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. |
The internal size of mould used in brick preparation is |
| A. | Equal to the size of a fully burnt brick |
| B. | Smaller than the size of a fully burnt brick |
| C. | Greater than the size of a fully burnt brick |
| D. | None of the above |
| Answer» D. None of the above | |
| 2. |
According to IS 399-1963, the weight of the timber is specified at |
| A. | 8% moisture content |
| B. | 10% moisture content |
| C. | 12% moisture content |
| D. | 14% moisture content |
| Answer» D. 14% moisture content | |
| 3. |
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. | |
| 4. |
Bullet proof glass is made of thick glass sheet sandwiched by a layer of |
| A. | Steel |
| B. | Stainless steel |
| C. | High test plastic |
| D. | Chromium plate |
| Answer» D. Chromium plate | |
| 5. |
Spalling hammer is used for |
| A. | Driving wooden headed chisels |
| B. | Rough dressing of stones |
| C. | Carving of stones |
| D. | Breaking small projection of stones |
| Answer» C. Carving of stones | |
| 6. |
The stone suitable for rubble masonry should be. |
| A. | Hard |
| B. | Tough |
| C. | Heavy |
| D. | Light |
| Answer» B. Tough | |
| 7. |
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. | |
| 8. |
Which of the following sedimentary rocks changes into quartzite by metamorphic action? |
| A. | Sand stone |
| B. | Lime stone |
| C. | Shale |
| D. | Gypsum |
| Answer» B. Lime stone | |
| 9. |
Index number expressing the relative sizes of both coarse and fine aggregates, is called |
| A. | Proportioning of aggregates |
| B. | Fineness modulus |
| C. | Grading of aggregates |
| D. | None of these |
| Answer» C. Grading of aggregates | |
| 10. |
The proportions of lime and sand in the mortar normally used in brick construction are |
| A. | 1 : 2 |
| B. | 1 : 4 |
| C. | 1 : 6 |
| D. | 1 : 8 |
| Answer» B. 1 : 4 | |
| 11. |
The percentage of alumina and silica in good fire clay vary respectively is |
| A. | 25, 75 |
| B. | 30, 70 |
| C. | 35, 65 |
| D. | All of these |
| Answer» B. 30, 70 | |
| 12. |
A queen closer is a |
| A. | Brick laid with its length parallel to the face or direction of wall |
| B. | Brick laid with its breadth parallel to the face or direction of wall |
| C. | Brick having the same length and depth as the other bricks but half the breadth |
| D. | Brick with half the width at one end and full width at the other |
| Answer» D. Brick with half the width at one end and full width at the other | |
| 13. |
Asbestos |
| A. | Is a natural fibrous mineral substance |
| B. | Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) |
| C. | Contains iron oxide and alumina |
| D. | All the above |
| Answer» E. | |
| 14. |
The ultimate tensile strength of structural mild steel is about |
| A. | 160 N/mm² |
| B. | 260 N/mm² |
| C. | 420 N/mm² |
| D. | 520 N/mm² |
| Answer» D. 520 N/mm² | |
| 15. |
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 | |
| 16. |
The most common admixture which is used to accelerate the initial set of concrete is |
| A. | Gypsum |
| B. | Calcium chloride |
| C. | Calcium carbonate |
| D. | None of the above |
| Answer» C. Calcium carbonate | |
| 17. |
A bull nose brick is not used for |
| A. | Rounding off sharp corners |
| B. | Pillars |
| C. | Decoration purpose |
| D. | Arches |
| Answer» E. | |
| 18. |
After storage, the strength of cement |
| A. | Decreases |
| B. | Increases |
| C. | Remains same |
| D. | May increase or decrease |
| Answer» B. Increases | |
| 19. |
The main ingredients of Portland cement are |
| A. | Lime and silica |
| B. | Lime and alumina |
| C. | Silica and alumina |
| D. | Lime and iron |
| Answer» B. Lime and alumina | |
| 20. |
Which one of the following is used for preparing porcelain? |
| A. | Clay |
| B. | Feldspar |
| C. | Quartz |
| D. | All of these |
| Answer» E. | |
| 21. |
