Description : Pick up the correct statement from the following: (A) Water enables chemical reaction to take place with cement (B) Water lubricates the mixture of gravel, sand and cement (C) Strength of concrete structure largely depends upon its workability (D) All the above
Last Answer : (D) All the above
Description : While mixing sand, gravel, and cement for the foundation of a house, a worker noticed a small bird hopping along the top of the foundation wall. The bird misjudged a hop and fell down one of the holes ... . What would be the easiest way to get the bird out of the hole without injuring it? -Riddles
Last Answer : Since they had plenty of sand available, they could pour a little at a time into the hole. The bird would constantly keep shifting its position so that it stood on the rising sand.
Description : Consider the following statements. The role of the gravel bed in a rapid sand filter is : 1. To filter out large suspended matter 2. To support the sand bed above it 3. To prevent the escape of sand particles 4. To uniformly ... and 5 b) 2, 3 and 4 only c) 3, 4 and 5 only d) 1, 2 and 3 only
Last Answer : b) 2, 3 and 4 only
Description : If I'm building a patio out of big flagstones, do I need to put down a layer of gravel or sand under the stones.
Last Answer : answer:Absolutely. It will help with drainage and also make it easier to get them level. Edit :: I should add that I helped my BIL do this a few times and he is a licensed contractor and electrician.
Description : Is sand and gravel a solution?
Last Answer : Nope... it's a mixture.
Description : How Continental deposit of gravel and sand?
Last Answer : What is the answer ?
Description : Is separating sand from gravel a chemical change or physical change?
Last Answer : It's Physical your just separating your not mixing chemicals and what not(:
Description : Which of the following is the correct order of increasing size of the grains of soil particles? 1. Clay 2. Silt 3. Sand 4. Gravel (a) BCDA (b) ABCD (c) DCBA (d) ADCB
Last Answer : Ans: (b)
Description : Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor. (A) Flight (B) Slat or drag (C) Ribbon (D) Screw
Last Answer : (D) Screw
Description : Deep black soil is productive due to high proportion of (a) sand and zinc (b) gravel and calcium (c) clay and humus (d) silt and earthworm.
Last Answer : (c) clay and humus
Description : A well is considered to be good if it is sunk into (A) Clay (B) Sand (C) Coarse gravel (D) Silt
Last Answer : (C) Coarse gravel
Description : The specific retention is least in case of (A) Clay (B) Sand (C) Silt (D) Coarse gravel
Last Answer : (D) Coarse gravel
Description : Percussion drilling is unsuitable in (A) Unconsolidated sand (B) Unconsolidated gravel (C) Quick sand (D) Consolidated rocks
Last Answer : (D) Consolidated rocks
Description : Which of the following soils has more plasticity index? (A) Sand (B) Silt (C) Clay (D) Gravel
Last Answer : (C) Clay
Description : If the permeability of a soil is 0.8 mm/sec, the type of soil is (A) Gravel (B) Sand (C) Silt (D) Clay
Last Answer : (B) Sand
Description : For a given size of bucket, the ideal output of a dragline will be least in (A) Moist loam (B) Sand and gravel (C) Good common earth (D) Wet sticky clay
Last Answer : (D) Wet sticky clay
Description : Particles of 0.002 mm size are that of (A) Clay (B) Sand (C) Gravel (D) None of these
Last Answer : Answer: Option A
Description : Good quality sand is never obtained from (A) River (B) Lake (C) Sea (D) Gravel powder
Last Answer : Answer: Option C
Description : Pick up the rock which is not a sedimentary rock from the following: (A) Gravel (B) Sand stone (C) Gypsum (D) Dolerite
Last Answer : Answer: Option D
Description : For reinforced concrete, the aggregate used is (a) Sand (b) Gravel (c) Crushed rock (d) All of these
Last Answer : (d) All of these
Description : A rock composed of cemented sand and gravel is: w) shale x) conglomerate y) granite z) marble
Last Answer : ANSWER: X -- CONGLOMERATE
Description : A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is (A) 500 m3 (B) 1000 m3 (C) 1500 m3 (D) 2000 m3
Last Answer : (C) 1500 m3
Description : A thick paste of cement, sand and water is called – (1) Concrete (2) R.C.C. (3) Mortar (4) Kiln
Last Answer : (3) Mortar Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. Modern mortars are typically made from a mixture of sand, a binder such as cement or lime, and water
Description : A thick paste of cement, sand and water is called (1) Concrete (2) R.C.C. (3) Mortar (4) Kiln
