McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 1. |
Which of the following has more fire resisting characteristics? |
| A. | Marble |
| B. | Lime stone |
| C. | Compact sand stone |
| D. | Granite |
| Answer» C. Compact sand stone | |
| 2. |
The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called |
| A. | Plutonic rocks |
| B. | Hypabyssal rocks |
| C. | Volcanic rocks |
| D. | Igneous rocks |
| Answer» A. Plutonic rocks | |
| 3. |
Plywood has the advantage of |
| A. | Greater tensile strength in longer direction |
| B. | Greater tensile strength in shorter direction |
| C. | Same tensile strength in all directions |
| D. | None of the above |
| Answer» C. Same tensile strength in all directions | |
| 4. |
Due to attack of dry rot, the timber |
| A. | Cracks |
| B. | Shrinks |
| C. | Reduces to powder |
| D. | None of these |
| Answer» C. Reduces to powder | |
| 5. |
Excess of alumina in brick earth makes the brick |
| A. | Impermeable |
| B. | Brittle and weak |
| C. | To lose cohesion |
| D. | To crack and warp on drying |
| Answer» D. To crack and warp on drying | |
| 6. |
Pick up the correct statement from the following: |
| A. | In stone arches, the stones are placed with their natural beds radial |
| B. | In cornices, the stones are placed with their natural beds as vertical |
| C. | In stone walls, the stones are placed with their natural beds as horizontal |
| D. | All the above |
| Answer» D. All the above | |
| 7. |
The constituent of cement which is responsible for all the undesirable properties of cement is |
| A. | Di-calcium silicate |
| B. | Tri-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» C. Tri-calcium aluminate | |
| 8. |
Inner part of a timber log surrounding the pitch, is called |
| A. | Sapwood |
| B. | Cambium layer |
| C. | Heart wood |
| D. | None to these |
| Answer» C. Heart wood | |
| 9. |
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» B. 1 : 3 | |
| 10. |
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» D. 0.85 P | |
| 11. |
The basic purpose of a retarder in concrete is |
| A. | To increase the initial setting time of cement paste in concrete |
| B. | To decrease the initial setting time of cement paste in concrete |
| C. | To render the concrete more water tight |
| D. | To improve the workability of concrete mix |
| Answer» A. To increase the initial setting time of cement paste in concrete | |
| 12. |
Clay and silt content in a good brick earth must be at least |
| A. | 50 % |
| B. | 40 % |
| C. | 30 % |
| D. | 25 % |
| Answer» A. 50 % | |
| 13. |
Which of the following is the purest form of iron? |
| A. | Cast iron |
| B. | Wrought iron |
| C. | Mild steel |
| D. | High carbon steel |
| Answer» B. Wrought iron | |
| 14. |
If the iron ore contains clay as an impurity, the flux added during calcination, is |
| A. | Clay |
| B. | Lime stone |
| C. | Argillaceous iron ore |
| D. | All the above |
| Answer» B. Lime stone | |
| 15. |
The stretcher bond in brick masonry can be used only when the thickness of wall is |
| A. | 90 mm |
| B. | 180 mm |
| C. | 190 mm |
| D. | 280 mm |
| Answer» A. 90 mm | |
| 16. |
The plywood |
| A. | Has good strength along the panel only |
| B. | Can be spilt in the plane of the panel |
| C. | Has greater impact resistance to blows than ordinary wood |
| D. | Cannot be bent more easily than ordinary wood of same thickness |
| Answer» C. Has greater impact resistance to blows than ordinary wood | |
| 17. |
Pick up the correct statement from the following: |
| A. | The phenol is carbolic acid |
| B. | The phenol is either extracted from coal-tar or prepared from benzene |
| C. | Phenol reacts with formaldehyde, to form phenol formaldehyde resin |
| D. | All the above |
| Answer» D. All the above | |
| 18. |
Advantage of a clamp compared to a kiln for burning bricks is that |
| A. | It takes less time for burning |
| B. | It gives more output of first class bricks |
| C. | It has less initial cost |
| D. | It is suitable when bricks are required in large numbers |
| Answer» C. It has less initial cost | |
| 19. |
Pick up the correct statement from the following: |
| A. | Solder material is an alloy which melts at a temperature above 400°C |
| B. | Brazing is done at temperature above 600°C to 1100°C |
| C. | Brazing joint is stronger than the solder joint |
| D. | All the above |
| Answer» D. All the above | |
| 20. |
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» A. Both A and R is true and R is correct explanation of A | |
| 21. |
During pudding |
| A. | Molten metal is kept clear of the fuel |
| B. | Carbon is converted into carbonic acid gas |
| C. | Silicon forms a slag |
| D. | All the above |
| Answer» D. All the above | |
| 22. |
Early attainment of strength in rapid hardening cement is mainly due to |
| A. | Gypsum |
| B. | Finer grinding |
| C. | Tri-calcium silicate |
| D. | Tri-calcium aluminate |
| Answer» B. Finer grinding | |
| 23. |
Pick up the correct statement from the following: |
| A. | Quick lime is obtained by burning pure lime stone |
| B. | Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% |
| C. | Poor lime is obtained by burning lime stone containing impurities more than 5% |
| D. | All the above |
| Answer» D. All the above | |
| 24. |
Which of the following cements contains maximum percentage of dicalcium silicate? |
| A. | Ordinary Portland cement |
| B. | Low heat cement |
| C. | Rapid hardening cement |
| D. | Sulphate resisting cement |
| Answer» B. Low heat cement | |
| 25. |
Pick up the incorrect statement from the following: |