Number of bricks required for one cubic metre of brick masonry is |
| A. | 400 |
| B. | 450 |
| C. | 500 |
| D. | 550 |
| Answer» D. 550 | |
| 22. |
Veneering means |
| A. | Carving out designs on timber planks |
| B. | Chemically treating timber planks |
| C. | Thick layer of superior wood glued to inferior wood |
| D. | Thin layer of superior wood glued to inferior wood |
| Answer» D. Thin layer of superior wood glued to inferior wood | |
| 23. |
Which of the following ingredients of the brick earth enables the brick to retain its shape? |
| A. | Alumina |
| B. | Silica |
| C. | Iron |
| D. | Magnesia |
| Answer» C. Iron | |
| 24. |
Bitumen may be dissolved in |
| A. | Carbondioxide |
| B. | Water |
| C. | Sodium chloride |
| D. | Carbon disulphide |
| Answer» E. | |
| 25. |
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. | |
| 26. |
Soundness of cement is tested by |
| A. | Vicats apparatus |
| B. | Le-chatelier apparatus |
| C. | Compressive strength testing apparatus |
| D. | None of these |
| Answer» C. Compressive strength testing apparatus | |
| 27. |
Which of the following trees yields hard wood? |
| A. | Deodar |
| B. | Chir |
| C. | Shishum |
| D. | Pine |
| Answer» D. Pine | |
| 28. |
Cast iron contains carbon approximately |
| A. | 1.5% to 5.5% |
| B. | 0.05% to 1.75% |
| C. | 0.250 % |
| D. | None to these |
| Answer» B. 0.05% to 1.75% | |
| 29. |
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 | |
| 30. |
The tendency of a stone is, to split along: |
| A. | Texture |
| B. | Fracture |
| C. | Cleavage |
| D. | Structure |
| Answer» D. Structure | |
| 31. |
Which of the following is a rock? |
| A. | Quartz |
| B. | Mica |
| C. | Gypsum |
| D. | None of the above |
| Answer» D. None of the above | |
| 32. |
Seasoning of timber is done |
| A. | To make it water proof |
| B. | To paint its surface |
| C. | To increase its temperature |
| D. | To remove water |
| Answer» E. | |
| 33. |
Gypsum is a |
| A. | Mechanically formed sedimentary rock |
| B. | Igneous rock |
| C. | Chemically precipitated sedimentary rock |
| D. | Metamorphic rock |
| Answer» D. Metamorphic rock | |
| 34. |
Blister steel |
| A. | Is obtained by cementation process |
| B. | Is full of fissures and cavities |
| C. | Can be easily welded |
| D. | All the above |
| Answer» E. | |
| 35. |
The type of bond provided in brick masonry for carrying heavy loads is |
| A. | Single Flemish bond |
| B. | Double Flemish bond |
| C. | English bond |
| D. | Zigzag bond |
| Answer» D. Zigzag bond | |
| 36. |
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 | |
| 37. |
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» E. | |
| 38. |
Non acid-resistant asbestos is: |
| A. | Tremolite asbestos |
| B. | Chrysotile asbestos |
| C. | Amosite asbestos |
| D. | None of these |
| Answer» C. Amosite asbestos | |
| 39. |
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» B. Equal to 1 | |
| 40. |
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 | |
| 41. |
The most commonly used retarder in cement is |
| A. | Gypsum |
| B. | Calcium chloride |
| C. | Calcium carbonate |
| D. | None of the above |
| Answer» B. Calcium chloride | |
| 42. |
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 | |
| 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» E. | |
| 44. |
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 | |
| 45. |
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» D. Spirit, oil and wax | |
| 46. |
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 | |
| 47. |
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 | |
| 48. |
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» E. | |
| 49. |
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 | |
| 50. |
Strength of cement concrete primarily depends upon |
| A. | Quality of water |
| B. | Quantity of aggregate |
| C. | Quantity of cement |
| D. | Water-cement ratio |
| Answer» E. | |