McqMate
Chapters
1. |
The rocks formed due to solidification of molten mass are called. |
A. | aqueous rocks |
B. | sedimentary rocks |
C. | metamorphic rocks |
D. | igneous rocks |
Answer» D. igneous rocks |
2. |
Granite is an example of |
A. | aqueous rocks |
B. | sedimentary rocks |
C. | metamorphic rocks |
D. | igneous rocks |
Answer» D. igneous rocks |
3. |
Solidification of molten magma at the surface of the earth results in the formation of |
A. | sedimentary rock |
B. | basalt and traps |
C. | granite |
D. | metamorphic rock |
Answer» B. basalt and traps |
4. |
.Solidification of molten magma within the earth’s crust results in the formation of |
A. | sedimentary rock |
B. | basalt and trap |
C. | granite |
D. | metamorphic rack |
Answer» C. granite |
5. |
Sedimentary rocks are formed due to |
A. | solidification of molten mass |
B. | gradual deposition of materials like sand, clay, generally by setting water |
C. | alteration of original stones under heat and pressure |
D. | none of the above |
Answer» B. gradual deposition of materials like sand, clay, generally by setting water |
6. |
Under metamorphism, which of the following changes is correct? |
A. | granite changes to gnesis. |
B. | trap and basalt change into laterite. |
C. | limestones change into marble. |
D. | all the above |
Answer» D. all the above |
7. |
Granite has |
A. | crystalline, glossy and fused texture |
B. | foliated structure |
C. | layers of different compositions |
D. | none of the above |
Answer» A. crystalline, glossy and fused texture |
8. |
The principal constituent of argillaceous rock is |
A. | Sand |
B. | lime |
C. | clay |
D. | all the above |
Answer» C. clay |
9. |
Laterite is chemically classified as |
A. | calcareous rock |
B. | siliceous rock |
C. | metamorphic rock |
D. | argillaceous rock |
Answer» D. argillaceous rock |
10. |
Which of the following is an example of siliceous rock? |
A. | granite |
B. | gnesis |
C. | quartzite |
D. | all the above |
Answer» C. quartzite |
11. |
Marble is an example of |
A. | aqueous rock |
B. | metamorphic rock |
C. | sedimentary rock |
D. | igneous rock |
Answer» B. metamorphic rock |
12. |
Slate is used for |
A. | building walls |
B. | road metal |
C. | manufacture of cement |
D. | roofing |
Answer» D. roofing |
13. |
Which one of the following takes polish very well? |
A. | basalt and trap |
B. | granite |
C. | sandstone |
D. | quartzite |
Answer» B. granite |
14. |
The colour of granite is |
A. | grey |
B. | green |
C. | brown |
D. | all of these |
Answer» D. all of these |
15. |
A fine grained granite |
A. | can be polished well |
B. | can be used for exterior facing of buildings |
C. | offers higher resistance to weathering |
D. | all of the above |
Answer» D. all of the above |
16. |
Siliceous sand subjected to metamorphic action is known as |
A. | laterite |
B. | murram |
C. | quartzite |
D. | dolomite |
Answer» C. quartzite |
17. |
When quarrying is to be done in hard and compact rocks, the usual method employed is |
A. | wedging |
B. | using channeling machine |
C. | blasting |
D. | all of the above |
Answer» C. blasting |
18. |
Quarrying by using channeling machine is employed for quarrying in |
A. | soft rock |
B. | hard rock |
C. | sandstones |
D. | all the above |
Answer» A. soft rock |
19. |
Heating technique of breaking rocks is suitable if the aim is to get |
A. | aggregates |
B. | slabs |
C. | building blocks |
D. | none of the above |
Answer» A. aggregates |
20. |
The process of taking out stones of various sizes from natural rock is known as |
