201. Slump required for concreting lightly reinforced sections without vibration is
(a) up to 25 mm
(b) 25 – 75 mm
(c) 25 – 100 mm
(d) more than 100 mm
202. Slump required for concreting heavily reinforced sections without vibration is
(a) up to 25 mm
(b) 25 – 50 mm
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(c) 50 – 75 mm
(d) 75 – 125 mm
203. For concreting heavily reinforced sections without vibrations, compaction factor should be
(a) 0.75 – 0.80
(b) 0.80 – 0.85
(c) 0.85 – 0.92
(d) more than 0.92
204. Vee-Bee consistometer test is suitable for finding workability of
(a) rich concrete
(b) lean concrete
(c) stiff concrete
(d) all the above
205. Segregation is due to
(a) lack of sufficient quantity of fine aggregates
(b) dropping concrete from a greater height
(c) over vibration
(d) all the above
206. Bleeding of freshly laid concrete means
(a) segregation of concrete
(b) voids appearing on the surface
(c) appearance of water along with cement paste on the surface
(d) all the above
207. The ratio of strength of concrete after 1 year to that at 28 days is
(a) 0.9
(b) 1.0
(c) 1.1
(d) 1.2
208. On cylindrical specimen, split test is conducted to determine
(a) compressive strength of concrete
(b) tensile strength
(c) flexural strength
(d) all the above
209. Indian Standards specifications for estimating tensile strength and modulus of elasticity of
concrete, if characteristic strength fck
is known, are respectively
(a) 0.75 and 7000
(b) 0.7 and 5000
(c) 0.75 fck and 7000 fck
(d) 0.7 fck and 5000 fck
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210. Creep is permanent change in dimensions due to
(a) temperature variation
(b) whethering action caused by moisture in the air
(c) sustained load
(d) all the above
211. Creep coefficient of concrete depends upon
(a) stress in concrete
(b) the age of concrete at the time of loading
(c) duration of loading
(d) all the above
212. Coefficient of thermal expansion is highest in
(a) quartzite
(b) sandstone
(c) granite
(d) basalt
213. Which one of the following is not workability enhancing agent?
(a) air entraining agents
(b) plasticizer
(c) super plasticizer
(d) silica fume
214. Which one of the following is not a construction chemical?
(a) silica fume
(b) bonding agents
(c) curing compound
(d) none of the above
215. Which one of the following is not a light-weight concrete?
(a) aerated concrete
(b) no fine concrete
(c) polymer concrete
(d) foamed slag concrete
216. Concrete mix design is intended to
(a) achieve specified characteristic strength
(b) achieve required workability
(c) achieve impermeability
(d) both (a) and (b)
217. Minimum cement content for moderate exposure with normal weight aggregates of size 20 mm in
concrete is
(a) 280 kg/m3
(b) 300 kg/m3
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(c) 320 kg/m3
(d) 340 kg/m3
218. Fibre reinforced concrete is used in
(a) wearing coat of roads
(b) pipes, manhole covers
(c) door and window frames
(d) all the above
219. Which one of the following is not correct about the use of ferrocement?
(a) for doors and window shutters
(b) domestic water tanks
(c) furnitures
(d) beam and columns
220. The ingredient of paint which gives it the binding property and form opaque coating is
(a) base
(b) vehicle
(c) solvent
(d) filler
221. The ingredient of paint that holds the ingredients in liquid suspension and allows them to be
applied on the surface is:
(a) base
(b) vehicle
(c) solvent
(d) filler
222. The ingredient of paint that increases coverage area and makes application easy is
(a) base
(b) vehicle
(c) solvent
(d) filler
223. The ingredient of paint that reduces the cost and increases durability is
(a) base
(b) vehicle
(c) solvent
(d) filler
224. The cheap ingredient of a paint is
(a) base
(b) vehicle
(c) filler
(d) solvent
225. The presence of dampness while applying the primer affects the life of
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(a) oil paint
(b) enamel paint
(c) aluminium paint
(d) plastic paint
226. Commonly used base for paint is
(a) iron oxide
(b) red lead
(c) titanium white
(d) any one of the above
227. Commonly used vehicle in paint is
(a) linseed oil
(b) poppy oil
(c) nut oil
(d) any one of the above
228. Commonly used solvent in paint is
(a) white lead
(b) turpentine
(c) linseed oil
(d) any of the above
229. Commonly used inert extenders used in paint is
(a) magnesia
(b) alumina
(c) charcoal
(d) any one of the above
230. Enamel paint is prepared by adding white lead or zinc to
(a) varnish
(b) polysterene
(c) spirit
(d) to any one of the above
231. The surface of which paint can be cleaned by washing with water?
(a) oil paint
(b) enamel paint
(c) emulsion paint
(d) bituminous paint
232. The paint which shines and is visible even in darkness is
(a) synthetic rubber paint
(b) cellulose paint
(c) aluminium paint
(d) emulsion paint
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233. Which paint is ideally suited to get damp-proof surface?
(a) plastic paint
(b) asbestos paint
(c) synthetic rubber paint
(d) aluminium rubber paint
234. The base material for distemper is
(a) iron oxide
(b) lithopone
(c) chalk
(d) lime
235. The solvent used in cement paint is
(a) spirit
(b) water
(c) turpentine
(d) naptha
236. Paint with white lead base is suitable for painting
(a) concrete surfaces
(b) walls
(c) woodwork
(d) iron work
237. Painting work is generally specified by
(a) weight of the paint used
(b) volume of the paint used
(c) labour used for painting
(d) area of the painted surface.
238. The small areas on painted surface enclosed by hair line cracks are known as
(a) blistering
(b) crazing
(c) wrinkling
(d) chalking
239. Varnish is generally made of
(a) spirit
(b) solvent
(c) resin
(d) both (b) and (c)
240. In the fractional distillation of crude oil the components of crude which do not evaporate is
(a) kerosene
(b) spirit
(c) bitumen
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(d) fuel oil
241. Select correct option about bitumen
(a) Its components are carbon, hydrogen and oxygen.
(b) It becomes soft at 30° to 100° C.
(c) It is susceptible to oxidation, forming blisters and cracks.
(d) All the above.
242. Cut back bitumen is produced by adding
(a) gasolin
(b) kerosene
(c) high boiling point light oil
(d) any of the above
243. Asphalt is obtained by adding
(a) kerosene
(b) gasolin
(c) sand
(d) any of the above
244. Tar is obtained by destructive distillation of
(a) coal
(b) wood
(c) mineral tar
(d) any one of the above
245. At 30°C asphalt is available in the state of
(a) solid or semisolid
(b) solid
(c) viscous
(d) any of the above
246. Adhesive power is highest in case of
(a) asphalt
(b) bitumen
(c) cold tar
(d) none of the above
247. Main constituent of glass is
(a) alumina
(b) silica
(c) acrylic
(d) none of the above
248. Molten glass can be fabricated by
(a) blowing
(b) drawing
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(c) casting
(d) any of the above
249. Annealing the glass is the process of
(a) blowing and drawing
(b) drawing and casting
(c) heating and slow cooling
(d) any of the above
250. Tempering the glass is the process of
(a) giving requisite degree of hardness
(b) making it impervious to light
(c) a method of fabrication
(d) none of the above
251. The glass used as windowpanes and laboratory tables is
(a) soda lime glass
(b) potash lime glass
(c) potash lead glass
(d) common glass
252. The glass used for making artificial gem is
(a) soda lime glass
(b) potash lime glass
(c) potash lime glass
(d) coloured glass
253. Wired glass is used for
(a) telephone communication
(b) medicine bottles
(c) fire resistant doors
(d) artificial gems
254. Bulletproof glass has
(a) a number of layers all of same thickness
(b) outer layers thinner than inner layers
(c) outer layers thicker than inner layers
(d) inner layers with steel wires
255. Shielding glass contains
(a) steel wires
(b) fibre glass
(c) lead oxide
(d) chrome
256. Structured glass is
(a) usually coloured
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(b) mirrored
(c) heat resistant
(d) all the above
257. Polymerization is the process of
(a) combine monomers to form a large chain-like molecule
(b) combine monomers to form a small chain-like molecule
(c) Break a polymer into a number of small monomers
(d) Break a polymer to form into a number of long monomers
258. Phenol formaldehyde is produced by
(a) addition polymerization
(b) condensation polymerization
(c) copolymerization
(d) any of the above
259. Which is wrong statement about thermosetting plastics?
(a) Undergo chemical changes at 127–177°C.