| A. | Hydraulic lime is generally obtained by burning kankar |
| B. | Hydraulic lime sets slowly as compared to fat lime |
| C. | Hydraulic lime is generally used in lime mortar |
| D. | None of these |
| Answer» D. None of these | |
| 26. |
Which of the following stresses is used for identifying the quality of structural steel? |
| A. | Ultimate stress |
| B. | Yield stress |
| C. | Proof stress |
| D. | None of the above |
| Answer» B. Yield stress | |
| 27. |
Quick lime |
| A. | Generates heat when added to water |
| B. | Reacts with carbon dioxide |
| C. | May be used for white-washing |
| D. | All the above |
| Answer» D. All the above | |
| 28. |
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» B. Both A and R is true but R is not the correct explanation of A | |
| 29. |
Putty is |
| A. | Made with finely powdered chalk and linseed oil |
| B. | Used for fixing glass panes |
| C. | Softened by a solution of pearl ash and quick-lime soaked in water |
| D. | All the above |
| Answer» D. All the above | |
| 30. |
A mortar joint in masonry which is normal to the face of wall is known as |
| A. | Bed joint |
| B. | Wall joint |
| C. | Cross joint |
| D. | Bonded joint |
| Answer» C. Cross joint | |
| 31. |
A volatile substance added to a paint to make its application easy and smooth, is known as |
| A. | Base |
| B. | Solvent |
| C. | Vehicle |
| D. | None to these |
| Answer» B. Solvent | |
| 32. |
Jumper is a tool used for |
| A. | Testing of stones |
| B. | Quarrying of stones |
| C. | Dressing of stones |
| D. | None of the above |
| Answer» B. Quarrying of stones | |
| 33. |
Pick up the volcanic rock from the following: |
| A. | Granite |
| B. | Dolerite |
| C. | Basalt |
| D. | All the above |
| Answer» C. Basalt | |
| 34. |
Sapwood consists of |
| A. | Innermost annular rings around the pith |
| B. | Portion of timber between heartwood and cambium layer |
| C. | Thin layers below the bark |
| D. | Thin fibre which extends from the pith outwards and holds the annular rings together |
| Answer» B. Portion of timber between heartwood and cambium layer | |
| 35. |
Strength of cement concrete primarily depends upon |
| A. | Quality of water |
| B. | Quantity of aggregate |
| C. | Quantity of cement |
| D. | Water-cement ratio |
| Answer» D. Water-cement ratio | |
| 36. |
The main function of alumina in brick earth is |
| A. | To impart plasticity |
| B. | To make the brick durable |
| C. | To prevent shrinkage |
| D. | To make the brick impermeable |
| Answer» A. To impart plasticity | |
| 37. |
Cast iron |
| A. | Is obtained by purifying pig iron |
| B. | Is manufactured in required shapes |
| C. | May contain 2 to 5 per cent of carbon with other impurities |
| D. | All the above |
| Answer» D. All the above | |
| 38. |
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» B. Silica and alkalies | |
| 39. |
Pick up the correct statement from the following: |
| A. | The distinct plane of division along which a stone can easily be split, is called natural bed of stone |
| B. | The natural bed of sedimentary rocks is along the planes of stratification |
| C. | The natural bed of igneous rocks is not defined |
| D. | All the above |
| Answer» D. All the above | |
| 40. |
Hydraulic lime is obtained by |
| A. | Burning of lime stone |
| B. | Burning of kankar |
| C. | Adding water to quick lime |
| D. | Calcination of pure clay |
| Answer» B. Burning of kankar | |
| 41. |
Oil varnish generally consists of |
| A. | Synthetic resin and spirit |
| B. | Oil, wax and resin |
| C. | Resin, oil and turpentine |
| D. | Spirit, oil and wax |
| Answer» C. Resin, oil and turpentine | |
| 42. |
For testing compressive strength of cement, the size of cube used is |
| A. | 50 mm |
| B. | 70.6 mm |
| C. | 100 mm |
| D. | 150 mm |
| Answer» B. 70.6 mm | |
| 43. |
When a brick is immersed in water for 24 hours and then dried, if |
| A. | No grey or white deposits appear on the surface, the brick is free from soluble salts |
| B. | 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence |
| C. | 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence |
| D. | All the above |
| Answer» D. All the above | |
| 44. |
For sanitary pipes and chemical stonewares, |
| A. | Salt glazing is used |
| B. | Lead glazing is used |
| C. | Opaque glazing is used |
| D. | None of these |
| Answer» A. Salt glazing is used | |
| 45. |
The most commonly used retarder in cement is |
| A. | Gypsum |
| B. | Calcium chloride |
| C. | Calcium carbonate |
| D. | None of the above |
| Answer» A. Gypsum | |
| 46. |
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» B. Hypabyssal rocks | |
| 47. |
The ratio of the thickness of web to that of flange of steel rolled structural beams and channels is |
| A. | Less than 1 |
| B. | Equal to 1 |
| C. | Greater than 1 |
| D. | Less than 1 in beams but greater than 1 in channels |
| Answer» A. Less than 1 | |
| 48. |
Non acid-resistant asbestos is: |
| A. | Tremolite asbestos |
| B. | Chrysotile asbestos |
| C. | Amosite asbestos |
| D. | None of these |
| Answer» B. Chrysotile asbestos | |
| 49. |
The pressure acting on the stones in stone masonry construction should be |
| A. | Along the direction of bedding planes |
| B. | At 45° to the direction of bedding planes |
| C. | At 60° to the direction of bedding planes |
| D. | Perpendicular to the direction of bedding planes |
| Answer» D. Perpendicular to the direction of bedding planes | |
| 50. |
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» A. Alumina | |
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