MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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» E. | |
| 2. |
The commonly used base for iron and steel work, is |
| A. | Red lead |
| B. | Zinc white |
| C. | White lead |
| D. | Titanium white |
| Answer» B. Zinc white | |
| 3. |
Minimum thickness of wall where single Flemish bond can be used is |
| A. | Half brick thick |
| B. | One brick thick |
| C. | One and a half bricks thick |
| D. | Two bricks thick |
| Answer» D. Two bricks thick | |
| 4. |
A badly mixed cement concrete results in |
| A. | Segregation |
| B. | Bleeding |
| C. | Honey combing |
| D. | None of these |
| Answer» D. None of these | |
| 5. |
The trunk of tree left after cutting all the branches is known as |
| A. | Log |
| B. | Batten |
| C. | Plank |
| D. | Baulk |
| Answer» B. Batten | |
| 6. |
The rocks in which argil (or clay) predominates, are called |
| A. | Siliceous rocks |
| B. | Argillaceous rocks |
| C. | Calcareous rocks |
| D. | Igneous rocks |
| Answer» C. Calcareous rocks | |
| 7. |
Which one of the following polymers is obtained from condensation polymerization? |
| A. | Phenol formaldehyde |
| B. | Carbamide |
| C. | Melamine-formaldehyde |
| D. | All of these |
| Answer» E. | |
| 8. |
In the method of condensation polymerization, |
| A. | Low-molecular substances are removed from the high molecular substance |
| B. | The reaction proceeds with an evolution of ammonia |
| C. | The reaction proceeds with an evolution of hydrogen chloride |
| D. | All of the above |
| Answer» E. | |
| 9. |
Iron ore may contain |
| A. | Carbon |
| B. | Silicon |
| C. | Phosphorus and manganese |
| D. | All the above |
| Answer» E. | |
| 10. |
First class timber has an average life of |
| A. | Less than one year |
| B. | 1 to 5 years |
| C. | 5 to 10 years |
| D. | More than 10 years |
| Answer» E. | |
| 11. |
For slaking of 10 kg of CaO, the theoretical amount of water is |
| A. | 2.2 kg |
| B. | 1.5 kg |
| C. | 3.2 kg |
| D. | None of these |
| Answer» D. None of these | |
| 12. |
The thermosetting plastic |
| A. | Becomes rigid when moulded at suitable pressure and temperature |
| B. | At 127°C to 177°C permanently set and further application of heat does not soften it |
| C. | Chars at 343°C |
| D. | All the above |
| Answer» E. | |
| 13. |
Slate is formed by metamorphic action on |
| A. | Shale |
| B. | Lime stone |
| C. | Sand stone |
| D. | Granite |
| Answer» B. Lime stone | |
| 14. |
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» B. Lead glazing is used | |
| 15. |
Soundness of cement is tested by |
| A. | Vicat's apparatus |
| B. | Le-chatelier apparatus |
| C. | Compressive strength testing apparatus |
| D. | None of these |
| Answer» C. Compressive strength testing apparatus | |
| 16. |
Lime stone is not a |
| A. | Sedimentary rock |
| B. | Stratified rock |
| C. | Aqueous rock |
| D. | Metamorphic rock |
| Answer» E. | |
| 17. |
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» C. Adding water to quick lime | |
| 18. |
Slacking of lime is affected by |
| A. | Keeping it exposed to air |
| B. | Immersing the lime in water |
| C. | Crushing the lime lumps |
| D. | None of these |
| Answer» C. Crushing the lime lumps | |
| 19. |
The most commonly used base for timber painting, is |
| A. | Red lead |
| B. | Zinc white |
| C. | White lead |
| D. | Titanium white |
| Answer» D. Titanium white | |
| 20. |
Based on its dry weight, a freshly felled tree may contain water |
| A. | 25 % |
| B. | 50 % |
| C. | 75 % |
| D. | 100 % |
| Answer» E. | |
| 21. |
A ferrous metal is |
| A. | Cast iron |
| B. | Wrought iron |
| C. | Steel |
| D. | All the above |
| Answer» E. | |
| 22. |
Bitumen felt is used for |
| A. | Water proofing |
| B. | Damp proofing |
| C. | Both (A) and (B) |
| D. | Neither (A) nor (B) |
| Answer» D. Neither (A) nor (B) | |
| 23. |
Excess of silica in brick earth results in |
| A. | cracking and warping of bricks |
| B. | loss of cohesion |
| C. | enhancing the impermeability of bricks |
| D. | none of the above |
| Answer» C. enhancing the impermeability of bricks | |
| 24. |
Chlorite, a green colour mineral is mainly derived from the decomposition of |
| A. | Augite |
| B. | Biotite |
| C. | Hornblende |
| D. | All of these |