(b) Reheating will soften them.
(c) If heated to 340° C charring takes place.
(d) Soluble in alcohol.
260. Which one of the following is correct statement about thermo plastics?
(a) Soften on heating and hardens on cooling.
(b) The process of hardening and softening may be repeated any number of times.
(c) Scrap obtained from old article can be reused by softening and reshaping.
(d) All the above.
261. Fibre reinforced plastics are manufactured by reinforcing plastic with
(a) paper
(b) asbestos
(c) glass
(d) any of the above
262. Cork is obtained from
(a) bark of oak tree
(b) destructive distillation of wood
(c) mines
(d) any of the above sources
263. Vulcanization of rubber is to
(a) purify rubber
(b) toughen rubber
(c) make it soft
(d) all the above
264. Gypsum boards are manufactured by mixing gypsum with
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(a) tar
(b) bitumin
(c) asphalt
(d) rubber
265. Turpentine is a natural material obtained from
(a) oak trees
(b) pine trees
(c) mines
(d) any of the above
266. Which one is the correct statement about geosynthetics?
(a) They are fabrics of nylon.
(b) They last long even if they are buried under soil.
(c) They are not affected by water.
(d) All the above.
II. Match List I with List II and select the correct answer code given below the List
267.
List I Class List II Example
A. Volcanic rocks 1 Gneiss
B. Hyperbyssal rocks 2 Granite
C. Plutonic rocks 3 Quartz
D. Metamorphic rocks 4 Basalt
Codes: A B C D
(a) 3 2 4 1
(b) 1 3 2 4
(c) 4 3 2 1
(d) 2 4 3 1
268.
List I List II
Type of stone Strength
A. Trap 1 104 – 140 N/mm2
B. Marble 2 300 – 350 N/mm2
C. Granite 3 70 – 210 N/mm2
D. Sandstone 4 65 – 70 N/mm2
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Code
(a) A– 3 B – 2 C – 1 D – 4
(b) A– 2 B – 1 C – 4 D – 3
(c) A– 1 B – 2 C – 4 D – 3
(d) A– 2 B – 3 C – 1 D – 4
269.
List I List II
Stone Mohs hardness number
A. Gypsum 1 2
B. Calcite 2 3
C. Quartz 3 7
D. Corundum 4 9
Codes
(a) A– 1 B – 2 C – 4 D – 3
(b) A– 2 B – 1 C – 4 D – 3
(c) A– 1 B – 2 C – 3 D – 4
(d) A– 2 B – 1 C – 4 D – 3
270.
List I List II
Type of wood Used for
A. Jack 1. Agricultural implements
B. Deodar 2. Boat construction
C. Babul 3. Railway sleepers
D. Benteak 4. Musical instruments
Codes:
(a) A– 1 B – 3 C – 4 D – 2
(b) A– 4 B – 2 C – 3 D – 1
(c) A– 3 B – 4 C – 1 D – 2
(d) A– 4 B – 3 C – 1 D – 2
271.
List I List II
Defects in timber Defect due to
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A. Knot 1. Crushing during growth
B. Shake 2. Fungi attack
C. Rot 3. Excessive heat, wind or frost during the growth
D. Upset 4. Fallen branches during growth
Codes:
(a) A– 4 B – 3 C – 2 D – 1
(b) A– 1 B – 2 C – 3 D – 4
(c) A– 2 B – 3 C – 4 D – 1
(d) A– 4 B – 1 C – 2 D – 3
272.
List I List II
A. Exogenous tree 1. grow inward
B. Endogenous tree 2. cone shaped leaves
C. Deciduous 3. broad leaves
D. Coniferous 4. grow outward
Codes
(a) A– 1 B – 4 C – 3 D – 4
(b) A– 2 B – 3 C – 4 D – 1
(c) A– 3 B – 2 C – 1 D – 4
(d) A– 4 B – 1 C – 3 D – 2
273.
