characterises the austenitic stainless steel?
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Materials and Construction MCQ 3
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Question 1 of 20
1. Question
1 pointsCaustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
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Question 2 of 20
2. Question
1 pointsAddition of __________ in steel can help in increasing the depth of hardness.
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Question 3 of 20
3. Question
1 pointsWhich of the following has the highest compressive strength ?
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Question 4 of 20
4. Question
1 pointsZinc is not used
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Question 5 of 20
5. Question
1 pointsRefined acetic acid storage vessel are made of
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Question 6 of 20
6. Question
1 pointsAddition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets.
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Question 7 of 20
7. Question
1 pointsConstantan is an alloy of
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Question 8 of 20
8. Question
1 pointsBabbit metals used for making bearings are
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Question 9 of 20
9. Question
1 pointsPipes for bi-cycle frames are made of __________ steel.
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Question 10 of 20
10. Question
1 pointsWhich of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?
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Question 11 of 20
11. Question
1 pointsInterchain forces are the weakest in case of
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Question 12 of 20
12. Question
1 points__________ possesses viscoelastic properties.
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Question 13 of 20
13. Question
1 pointsSteel tower used for the storage of oleum
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Question 14 of 20
14. Question
1 pointsAcetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of
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Question 15 of 20
15. Question
1 pointsBrass is an alloy of
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Question 16 of 20
16. Question
1 pointsLead
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Question 17 of 20
17. Question
1 pointsPhotographic plates are coated with
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Question 18 of 20
18. Question
1 pointsCast iron has
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Question 19 of 20
19. Question
1 pointsLocomotive boiler tubes are made of __________ alloys.
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Question 20 of 20
20. Question
1 pointsSlow and progressive deformation of a material with time under constant stress is called
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Materials and Construction MCQ 4
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Question 1 of 20
1. Question
1 pointsWhich of the following heat treatment processes is used for softening the hardened material ?
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Question 2 of 20
2. Question
1 pointsWhich of the following mechanical properties of a material is most structure insensitive ?
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Question 3 of 20
3. Question
1 pointsMercury is transported in metal containers made of
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Question 4 of 20
4. Question
1 pointsWhich of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ?
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Question 5 of 20
5. Question
1 pointsWhich of the following has the least carbon percentage ?
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Question 6 of 20
6. Question
1 pointsThe range of Mho’s scale of hardness is from
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Question 7 of 20
7. Question
1 pointsWhich of the following pairs of elements may form an alloy ?
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Question 8 of 20
8. Question
1 pointsCarbon percentage in medium carbon steel is around
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Question 9 of 20
9. Question
1 pointsThe preferred material of construction for storage tanks for 98% sulphuric acid is
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Question 10 of 20
10. Question
1 pointsThe fermentor used for the production of ethyl alcohol from molasses is made of
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Question 11 of 20
11. Question
1 pointsSuper conductors are those substances, which
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Question 12 of 20
12. Question
1 pointsA hardened steel essentially contains
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Question 13 of 20
13. Question
1 pointsWhich one contains the least percentage of carbon ?
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Question 14 of 20
14. Question
1 pointsThermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
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Question 15 of 20
15. Question
1 pointsAll materials obey Hooke’s law within elastic limit. When elastic limit is reached, the tensile strain
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Question 16 of 20
16. Question
1 pointsSilico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)
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Question 17 of 20
17. Question
1 pointsWhich of the following is not a copper based alloy with nickel ?
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Question 18 of 20
18. Question
1 pointsWhich of the following alloys does not contain nickel ?
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Question 19 of 20
19. Question
1 pointsAn elastic behaviour of materials is expressed in terms of
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Question 20 of 20
20. Question
1 pointsPure nickel is
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