MCQOPTIONS
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MCQOPTIONS
This section includes 407 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cast steel is manufactured by |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process. |
| Answer» C. Bessemer process | |
| 2. |
The weight of 1 m of brick earth, is about |
| A. | 1200 kg |
| B. | 1500 kg |
| C. | 1800 kg |
| D. | 2000 kg. |
| Answer» D. 2000 kg. | |
| 3. |
Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following: |
| A. | absence of sun light |
| B. | dampness |
| C. | presence of sap |
| D. | stagnant air |
| E. | All the above, |
| Answer» F. | |
| 4. |
Dolomite is a lime stone which contains carbonate of magnesia upto |
| A. | 15% |
| B. | 20% |
| C. | 25% |
| D. | 35% |
| E. | 45%. |
| Answer» F. | |
| 5. |
For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of |
| A. | 1 : 2 |
| B. | 1 : 3 |
| C. | 1 : 4 |
| D. | 1 : 6 |
| Answer» C. 1 : 4 | |
| 6. |
If is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is |
| A. | 0.70 P |
| B. | 0.75 P |
| C. | 0.80 P |
| D. | 0.85 P |
| Answer» E. | |
| 7. |
The weight of 1 m3 of brick earth, is about |
| A. | 1200 kg |
| B. | 1500 kg |
| C. | 1800 kg |
| D. | 2000 kg |
| Answer» D. 2000 kg | |
| 8. |
Assertion A : Pure lime takes a long time to develop adequate strength. Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below: |
| A. | Both A and R is true and R is correct explanation of A |
| B. | Both A and R is true and R is not a correct explanation of A |
| C. | A is true but R is false |
| D. | A is false but R is true |
| Answer» B. Both A and R is true and R is not a correct explanation of A | |
| 9. |
Plywood is made by bonding together thin layers of wood in such a way that the angle between grains of any layer to grains of adjacent layers is |
| A. | 0 |
| B. | 30 |
| C. | 45 |
| D. | 90 |
| Answer» E. | |
| 10. |
The initial setting time for ordinary Portland cement as per IS specifications should not be less than |
| A. | 10 minutes |
| B. | 30 minutes |
| C. | 60 minutes |
| D. | 600 minutes |
| Answer» C. 60 minutes | |
| 11. |
Compared to mild steel, cast iron has(i) High compressive strength(ii) High tensile strength(iii) Low compressive strength(iv) Low tensile strengthThe correct answer is |
| A. | (i) and (ii) |
| B. | (ii) and (iii) |
| C. | (iii) and (iv) |
| D. | (i) and (iv) |
| Answer» E. | |
| 12. |
Which of the following stone is best suited for construction of piers and abutments of a railway bridge? |
| A. | Granite |
| B. | Sand stone |
| C. | Lime stone |
| D. | Quartzite |
| Answer» B. Sand stone | |
| 13. |
In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is |
| A. | Right angles |
| B. | 45 |
| C. | 60 |
| D. | Parallel |
| Answer» B. 45 | |
| 14. |
In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is |
| A. | right angles |
| B. | 45 |
| C. | 60 |
| D. | parallel |
| Answer» B. 45 | |
| 15. |
The maximum quantity of calcium chloride used as an accelerator in cement in percentage by weight of cement is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 16. |
The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called |
| A. | Plutonic rocks |
| B. | Hypabyssal rocks |
| C. | Volcanic rocks |
| D. | Igneous rocks |
| Answer» C. Volcanic rocks | |
| 17. |
The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called |
| A. | Plutonic rocks |
| B. | Hypabyssal rocks |
| C. | Volcanic rocks |
| D. | Igneous rocks. |
| Answer» C. Volcanic rocks | |
| 18. |
Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite The correct answer is |
| A. | Only (iii) |
| B. | Both (i) and (iii) |
| C. | Both (ii) and (iii) |
| D. | All (i), (ii) and (iii) |
| Answer» C. Both (ii) and (iii) | |
| 19. |
Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below: |
| A. | Both A and R is true and, R is the correct explanation of A |
| B. | Both A and R is true but R is not the correct explanation of A |
| C. | A is true but R is false |
| D. | A is false but R is true |
| Answer» B. Both A and R is true but R is not the correct explanation of A | |
| 20. |
Study the following statements.(i) Hydraulic lime is suitable for white washing,(ii) Fat lime is suitable for whitewashing,(iii) Hydraulic lime is suitable for making mortar,(iv) Fat lime is suitable for making mortar.The correct answer is |
| A. | (i) and (iv) |
| B. | (ii) and (iii) |
| C. | (i) and (ii) |
| D. | (iii) and (iv) |
| Answer» C. (i) and (ii) | |
| 21. |
Quick lime is(i) Slow in setting(ii) Rapid in slacking(iii) Good in strengthThe correct answer is |
| A. | Only (i) |
| B. | Only (ii) |
| C. | Both (i) and (ii) |
| D. | Both (ii) and (iii) |
| Answer» D. Both (ii) and (iii) | |
| 22. |
Portland cement manufactured from pure white chalk and clay, free from iron-oxide, known as |
| A. | quick setting cement |
| B. | rapid hardening cement |
| C. | white cement |
| D. | low heat Portland cement. |
| Answer» D. low heat Portland cement. | |
| 23. |
If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced, is called |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White or forge pig |
| D. | Mottled pig |
| Answer» D. Mottled pig | |
| 24. |
The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process |
| Answer» B. Crucible process | |
| 25. |
Proper amount of entrained air in concrete results in(i) Better workability(ii) Better resistance to freezing and thawing(iii) Lesser workability(iv) Less resistance to freezing and thawingThe correct answer is |
| A. | (i) and (ii) |
| B. | (i) and (iv) |