| Answer» B. Biotite | |
| 25. |
Stainless steel resists corrosion due to |
| A. | Carbon |
| B. | Sulphur |
| C. | Vanadium |
| D. | Chromium |
| Answer» E. | |
| 26. |
Mastic asphalt is |
| A. | Water proof |
| B. | Fire proof |
| C. | Elastic |
| D. | All the above |
| Answer» E. | |
| 27. |
Manganese steels |
| A. | Are non-magnetic |
| B. | Possess high electrical resistance |
| C. | Possess low coefficient of expansion |
| D. | All the above |
| Answer» E. | |
| 28. |
The compound of Portland cement which reacts immediately with water and also sets first is |
| A. | Tri-calcium silicate |
| B. | Di-calcium silicate |
| C. | Tri-calcium aluminate |
| D. | Tetra calcium alumino ferrite |
| Answer» D. Tetra calcium alumino ferrite | |
| 29. |
Which of the following is a rock? |
| A. | Quartz |
| B. | Mica |
| C. | Gypsum |
| D. | None of the above |
| Answer» D. None of the above | |
| 30. |
Bitumen is generally obtained from |
| A. | Organic material |
| B. | Synthetic material |
| C. | Petroleum product |
| D. | Coal |
| Answer» D. Coal | |
| 31. |
Kaolin is chemically classified as |
| A. | Metamorphic rock |
| B. | Argillaceous rock |
| C. | Calcareous rock |
| D. | Siliceous rock |
| Answer» C. Calcareous rock | |
| 32. |
Lime putty |
| A. | Is made from hydraulic lime |
| B. | Is made by adding lime to water |
| C. | Can be used only upto three days |
| D. | All of above |
| Answer» E. | |
| 33. |
Generally wooden moulds are made from |
| A. | Ply wood |
| B. | Shishum wood |
| C. | Deodar wood |
| D. | Teak wood |
| Answer» C. Deodar wood | |
| 34. |
The fire clay contains pure |
| A. | Lime |
| B. | Oxide of iron |
| C. | Hydrated aluminium silicate |
| D. | Magnesium |
| Answer» D. Magnesium | |
| 35. |
Laterite is a/an |
| A. | Volcanic rock |
| B. | Argillaceous rock |
| C. | Calcareous rock |
| D. | Siliceous rock |
| Answer» C. Calcareous rock | |
| 36. |
Jhumb bricks are |
| A. | Under burnt |
| B. | Over burnt |
| C. | Kutcha |
| D. | None of these |
| Answer» C. Kutcha | |
| 37. |
The specific gravity of marble, is |
| A. | 2.50 |
| B. | 2.60 |
| C. | 2.66 |
| D. | 2.72 |
| Answer» E. | |
| 38. |
The rocks formed by gradual deposition, are called |
| A. | Sedimentary rocks |
| B. | Igneous rocks |
| C. | Metamorphic rocks |
| D. | None of these |
| Answer» B. Igneous rocks | |
| 39. |
The foliated structure is very common in |
| A. | Sedimentary rocks |
| B. | Igneous rocks |
| C. | Metamorphic rocks |
| D. | None of these |
| Answer» D. None of these | |
| 40. |
The size of mould for bricks, is generally kept |
| A. | A little large to specified size |
| B. | A little small to specified size |
| C. | Equal to specified size |
| D. | 10% larger than specified size |
| Answer» B. A little small to specified size | |
| 41. |
Calcination of iron ores is done |
| A. | To remove moisture |
| B. | To remove carbonic acid |
| C. | By roasting in heaps |
| D. | All the above |
| Answer» E. | |
| 42. |
Invar contains |
| A. | 12% of nickel |
| B. | 24% of nickel |
| C. | 30% of nickel |
| D. | 36% of nickel |
| Answer» E. | |
| 43. |
Stones used for the construction of retaining walls must be |
| A. | Soft |
| B. | Hard |
| C. | Light |
| D. | Heavy |
| Answer» E. | |
| 44. |
Which of the following timbers is suitable for making sports goods? |
| A. | Mulberry |
| B. | Mahogany |
| C. | Sal |
| D. | Deodar |
| Answer» B. Mahogany | |
| 45. |
Which of the following is a mineral? |
| A. | Basalt |
| B. | Granite |
| C. | Quartz |
| D. | Syenite |
| Answer» D. Syenite | |
| 46. |
Plaster of Paris is obtained by calcining |
| A. | Bauxite |
| B. | Gypsum |
| C. | Lime stone |
| D. | None of these |
| Answer» C. Lime stone | |
| 47. |
Most commonly used solvent in oil paints, is |
| A. | Petroleum |
| B. | Spirit |
| C. | Coal tar |
| D. | Turpentine |
| Answer» B. Spirit | |
| 48. |
The commonly used thinner in oil paints, is |
| A. | Naphtha |
| B. | Turpentine |
| C. | Both (a) and (b) |
| D. | None the these |
| Answer» D. None the these | |
| 49. |
A well seasoned timber may contain moisture up to |
| A. | 4 to 6 % |
| B. | 6 to 8 % |
| C. | 8 to 10 % |
| D. | 10 to 12 % |
| Answer» E. | |
| 50. |
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» B. To make the brick durable | |