Which stone provides the calcareous component required for the manufacture of cement?
1.Lime
2.Limestone
3.Marble
4.Granite
Posted Date:-2022-07-07 06:01:19
A good brick should not absorb more than what percent of water when soaked?
1.15%
2.20%
3.30%
4.10%
Posted Date:-2022-07-07 06:22:38
A good brick when dropped from the height of 1 metre can:
1.Shatter
2.Not break
3.Break into 2 halves
4.Develop small cracks
Posted Date:-2022-07-07 06:23:53
After how many days is the strength of cement is tested and graded according to the result?
1.7 days
2. 28 days
3.1 day
4.14 days
Posted Date:-2022-07-07 06:07:29
Excess of oxides of iron makes the brick:
1.Red in colour
2.Black in colour
3.Dark blue in colour
4.Yellow in colour
Posted Date:-2022-07-07 06:12:59
Grade 43 OPC is used widely for:
1.High rise buildings
2.Plastering
3.House construction
4.Finishing works
Posted Date:-2022-07-07 06:07:01
Grade 43 OPC shall be rejected if it remains in bulk storage in the factory for:
1.More than 3 months
2. More than 1 month
3.More than 6 months
4.More than 4 months
Posted Date:-2022-07-07 06:08:03
How is the argillaceous material used in the manufacture of cement stored?
1.Silos
2.Basins
3.Bags
4.Storage tanks
Posted Date:-2022-07-07 05:58:28
How many constituents are there in the brick earth?
1.5
2.4
3.6
4. 8
Posted Date:-2022-07-07 06:11:34
How many major ingredients are present in the composition of cement?
1.8
2.5
3.10
4.6
Posted Date:-2022-07-07 05:53:00
How many methods of moulding brick earth are there?
1.3
2.5
3.2
4.4
Posted Date:-2022-07-07 06:19:37
How many types of cement are there based on the ability to set in presence of water?
1.2
2.3
3.4
4.5
Posted Date:-2022-07-07 06:03:23
How many types of the brick earth are there?
1.3
2.5
3.2
4.6
Posted Date:-2022-07-07 06:15:59
How much does a bag of cement weigh?
1.1 kg
2.25 kg
3.50 kg
4.35 kg
Posted Date:-2022-07-07 05:59:23
How much maximum percentage by mass of performance improvers can be added in grade 33 OPC?
1.0.5
2. 1
3.5
4.0.1
Posted Date:-2022-07-07 06:09:38
In the same figure in question 2, what is ‘b’ and its function?
1.Water-plasticity
2.Lime-strength
3.Sulphur-soundness
4.Gypsum-control setting
Posted Date:-2022-07-07 05:58:02
In what form should lime be present in the brick earth?
1.Paste
2.Lump
3.Clinker
4.Powder
Posted Date:-2022-07-07 06:12:29
Loamy, mild or sandy clay has __________ percentage of alkali?
1.5%
2.1%
3.4%
4.0%
Posted Date:-2022-07-07 06:16:25
Ordinary Portland cement (OPC) has been classified into how many grades?
1.2
2.3
3.10
4.5
Posted Date:-2022-07-07 06:06:32
Sulphur in cement is present in what amount?
1.0.5 – 6 g
2.1 – 2.5%
3.0.5 – 6%
4.1 – 2.5g
Posted Date:-2022-07-07 05:57:06
The depression provided in the face of a brick during its manufacturing is called:
1.Frog
2.Furrow
3.Groove
4.Scallop
Posted Date:-2022-07-07 06:21:26
The meaning of slop moulded bricks is:
1.Sand sprinkled inside mould
2.Insufficiently moulded bricks
3.Brittle and slimy bricks
4.Mould dipped in water
Posted Date:-2022-07-07 06:20:09
The presence of which of the below renders clay totally unsuitable for brick manufacture?
1.Kallar
2.Kankar
3. Hay
4.Lime
Posted Date:-2022-07-07 06:15:34
The process of kneading brick earth is called:
1.Pugging
2.Blending
3.Ramming
4.Tamping
Posted Date:-2022-07-07 06:18:22
The ratio of percentage of alumina to iron oxide in OPC 43 grade is:
1.3.5
2.0.66
3.0.1
4.0.05
Posted Date:-2022-07-07 06:08:30
Water proof cement is prepared by mixing ordinary cement with:
1.Resins
2.Water repellent chemicals
3.Sulpho-aminate
4.Metal stearates
Posted Date:-2022-07-07 06:05:49
What function does iron oxide perform in cement?
