Description : Which of the following bricks are used for lining of furnaces? (A) Over-burnt bricks (B) Under-burnt bricks (C) Refractory bricks (D) First class bricks
Last Answer : Answer: Option C
Description : Jhumb bricks are (A) Under burnt (B) Over burnt (C) Kutcha (D) None of these
Last Answer : Answer: Option B
Description : Refractory bricks burnt at very high temperature have got (A) Greater resistance to corrosion by slags (B) Less resistance to corrosion by slags (C) High spalling tendency (D) None of these
Last Answer : (A) Greater resistance to corrosion by slags
Description : What are the various operations involved in manufacturing of burnt clay bricks?
Last Answer : Manufacturing of Burnt Clay Brick consists of a) Preparation of clay. b) Moulding c) Drying d) Burning.
Description : Classify burnt clay bricks.
Last Answer : The bricks used in the construction works are burnt bricks and they are classified into the following four categories: 1) First class bricks 2) Second class bricks 3) Third class bricks 4 ... a compact structure and hence they are sometimes found to be stronger than even the first class bricks.
Description : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable and chemically inert. Its molecule ha
Last Answer : A yellow metallic powder is burnt in a stream of fluorine to obtain a colourless gas X which is thermally stable ... and NaC1` D. `SF_(4) and SF_(6)`
Description : In regenerative air preheater (as practised in heating of coke ovens), the heat is transferred (A) Through a metallic wall (B) By direct contact of hot flue gas with air (C) By ... material (like chequor bricks) and then heating the air from this hot material (D) None of these
Last Answer : (C) By heating an intermediate material (like chequor bricks) and then heating the air from this hot material
Description : Pick up the correct statement from the following: (A) Sand stones may be divided into calcareous, siliceous and ferruginous sand stones (B) Concrete using sand stones, cracks due to excessive shrinkage (C) Broken bricks produce a concrete having good fire resisting qualities (D) All the above
Last Answer : Answer: Option D
Description : What do you call dark brown bread (from colouring) whose ingredients are "corn meal, colour, and water"?
Last Answer : ”...small dark grains”
Description : The minimum compressive strength of 1st class bricks should be (A) 75 kg/cm2 (B) 90 kg/cm2 (C) 100 kg/cm2 (D) 120 kg/cm2
Description : The minimum compressive strength of 2nd class bricks should be (A) 75 kg/cm2 (B) 90 kg/cm2 (C) 100 kg/cm2 (D) 120 kg/cm
Last Answer : Answer: Option A
Description : Advantage of a clamp compared to a kiln for burning bricks is that (A) It takes less time for burning (B) It gives more output of first class bricks (C) It has less initial cost (D) It is suitable when bricks are required in large numbers
Description : To obtain good bonding in brick masonry (A) First class bricks are used (B) Vertical joints in alternate courses are kept in plumb line (C) Bats are used where necessary (D) All the above
Last Answer : Option D
Description : (2) brown bottles stops the passage of light through it Explanation: Silver Nitrate is stored in dark bottles in a laboratory to prevent chemical reactions as it is sensitive to light. It reacts to light to produce silver metal.
Last Answer : In upper layer of atmosphere ozone is formed by - (1) the action of ultraviolet rays on oxygen (2) the combination of oxygen molecules (3) subjecting oxygen to high pressure (4) the action of nitrogen on oxygen in atmosphere
Description : What instrument Is the classification for a solid instrument that produces sound when it is hit scraped or struck.?
Last Answer : Idiophone is the classification for a solid instrument thatproduces sound when it is hit scraped or struck.
Description : Certain strains of Streptococcus lactis var. maltigenes may produce A.bitter flavor B.acid flavor C.burnt or caramel flavor D.none of these
Last Answer : C.burnt or caramel flavor
Description : brown.burnt leaves on my cherrie tree
Last Answer : Need Answer
Description : Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with (A) Karbate (B) Lead or glass (C) Fireclay bricks (D) PVC
Last Answer : (B) Lead or glass
Description : Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid proof bricks
Last Answer : (A) Acidic refractory
Description : Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid-proof bricks
Last Answer : (D) Lead or acid-proof bricks
Description : Generally metallic oxides are basic and non-metallic are acidic in nature. Solution of which of the following oxides in water will change the colour of blue litmus to red? a)sulphur dioxide b)Magnesium oxide c)iron oxide d)copper oxide
Last Answer : a)sulphur dioxide
Description : I have brown colour sofa wanted to know which colour cushions will really go well?
Last Answer : Depends on the rest of the room, your curtains, and exactly what shade of brown your sofa is. Also, is your sofa solid brown or does it have other colors as well?