List I List II
Parts of exogenous tree Character
A. Cambium layer 1. Youngest layer
B. Pith 2. Innermost part
C. Heartwood 3. Thin layer of fresh sap.
D. Sapwood 4. Portion surrounding pith
Codes:
(a) A– 1 B – 2 C – 3 D – 4
(b) A– 3 B – 2 C – 4 D – 1
(c) A– 4 B – 1 C – 3 D – 2
(d) A– 1 B – 3 C – 2 D – 4
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274.
List I List II
Method of sawing Character of sawing
A. Ordinary sawing 1. All cuts are parallel to each other
B. Quarter sawing 2. Adopted when modular rays are not distinct
C. Tangential sawing 3. Suitable for hardwood
D. Radial sawing 4. Least warpage
Codes:
(a) A– 2 B – 1 C – 3 D – 4
(b) A– 1 B – 3 C – 4 D – 2
(c) A– 2 B – 3 C – 4 D – 1
(d) A– 1 B – 4 C – 2 D – 3
275.
List I List II
Constituent of brick earth Effect on brick
A. Silica 1. Gives red colour
B. Alumina 2. Makes sand to fuse and act as cementing material
C. Lime 3. Prevents cracking and warping
D. Oxide 4. Gives plasticity
Codes:
(a) A– 1 B – 4 C – 3 D – 2
(b) A– 2 B – 3 C – 4 D – 1
(c) A– 3 B – 4 C – 2 D – 1
(d) A– 4 B – 3 C – 1 D – 2
276.
List I List II
A. pug mill 1. for burning bricks
B. fillet 2. for table moulding
C. stock board 3. for making frog
D. clamp 4. for tempering
Codes:
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(a) A– 1 B – 3 C – 2 D – 4
(b) A– 4 B – 3 C – 2 D – 1
(c) A– 4 B – 2 C – 1 D – 3
(d) A– 2 B – 3 C – 4 D – 1
277.
List I List II
A. Quicklime 1. limestone
B. Slaked lime 2. calcium oxide
C. Moderately hydraulic lime 3. calcium hydroxide
D. Kankar 4. contains 20 – 30% clay
Codes:
(a) A– 2 B – 3 C – 4 D – 1
(b) A– 3 B – 2 C – 1 D – 4
(c) A– 1 B – 2 C – 3 D – 4
(d) A– 4 B – 1 C – 3 D – 2
278.
List I List II
In acid test on lime
A. Vigorous efflorescence 1. Class Alime
B. Higher volume of residue 2. Class B lime
C. Thick gel 3. High percentage of lime
D. Flowing gel 4. Unwanted inert material
Codes:
(a) A– 4 B – 3 C – 1 D – 2
(b) A– 3 B – 4 C – 2 D – 1
(c) A– 2 B – 3 C – 4 D – 1
(d) A– 3 B – 4 C – 1 D – 2
279.
List I List II
Constituent of raw materials in OPC Percentage
A. Iron oxide 62
B. Alumina 22
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C. Silica 5.5
D. Lime 3.0
Codes:
(a) A– 3 B – 4 C – 1 D – 2
(b) A– 3 B – 1 C – 2 D – 4
(c) A– 4 B – 3 C – 2 D – 1
(d) A– 4 B – 1 C – 3 D – 2
280.
List I List II
Constituent of cement Contribution to property of cement
A. Lime 1. Influences setting property
B. Alkalies 2. Cause efflorescence and staining
C. Alumina 3. Imparts strength
D. Iron oxide 4. Imparts colour
Codes:
(a) A– 3 B – 2 C – 1 D – 4
(b) A– 2 B – 3 C – 4 D – 1
(c) A– 3 B – 1 C – 2 D – 4
(d) A– 2 B – 4 C – 1 D – 3
281.
List I List II
Compounds of cement Percentage in cement
A. Tricalcium silicate 1. 11
B. Dicalcium silicate 2. 11
C. Tricalcium alumina 3. 40
D. Tetra calcium alumino ferrite 4. 30
Codes:
(a) A– 4 B – 3 C – 2 D – 1
(b) A– 3 B – 4 C – 1 D – 2
(c) A– 1 B – 2 C – 3 D – 4
(d) A– 3 B – 1 C – 2 D – 4
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282.