A. | dressing |
B. | seasoning |
C. | polishing |
D. | quarrying |
Answer» D. quarrying |
21. |
The process of giving required shape and size to stones is known as |
A. | dressing |
B. | seasoning |
C. | polishing |
D. | quarrying |
Answer» A. dressing |
22. |
Boasted finish of dressing stone is |
A. | making non-continuous parallel marks |
B. | giving finish to a 20 mm margin only at edges |
C. | providing continuous lines on the face |
D. | working out 30–50 mm wide margin around the face with chisel |
Answer» A. making non-continuous parallel marks |
23. |
Dressing of the stone is made |
A. | immediately after quarrying |
B. | after three months of quarrying |
C. | just before using for building works |
D. | after seasoning |
Answer» A. immediately after quarrying |
24. |
The most powerful explosive used in blasting is. |
A. | gunpowder |
B. | guncotton |
C. | dynamite |
D. | cordite |
Answer» B. guncotton |
25. |
Moisture absorption of a good stone should be less than |
A. | 1% |
B. | 5% |
C. | 8% |
D. | 12% |
Answer» B. 5% |
26. |
Most of the stones possess the specific gravity in the range of |
A. | 1.2 – 1.6 |
B. | 1.6 – 2.0 |
C. | 2.4 – 2.8 |
D. | 3.0 – 4.0 |
Answer» C. 2.4 – 2.8 |
27. |
Limestone used for manufacture of cement is |
A. | kankar |
B. | magnesium limestone |
C. | compact limestone |
D. | granular limestone |
Answer» A. kankar |
28. |
Which of the following has the highest crushing strength? |
A. | granite |
B. | gneiss |
C. | basalt |
D. | trap |
Answer» D. trap |
29. |
Which of the following stone has the highest resistance to fire? |
A. | granite |
B. | limestone |
C. | sandstone |
D. | argillaceous material |
Answer» D. argillaceous material |
30. |
Smith’s test on stone is to check |
A. | toughness |
B. | hardness |
C. | compressive strength |
D. | presence of muddy substance |
Answer» D. presence of muddy substance |
31. |
Los Angeles testing machine is used to find the following. In stone |
A. | surface wear |
B. | hardness |
C. | compressive strength |
D. | presence of mud |
Answer» A. surface wear |
32. |
Impact value of stone for road work specified are |
A. | wearing coat 30% |
B. | bituminous macadam 35% |
C. | water bound macadam 40% |
D. | all the above |
Answer» D. all the above |
33. |
Deterioration of stones takes place due to |
A. | temperature variation |
B. | freezing and thawing |
C. | rainwater |
D. | all of the above |
Answer» D. all of the above |
34. |
Which one of the follo ing is not a preservative of stone |
A. | coal tar |
B. | paraffin |
C. | linseed oil |
D. | ASCU |
Answer» D. ASCU |
35. |
After felling and separating branches the tree is known as |
A. | log |
B. | converted timber |
C. | rough timber |
D. | none of the above |
Answer» C. rough timber |
36. |
Which one of the following does not belong to exogenous tree |
A. | deodar |
B. | pine |
C. | mahogany |
D. | bamboo |
Answer» C. mahogany |
37. |
Which one of the following dose not belong to endogenous trees |
A. | teak |
B. | coconut |
C. | bamboo |
D. | cane |
Answer» C. bamboo |
38. |
On the basis of durability test, Forest Research Institute of India, Dehradun, a tree is highly durable if its average life is more than |
A. | 5 years |
B. | 10 years |
C. | 15 years |
D. | 20 years |
Answer» B. 10 years |
39. |
The trees, of which leaves fall in autumn and new ones appear in spring are classified as |
A. | coniferous trees |
B. | deciduous trees |
C. | endogenous trees |
D. | none of the above |
Answer» B. deciduous trees |
40. |