Description : If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be (A) Maximum (B) Minimum (C) Zero (D) Infinity
Last Answer : (C) Zero
Description : Arches in the form of masonry arcs struck from more than four centres, are called (A) Two curved arches (B) Gothic arches (C) Ogee arches (D) Drop gothic arches
Description : Which list has properties which may not be struck under any circumstances without a commander's approval?
Last Answer : No-Strike List (NSL)
Description : If you like pretty gems that sparkle and shine, I invite you to dig in my virtual mine. My first is purple, fit for a king, My second is green where Dorothy did her thing. My third is red, July's ... gem, one letter in its turn, And you will find the stuff for which even the god's yearn. -Riddles
Last Answer : Ambrosia The gems are: Amethyst Emerald ( Emerald City in the Wizard of Oz ) Ruby Pearl Diamond Tiger's eye Cubic Zirconium (Fake diamond) Black Opal Taking the first letter of Amethyst, second of Emerald, etc.. gives Ambrosia - The food of the gods.
Description : The mixture of different ingredients of cement, is burnt at (A) 1000°C (B) 1200°C (C) 1400°C (D) 1600°C
Last Answer : (C) 1400°C
Description : To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between (A) 1100° and 1200°C (B) 1200° and 1300°C (C) 1300° and 1400°C (D) 1400° and 1500°C
Last Answer : D
Description : Pick up the correct statement from the following: (A) The baked earth is called terra-cotta (B) The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called ... clays which as mixed with stone and crushed pottery, are called stone ware (D) All the above
Description : 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
Description : In the manufacture of cement, the dry of wet mixtue of calcareous and argillaceous materials is burnt in a (a) A Rotary kiln (b) A Grinder (c) Country kiln (d) All the above
Last Answer : (a) A Rotary kiln
Description : Metallic oxides which react with both acid and base to produce salt and water are called A) Neutral Oxides B) Basic Oxides C) Amphoteric Oxides D) Acidic Oxides
Last Answer : C) Amphoteric Oxides
Description : In ideal pavement is constructed with (A) Bricks (B) Hard soil (C) Portland cement concrete (D) Tar
Description : Pick up the correct statement from the following: (A) Bricks are paid per thousand (B) Cement is paid per 50 kg bag (C) Lime is paid per quintal (D) All the above
Last Answer : (D) All the above
Description : According to Indian Standards Institute, the actual size of modular bricks is (A) 23 cm × 11.5 cm × 7.5 cm (B) 25 cm × 13 cm × 7.5 cm (C) 19 cm × 9 cm × 9 cm (D) 20 cm × 10 cm × 10 cm
Last Answer : (C) 19 cm × 9 cm × 9 cm
Description : For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is (A) 80 : 13 : 7 (B) 70 : 20 : 10 (C) 60 : 35 : 5 (D) None of these
Description : The size of modular bricks, is (A) 10 × 10 × 9 cm (B) 19 × 9 × 9 cm (C) 22.5 × 10 × 8.5 cm (D) 22.5 × 8.0 × 9 cm
Description : The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather throughout (A) The monsoon (B) The winter (C) The summer (D) None of these
Description : Refractory bricks are used for (A) Retaining walls (B) Columns (C) Piers (D) Combustion chambers
Description : Refractory bricks are (A) Neutral refractory bricks (B) Acid refractory bricks (C) Basic refractory bricks (D) All the above
Description : The presence of sand in brick earth prevents: (A) Cracking of bricks (B) Shrinkage of bricks (C) Warping of bricks (D) None of these
Description : Pick up the correct statement from the following: (A) The percentage of absorption for firebricks varies from 5 to 10 (B) The percentage of silica in silica bricks is to the extent of about 95 to 97 ... to 2 percent of lime in silica bricks is added to act as binding material (D) All the above
Description : Pick up the correct statement from the following: (A) The average crushing strength of hand moulded bricks is 6000 t/m2 (B) The average tensile strength of hand moulded brick is 200 t/m2 (C) The average shearing strength of hand moulded brick is 600 t/m2 (D) All the above
Description : 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
Description : Refractory bricks resist (A) High temperature (B) Chemical action (C) Dampness (D) All the above
Description : The standard size of masonry bricks, is (A) 18 cm × 8 cm × 8 cm (B) 19 cm × 9 cm × 9 cm (C) 20 cm × 10 cm × 10 cm (D) 21 cm × 11 cm × 11 cm
Description : The silica is used for preparing (A) Silica bricks (B) Coke oven (C) Lining for glass furnaces (D) All of these
Description : For one cubic metre of brick masonry, number of bricks required, is (A) 400 (B) 425 (C) 450 (D) 500
Description : 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