List I List II
Compound in OPC Its influence on the property of cement
A. C2S 1. First to react and set
B. C3S 2. Responsible for 28 days strength
C. C4 AF 3. Responsible for increase in strength even after 28 days
D. C3A 4. Inactive compound
Codes:
(a) A– 3 B – 2 C – 4 D – 1
(b) A– 1 B – 2 C – 3 D – 4
(c) A– 3 B – 4 C – 2 D – 1
(d) A– 2 B – 3 C – 4 D – 1
283.
List I List II
A. bins 1 for storing slurry
B. silos 2 for storing dry powders
C. wash mill 3 to burn
D. rotary kiln 4 to reduce mix to required fineness
Codes:
(a) A– 1 B – 2 C – 3 D – 4
(b) A– 2 B – 1 C – 4 D – 3
(c) A– 2 B – 1 C – 3 D – 4
(d) A– 1 B – 2 C – 4 D – 3
284.
List 1 List 2
A. Specimen for finding compressive strength of cement 1. 150 mm diameter cylinders
B. Specimen for finding tensile strength of cement 2. 7.08 mm cube
C. Specimen to find compressive strength of concrete 3. 150 mm cube
D. Specimen of find tensile strength of concrete 4. briquettes
Codes:
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(a) A– 1 B – 2 C – 3 D – 4
(b) A– 2 B – 1 C – 3 D – 4
(c) A– 1 B – 3 C – 4 D – 2
(d) A– 2 B – 4 C – 3 D – 1
285.
List I List II
Type of cement Use
A. Blast furnace slag cement 1. For laying concrete under water
B. High alumina cement 2. Construction of dams
C. Sulphate resisting cement 3. Properties same as OPC but cheap
D. Low heat cement 4. Construction of canals and culverts
Codes:
(a) A– 1 B – 2 C – 3 D – 4
(b) A– 3 B – 1 C – 4 D – 2
(c) A– 2 B – 1 C – 3 D – 4
(d) A– 4 B – 3 C – 2 D – 1
286.
List I List II
Pigments used with cement Colour obtained
A. Chloride 1. Brown or black
B. Cobalt oxide 2. Red
C. Iron oxide 3. Green
D. Manganese oxide 4. Blue
Codes:
(a) A– 1 B – 2 C – 4 D – 3
(b) A– 2 B – 3 C – 4 D – 1
(c) A– 3 B – 4 C – 1 D – 2
(d) A– 3 B – 4 C – 2 D – 1
287.
List I List II
Cement : Sand Mortar used for
A. 1 : 2 to 1 : 3 1. Masonry work
B. 1 : 3 2. Pointing
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C. 1 : 3 to 1 : 4 3. Plastering concrete
D. 1 : 6 to 1 : 8 4. Plastering masonry
Codes:
(a) A– 2 B – 3 C – 4 D – 1
(b) A– 2 B – 3 C – 1 D – 4
(c) A– 4 B – 3 C – 2 D – 1
(d) A– 3 B – 2 C – 4 D – 1
288.
List I List II
Nominal Used for
A.
1: : 3
1. Foundation coarse
B. 1 : 2 : 4 2. Water tanks
C. 1: 3 : 6 3. Slab and beams
D. 1 : 4 : 8 4. Sills of windows
Codes:
(a) A– 1 B – 2 C – 3 D – 4
(b) A– 3 B – 2 C – 4 D – 1
(c) A– 2 B – 3 C – 4 D – 1
(d) A– 4 B – 3 C – 2 D – 1
289.
List I List II
Method of compaction For the works
A. Hand compaction 1. For columns
B. Needle vibrations 2. Precast elements
C. Surface vibrations 3. Floor resting on ground
D. Table vibrations 4. For slabs
Codes:
(a) A– 2 B – 3 C – 4 D – 1
(b) A– 1 B – 3 C – 4 D – 2
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(c) A– 3 B – 1 C – 4 D – 2
(d) A– 2 B – 1 C – 3 D – 4
290.
List I List II
Concrete work Desirable compaction factor
A. Concreting heavily reinforced sections without vibrators 0.75–0.80
B. Concreting shallow sections with vibrators 0.80–0.85
C. Concreting lightly reinforced sections with vibrators 0.85–0.92
D. Concreting lightly reinforced sections without vibrators > 0.92
Codes:
(a) A– 3 B – 1 C – 2 D – 4
(b) A– 1 B – 2 C – 4 D – 3
(c) A– 4 B – 3 C – 2 D – 1
(d) A– 4 B – 1 C – 2 D – 3
291.