The oldest part of exogenous tree is |
A. | pith |
B. | heartwood |
C. | sapwood |
D. | cambium layer |
Answer» A. pith |
41. |
Age of exogenous tree can be judged from |
A. | medullary rays |
B. | annual rings |
C. | cambium layer |
D. | inner bark |
Answer» B. annual rings |
42. |
The layer between the dark and sapwood which is yet to be converted into wood is known as |
A. | pith |
B. | heartwood |
C. | softwood |
D. | cambium layer |
Answer» D. cambium layer |
43. |
Which one of the following is softwood |
A. | deodar |
B. | teak |
C. | sal |
D. | mahogany |
Answer» A. deodar |
44. |
Which one of the following is not a softwood: |
A. | oak |
B. | pine |
C. | deodar |
D. | bamboo |
Answer» A. oak |
45. |
On the basis of availability, timber is classified as |
A. | I. II, III Class |
B. | grade I, II, and III |
C. | A, B, C Class |
D. | , Y, Z Class |
Answer» D. , Y, Z Class |
46. |
Seasoning makes timber |
A. | durable |
B. | light, strong and stable |
C. | resistant to fungi and termites |
D. | all of the above |
Answer» D. all of the above |
47. |
Which of the following statements is not correct? |
A. | by kiln seasoning moisture content can be reduced to the desired extent. |
B. | kiln seasoning is quicker than natural seasoning. |
C. | kiln seasoning is superior to natural seasoning. |
D. | kiln seasoning needs less stacking place than natural seasoning. |
Answer» C. kiln seasoning is superior to natural seasoning. |
48. |
Most economical method of sawing wood is |
A. | ordinary sawing |
B. | quarter sawing |
C. | tangential sawing |
D. | radial sawing |
Answer» A. ordinary sawing |
49. |
Sections of more uniform moisture content are obtained by |
A. | ordinary sawing |
B. | quarter sawing |
C. | tangential sawing |
D. | radial sawing |
Answer» B. quarter sawing |
50. |
The defect in timber due to broken branch of the tree during the tree growth is |
A. | knot |
B. | shake |
C. | rind gall |
D. | burl |
Answer» A. knot |
51. |
Stain appears in wood due to |
A. | poor ventilation during storage |
B. | contact with water and chemicals for long time |
C. | shock when it was young |
D. | crushing during growth |
Answer» B. contact with water and chemicals for long time |
52. |
Honeycomb and cracks may occur in timber due to |
A. | erroneous conversion |
B. | erroneous seasoning |
C. | attack by fungi |
D. | contact with water for a long time |
Answer» B. erroneous seasoning |
53. |
Which one of the following is not a preservative of timber |
A. | solignum salt |
B. | chemical salt |
C. | creosote |
D. | solution of barium hydroxide |
Answer» D. solution of barium hydroxide |
54. |
A thin sheet of wood sliced from log is called |
A. | plywood |
B. | lamin board |
C. | veneer |
D. | particle board |
Answer» C. veneer |
55. |
In a plywood the veneers are placed such that the gra ns of a layer are |
A. | at 45° to the grains of a layer below it |
B. | at 60° to the grains of a layer below it |
C. | at right angles to the layer below it |
D. | at 180° to the grains of a layer below it |
Answer» C. at right angles to the layer below it |
56. |
Plywood is identified by |
A. | volume |
B. | weight |
C. | area |
D. | thickness |
Answer» D. thickness |
57. |
An assembled product made up of veneers and adhesives is called |
A. | batten |
B. | plank |
C. | board |
D. | plywood |
Answer» D. plywood |
58. |
Particle boards are manufactured by using |
A. | chips of wood, rice husk and bagasse |
B. | strips of wood of width 25–80 mm |
C. | wood pulp |
D. | none of the above |