1.Increases strength
2.Makes cement sound
3.Increases setting time
4.Acts as flux
Posted Date:-2022-07-07 05:52:35
What happens to raw bricks if an excess of alumina is present?
1.Becomes hard
2.Becomes brittle
3.Decay
4.Shrinkage
Posted Date:-2022-07-07 06:13:26
What is the abbreviation of PPC?
1.Perfect Portland Cement
2.Portland Produced Cement
3.Portland Pozzolana Cement
4.Productive Portland Cement
Posted Date:-2022-07-07 06:02:26
What is the advantage of using precalciner?
1.Fine grained cement
2. Larger clinker size
3.Fuel efficiency
4.Sound cement
Posted Date:-2022-07-07 06:00:53
What is the harmful effect of presents of alkali in brick earth on bricks?
1.Discolourises bricks
2.Efflorescence
3.Porous bricks
4.Flaking
Posted Date:-2022-07-07 06:13:56
What is the recommended size of a brick?
1.20x10x10cm
2.20x9x9cm
3.19x9x9cm
4.19x8x8cm
Posted Date:-2022-07-07 06:22:15
What property does air-entraining cement provide?
1.Workability
2.Soundness
3.Fineness
4.Strength
Posted Date:-2022-07-07 06:03:49
Which is the most commonly employed drying method in India?
1.Hot floor drier
2.Tunnel drier
3.Natural drying
4.Blow drying
Posted Date:-2022-07-07 06:20:33
Which of the below is used to sound proof bricks?
1.Gypsum
2.Terracotta
3.Plastics
4.Ceramic
Posted Date:-2022-07-07 06:23:25
Which of the following bricks is not preferred?
1.Sharp-edged
2.Clamp burned
3.Sound-proofed
4.Kiln burned
Posted Date:-2022-07-07 06:23:03
Which of the following cannot be added in 33 grade OPC after burning stage?
1.Gypsum
2.Water
3.Colouring Agents
4.Clay
Posted Date:-2022-07-07 06:09:04
Which of the following is not a chemical change that takes place in the brick earth during burning?
1.Dehydration
2.Vitrification
3.Oxidation
4.Reduction
Posted Date:-2022-07-07 06:20:59
Which of the following is not a pozzolanic material?
1.Fly ash
2. Silica fume
3.Cinder
4.Slag
Posted Date:-2022-07-07 06:05:22
Which of the following is not an advantage of rapid hardening cement?
1.Faster construction
2.Short curing period
3.Light in weight
4.Higher final setting time
Posted Date:-2022-07-07 06:02:54
Which of the following leads to the formation of small pores in brick?
1.Iron pyrites
2.Pebbles
3.Organic matter
4.Alkalis
Posted Date:-2022-07-07 06:15:06
Which of the following types of cement is used in marine structures?
1.Expanding cement
2.High alumina cement
3.Blast furnace slag cement
4.White cement
Posted Date:-2022-07-07 06:04:21
Which one of the below is not a feature of cement Kiln?
1.Employs alternate fuels
2.Natural alkaline environment
3.High temperature
4.Portable
Posted Date:-2022-07-07 06:01:46
Which one of the below is rarely used as fuel in burning stage of wet process of cement manufacturing?
1.Wood
2.Gas
3.Pulverised coal
4.Fuel oil
Posted Date:-2022-07-07 05:58:56
Which one of the below is the first step in the preparation of brick earth process?
1.Digging
2.Site selection
3.Cleaning
4.Unsoiling
Posted Date:-2022-07-07 06:17:23
Which one of the below is the most important ingredient in the brick earth?
1.Alumina
2.Lime
3.Silica
4.Magnesia
Posted Date:-2022-07-07 06:12:02
Which one of the following is not a part of pug mill?
1.Vertical shaft
2.Hub
3.Cutting blades
4.Timber base
Posted Date:-2022-07-07 06:19:14
Which pair of the compound and coloured cement mentioned below is wrong?
1.Iron oxide-yellow
2.Cobalt-black
3.Chromium oxide-green
4.Manganese dioxide-brown
Posted Date:-2022-07-07 06:04:56
Why do bricks become brittle when excess silica is present?
1.Pores are created
2.Flaking occurs
3.Thermal stability is lost
4.Cohesion is lost
Posted Date:-2022-07-07 06:14:28
Why is the process of weathering performed?
1.To remove organic matter
2.To prepare for next process
3.To improve plasticity
4.To dry clay
Posted Date:-2022-07-07 06:17:57