List I List II
Nature of concrete Effect
A. Seggregation 1 Causes pores
B. Bleeding 2 High strength
C. Harsh 3 Rough surface finish
D. Dense 4 Results in weaker pockets
Codes:
(a) A– 1 B – 3 C – 4 D – 2
(b) A– 3 B – 1 C – 2 D – 4
(c) A– 4 B – 1 C – 3 D – 2
(d) A– 4 B – 2 C – 1 D – 3
292.
List I List II
Exposure conditions Minimum cement content in kg/m3
A. Mild 1. 280
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B. Severe 2. 300
C. Very severe 3. 320
D. Extreme 4. 340
5. 360
Codes:
(a) A– 1 B – 2 C – 3 D – 4
(b) A– 2 B – 3 C – 4 D – 5
(c) A– 3 B – 4 C – 5 D – 1
(d) A– 2 B – 4 C – 5 D – 3
293.
List I List II
Varieties of iron ores Iron content
A. Magnetite 1. 40–45%
B. Haemetite 2. 60%
C. Limonite 3. 70%
D. Pyrite 4. > 70%
Codes:
(a) A– 2 B – 1 C – 3 D – 4
(b) A– 3 B – 2 C – 1 D – 4
(c) A– 1 B – 2 C – 3 D – 4
(d) A– 4 B – 3 C – 2 D – 1
294.
List I List II
Type of cast iron Use
A. White cast iron 1. Small casting
B. Mottled cast iron 2. Agricultural implements
C. Chilled cast iron 3. Manufacture of wrought iron
D. Malleable cast iron 4. Railway wheels
Codes:
(a) A– 1 B – 3 C – 2 D – 4
(b) A– 3 B – 1 C – 4 D – 2
(c) A– 4 B – 2 C – 3 D – 1
(d) A– 3 B – 2 C – 1 D – 4
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295.
List I List II
Metal % of carbon
A. Steel 1. < 0.15%
B. Cast iron 2. 0.25–1.5%
C. Pig iron 3. 2–4%
D. Wrought iron 4. 3–4%
5. 5%
Codes:
(a) A– 3 B – 4 C – 5 D – 1
(b) A– 2 B – 3 C – 5 D – 1
(c) A– 1 B – 2 C – 3 D – 4
(d) A– 2 B – 3 C – 4 D – 1
296.
List I List II
Material Composition
A. Brass 1. Basic material
B. Bronze 2. Alloy of copper and zinc
C. German silver 3. Alloy of copper and tin
D. Lead 4. Alloy of copper, zinc and nickel
Codes:
(a) A– 2 B – 3 C – 4 D – 1
(b) A– 1 B – 2 C – 3 D – 4
(c) A– 2 B – 1 C – 3 D – 4
(d) A– 1 B – 2 C – 4 D – 3
297.
List I List II
Ingredients of oil paints Role in paint
A. Base 1. Absorbs oxygen from air for hardening
B. Vehicle 2. Hold the ingredients in suspension
C. Solvent 3. Principal constituent
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D. Drier 4. Increases coverage
Codes:
(a) A– 1 B – 2 C – 3 D – 4
(b) A– 2 B – 3 C – 1 D – 4
(c) A– 3 B – 2 C – 4 D – 1
(d) A– 4 B – 3 C – 2 D – 1
298.
List I List II
Defects in painted surface Due to
A. Blistering 1. Poor workmanship
B. Flaking 2. Excessively thick paint
C. Flashing 3. Poor adhesion
D. Wrinkling 4. Entrapped water vapour
Codes:
(a) A– 4 B – 3 C – 1 D – 2
(b) A– 3 B – 2 C – 4 D – 1
(c) A– 4 B – 2 C – 3 D – 1
(d) A– 1 B – 2 C – 3 D – 4
III. Select your answer according to the coding system given for the assertion A and reason R
given in the following item.
Code:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are 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.
299. A: Metamorphic rocks have bedded or stratified structure.
R: Metamorphic rocks are formed due to the action of pressure, internal heat and chemical
action of water.
300. A: Freshly quarried stones are soft.
R: They contain quarry sap.
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