Answer» A. chips of wood, rice husk and bagasse |
59. |
The wood that cannot be attacked by white ants is |
A. | mahogany |
B. | rosewood |
C. | sissoo |
D. | teak |
Answer» D. teak |
60. |
The standard size of bricks as per Indian Standards is |
A. | 230 × 120 × 80 mm |
B. | 200 × 100 × 100 mm |
C. | 190 × 90 × 90 mm |
D. | 190 × 100 × 100 mm |
Answer» C. 190 × 90 × 90 mm |
61. |
Red colour of brick is due to the pre ence of |
A. | lime |
B. | silica |
C. | manganese |
D. | iron oxide |
Answer» D. iron oxide |
62. |
Excess of lime in the brick earth makes the bricks |
A. | brittle and weak |
B. | crack and warp |
C. | melt and lose shape |
D. | improve durability |
Answer» C. melt and lose shape |
63. |
Excess of iron oxide in brick earth makes the bricks |
A. | stronger |
B. | darker |
C. | brittle |
D. | crack |
Answer» B. darker |
64. |
Alumina in brick earth gives the bricks |
A. | strength |
B. | colour |
C. | plasticity |
D. | resistance to shrinkage |
Answer» C. plasticity |
65. |
Excess of alkalies in the brick earth results into |
A. | Brittleness |
B. | white patches |
C. | yellowish colour |
D. | porous structure |
Answer» B. white patches |
66. |
Pug mill is used to |
A. | blend clay |
B. | tempering |
C. | weathering clay |
D. | burning bricks |
Answer» B. tempering |
67. |
The size of mould used for making bricks compared to size of brick is |
A. | 10% more |
B. | 5% more |
C. | exactly equal |
D. | 5% less |
Answer» A. 10% more |
68. |
Pallet board is used to |
A. | make frog in the brick |
B. | to mount the mould |
C. | for table moulding of bricks |
D. | none of the above |
Answer» B. to mount the mould |
69. |
In stiff mud process of machine moulding, water used for mixing is |
A. | 8–12% |
B. | 12–18% |
C. | 20–24% |
D. | 30% |
Answer» B. 12–18% |
70. |
Gradual drying of moulded bricks is necessary to |
A. | prevent shrinkage |
B. | permit shrinkage without cracking |
C. | permit blending of alumina and silica |
D. | none of the above |
Answer» B. permit shrinkage without cracking |
71. |
The brick is considered dry when the moisture content is |
A. | 8% |
B. | 5% |
C. | 2% |
D. | zero |
Answer» C. 2% |
72. |
Hand moulded bricks take ______ days for drying while stiff-mud machine made bricks ______ days. |
A. | 30, 5 |
B. | 15, 2 |
C. | 10, 1 |
D. | 8, 1/4 |
Answer» B. 15, 2 |
73. |
The indentation mark left on bricks during the process of moulding are |
A. | pallets |
B. | fillets |
C. | marks |
D. | frog |
Answer» D. frog |
74. |
Which one of the following statements is wrong about clamp burning |
A. | it is cheap |
B. | does not need skilled labour |
C. | control on burning process is good |
D. | burning process is slow |
Answer» C. control on burning process is good |
75. |
Continuous kiln is |
A. | bull’s trench kiln |
B. | Hoffman’s kiln |
C. | tunnel kiln |
D. | all of the above |
Answer» D. all of the above |
76. |
The minimum strength of brick required for building wall is |
A. | 7.5 N/mm2 |
B. | 5.0 N/mm2 |
C. | 3.5 N/mm2 |
D. | 2.5 N/mm2 |
Answer» C. 3.5 N/mm2 |
77. |
To check the size of brick number of bricks to be kept side by side is |
A. | 30 |
B. | 20 |
C. | 10 |
D. | 5 |
Answer» B. 20 |
78. |
The bricks which may be used to build wall but to be provided with plaster are |
A. | Ist Class |
B. | IInd Class |
C. | IIIrd Class |
D. | IVth Class |
Answer» B. IInd Class |
79. |
The compressive strength of high duty bricks should be more than |
A. | 40 N/mm2 |
B. | 20 N/mm2 |
C. | 5 N/mm2 |
D. | 3.5 N/mm2 |
Answer» A. 40 N/mm2 |
80. |