| C. | (ii) and (iii) |
| D. | (iii) and (iv) |
| Answer» B. (i) and (iv) | |
| 26. |
Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rockThe correct answer is |
| A. | Only (i) |
| B. | Both (i) and (ii) |
| C. | Both (i) and (iii) |
| D. | All (i), (ii) and (iii) |
| Answer» E. | |
| 27. |
The cracks which extend from bark towards the sap wood in the cross section of a tree, are called |
| A. | radial shakes |
| B. | star shakes |
| C. | heart shakes |
| D. | cup shakes. |
| Answer» C. heart shakes | |
| 28. |
The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout |
| A. | The monsoon |
| B. | The winter |
| C. | The summer |
| D. | None of these |
| Answer» B. The winter | |
| 29. |
Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: |
| A. | Alumina |
| B. | Lime |
| C. | Iron-oxide |
| D. | Magnesia |
| Answer» B. Lime | |
| 30. |
The portion of the brick without a triangular corner equal to half the width and half the length, is called |
| A. | Closer |
| B. | Queen closer |
| C. | King closer |
| D. | Squint brick |
| Answer» D. Squint brick | |
| 31. |
The portion of the brick without a triangular corner equal to half the width and half the length, is called |
| A. | closer |
| B. | queen closer |
| C. | king closer |
| D. | Squint brick. |
| Answer» D. Squint brick. | |
| 32. |
Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? |
| A. | Lime stone and alumina |
| B. | Silica and alkalies |
| C. | Alumina and iron |
| D. | Alkalies and magnesium |
| Answer» C. Alumina and iron | |
| 33. |
Which of the following cements is suitable for use in massive concrete structures such as large dams? |
| A. | Ordinary Portland cement |
| B. | Low heat cement |
| C. | Rapid hardening cement |
| D. | Sulphate resisting cement |
| Answer» C. Rapid hardening cement | |
| 34. |
The preparation of surface of stone to obtain plain edges or to obtain stones of required size and shape is known as |
| A. | Quarrying of stones |
| B. | Blasting of stones |
| C. | Seasoning of stones |
| D. | Dressing of stones |
| Answer» E. | |
| 35. |
The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as |
| A. | Knots |
| B. | Rindgalls |
| C. | Burls |
| D. | None of these |
| Answer» C. Burls | |
| 36. |
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called: |
| A. | Radial shakes |
| B. | Heart shakes |
| C. | Wind cracks |
| D. | Twisted fibres |
| Answer» D. Twisted fibres | |
| 37. |
Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following: |
| A. | Absence of sun light |
| B. | Dampness |
| C. | Presence of sap |
| D. | All the above |
| Answer» E. | |
| 38. |
Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a |
| A. | Cant |
| B. | Deal |
| C. | Baulk |
| D. | Strip |
| Answer» D. Strip | |
| 39. |
A piece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a |
| A. | cant |
| B. | deal |
| C. | baulk |
| D. | strip. |
| Answer» D. strip. | |
| 40. |
Pick up the constituent of good brick earth whose excess causes the raw bricks shrink and warp during drying and burning, from the following: |
| A. | Alumina |
| B. | Lime |
| C. | Iron oxide |
| D. | Magnesia. |
| Answer» B. Lime | |
| 41. |
The portion of the brick cut across its width and having its length equal to that of a full brick, is known as |
| A. | Closer |
| B. | Queen closer |
| C. | King closer |
| D. | Prince closer |
| Answer» C. King closer | |
| 42. |
In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as |
| A. | English bond |
| B. | Double Flemish bond |
| C. | Zigzag bond |
| D. | Single Flemish bond |
| Answer» C. Zigzag bond | |
| 43. |
The weight of a good quality brick when immersed in water for a period of 16 hours should not exceed the weight of dry brick |
| A. | 20 % |
| B. | 15 % |
| C. | 10 % |
| D. | None of these |
| Answer» B. 15 % | |
| 44. |
The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to |
| A. | Grey cast iron |
| B. | White cast iron |
| C. | Mottled cast iron |
| D. | Toughed cast iron |
| Answer» D. Toughed cast iron | |
| 45. |
Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called |
| A. | Bessemer pig |
| B. | Grey or foundry pig |
| C. | White or forge pig |
| D. | Mottled pig |
| Answer» C. White or forge pig | |
| 46. |
Assertion A : Normally turpentine oil is recommended as thinner for indoor painting. Reason R : Turpentine oil is costlier than other thinners. Select your answer according to the coding system given below: |
| A. | Both A and R is true and R is the correct explanation of A |
| B. | Both A and R is true but R is not the correct explanation of A |
| C. | A is true but R is false |
| D. | A is false but R is true |
| Answer» C. A is true but R is false | |
| 47. |
The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as |
| A. | Cementation process |
| B. | Crucible process |
| C. | Bessemer process |
| D. | Open hearth process |
| Answer» C. Bessemer process | |
| 48. |
Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as |
| A. | Quick setting cement |
| B. | Rapid hardening cement |
| C. | White cement |
| D. | Low heat Portland cement |
| Answer» D. Low heat Portland cement | |
| 49. |
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than |
| A. | 7 MPa |
| B. | 11.5 MPa |
| C. | 16 MPa |
| D. | 21 MPa |
| Answer» D. 21 MPa | |
| 50. |
Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica |
| A. | Basalt and marble are the only metamorphic rocks |
| B. | There is no sedimentary rock |
| C. | Granite is the only igneous rock |
| D. | Quartz and mica are minerals |
| Answer» E. | |