Thickness of web of hollow bricks should not be less than |
A. | 20 mm |
B. | 16 mm |
C. | 12 mm |
D. | 8 mm |
Answer» D. 8 mm |
81. |
Compressive strength of paving bricks should not be less than |
A. | 40 N/mm2 |
B. | 30 N/mm2 |
C. | 20 N/mm2 |
D. | 40 N/mm2 |
Answer» A. 40 N/mm2 |
82. |
Field test for strength of good bricks is to drop it from a height of ______ and they should not break |
A. | 1.2 m |
B. | 1.0 m |
C. | 0.7 m |
D. | 0.75 m |
Answer» B. 1.0 m |
83. |
For making stabilized soil brick the soil is stabilized with |
A. | sand |
B. | coal |
C. | cement |
D. | salt |
Answer» C. cement |
84. |
Refractory bricks resist |
A. | high temperature |
B. | chemical action |
C. | action of frost |
D. | all of the above |
Answer» A. high temperature |
85. |
In case of round tiles, under-tiles are used with their narrow ends |
A. | towards eve |
B. | towards ridge |
C. | towards valley |
D. | in any one fashion |
Answer» A. towards eve |
86. |
Maximum water absorption permitted on class AA type Mangalore tiles is |
A. | 13% |
B. | 15% |
C. | 17% |
D. | 19% |
Answer» D. 19% |
87. |
Which of the following statement is wrong? |
A. | Pan tiles are similar to half round tiles but less curved |
B. | Pan tiles are weaker than half round tiles |
C. | Allahabad tiles are interlocking tiles |
D. | Mangalore tiles are also interlocking tiles |
Answer» B. Pan tiles are weaker than half round tiles |
88. |
Terracotta means |
A. | insulated |
B. | fit for sanitary services |
C. | good for ornamental work |
D. | baked earth |
Answer» D. baked earth |
89. |
Water absorption of vitrified tiles is not more than |
A. | 0.5% |
B. | 1.0% |
C. | 2.0% |
D. | 5.0% |
Answer» A. 0.5% |
90. |
To make terracotta porous, the following is mixed with clay before burning. |
A. | lime |
B. | silica |
C. | sawdust |
D. | none of the above |
Answer» C. sawdust |
91. |
By calcining and smelting iron ores, a crude and impure form of iron obtained is known as |
A. | cast iron |
B. | wrought iron |
C. | steel |
D. | pig iron |
Answer» D. pig iron |
92. |
The colour of cast iron is |
A. | grey |
B. | white |
C. | both grey and white |
D. | none of the above |
Answer» C. both grey and white |
93. |
The compressive and tensile strength of cast iron are |
A. | 700 N/m2 and 150 N/mm2 |
B. | 600 N/mm2 and 400 N/mm2 |
C. | 415 N/mm2 and 415 N/mm2 |
D. | 400 N/mm2 and 600 N/mm2 |
Answer» A. 700 N/m2 and 150 N/mm2 |
94. |
For making spiral staircases, ideal material is |
A. | pig iron |
B. | cast iron |
C. | wrought iron |
D. | steel |
Answer» B. cast iron |
95. |
Purest form of iron is |
A. | pig iron |
B. | cast iron |
C. | wrought iron |
D. | steel |
Answer» C. wrought iron |
96. |
Carbon content in wrought iron is |
A. | 0.15% |
B. | 0.25 to 1.5% |
C. | 2 to 4% |
D. | more than 4% |
Answer» A. 0.15% |
97. |
The ratio of tensile strength to compressive strength of steel is |
A. | less than 1 |
B. | equal to 1 |
C. | more than 1 |
D. | nothing can be said definitely |
Answer» B. equal to 1 |
98. |
Ribs are made on steel wires to increase |
A. | strength is compression |
B. | strength is tension |
C. | bond strength |
D. | fatigue quality |
Answer» C. bond strength |
99. |
The property of metal enabling it to be drawn into thin weir is known as |
A. | malleability |
B. | ductility |
C. | toughness |
D. | plasticity |
Answer» B. ductility |
100. |
Non-ferrous Materials |
A. | Market form of copper is/are |
B. | ingots |
C. | sheets |
D. | tubes |
Answer» D. tubes |
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