Last Answer : Mortar
Description : Shrinkage volume in cement setting does not depend upon the (A) Sand to cement ratio (B) Water to cement ratio (C) Ambient temperature fluctuation (D) Drying period
Last Answer : (A) Sand to cement ratio
Description : In water bound macadam roads, binding material, is (A) Sand (B) Stone dust (C) Cement (D) Brick dust
Last Answer : Answer: Option B
Description : Sand requiring a high water cement ratio, belongs to (A) Zone I (B) Zone II (C) Zone III (D) Zone IV
Description : Separation of water or water sand cement from a freshly concrete, is known (A) Bleeding (B) Creeping (C) Segregation (D) Flooding
Description : Pick up the incorrect statement from the following. For performing compressive strength test of cement (A) Cement and standard sand mortar are used in the ratio of 1 : 3 (B) Water is added at the ... cm 10 cm is used (D) The prepared moulds are kept in a atmosphere of 50% relative humidity
Description : Concrete gains strength due to (A) Chemical reaction of cement with sand and coarse aggregates (B) Evaporation of water from concrete (C) Hydration of cement (D) All the above
Description : In order to prepare a test specimen, it is necessary to (a) Mix the cement and fine aggregate (sand ) dry hand (b) Mix the coarse aggregate (c) Mix water to the cement, fine aggregate and coarse aggregate (d) All of the above
Last Answer : (d) All of the above
Description : Concrete gains strength due to [ A ] Chemical reaction of cement with sand and coarse aggregates [ B ] Evaporation of water from concrete [ C ] Hydration of cement [ D ] All the above
Last Answer : [ C ] Hydration of cement
Description : When sand is mixed with water , why does it not dissolve ?
Last Answer : Because it falls into the stage of heterogeneous mixture.
Description : How does the ratio sand to cement effect the strength of concrete?
Last Answer : Need answer
Description : Fusion of limestone and __________ produces high alumina cement. (A) Sand (B) Bauxite (C) Quicklime (D) Calcite
Last Answer : (B) Bauxite
Description : The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is (A) 1 : 2 : 4 (B) 1 : 3 : 6 (C) 1 : 1½ : 3 (D) 1 : 1 : 2
Last Answer : (C) 1 : 1½ : 3
Description : The commonly used material in the manufacture of cement is (A) Sand stone (B) Slate (C) Lime stone (D) Graphite
Last Answer : (C) Lime stone
Description : For batching 1:3:6 concrete mix by volume, the ingredients required per bag of 50 kg cement, are: (A) 70 litres of sand and 120 litres of aggregates (B) 70 kg of sand and 140 litres of ... C) 105 litres of sand and 140 litres of aggregates (D) 105 litres of sand and 210 litres of aggregates
Description : If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is (A) M 100 (B) M 150 (C) M 200 (D) M 250
Description : The commonly used raw material in the manufacture of cement, is (A) Slate (B) Sand stone (C) Lime stone (D) Basalt
Description : In a mortar, the binding material is (A) Cement (B) Sand (C) Surkhi (D) Cinder
Description : For testing compressive and tensile strength of cement, the cement mortar is made by mixing cement and standard sand in the proportions of (A) 1 : 2 (B) 1 : 3 (C) 1 : 4 (D) 1 : 6
Description : For plastering the exposed brick walls, the cement sand mortar should be (A) 1 : 2 (B) 1 : 3 (C) 1 : 4 (D) 1 : 6
Description : For different layers of cement concrete floor. Pick up the incorrect statement from the following: (A) The lowest layer consists of consolidated ground (B) A 10 cm thick clean sand is laid on consolidated ground (C) ... sand (D) A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer
Last Answer : Option D
Description : The ratio of differenct ingredients (cement, sand and aggregate) in concrete mix of grade M20 is. (a) 1:1:2 (b) 1:1.5:2 (c) 1:2:4 (d) 1:3:6
Last Answer : (b) 1:1.5:2
Description : The constituent of cement which act as Binders are a) Sand and silica b) Silica and carbon c) tricalcium silicate dicalcium silicate and carbon d) tricalcium aluminate,dicalcium silicate and tricalcium silicate *
Last Answer : d) tricalcium aluminate,dicalcium silicate and tricalcium silicate *
Description : The surface of a "desert pavement" is composed mainly of which of the following? w) loose sand x) sand and clay y) pebbles and boulders z) concrete and cement
Last Answer : ANSWER: Y -- PEBBLES AND BOULDERS
Description : The most suitable material for the central impervious core of a zoned embankment type dam is (A) Clay (B) Coarse sand (C) Silty clay (D) Clay mixed with fine sand
Description : Sand is mixed with lime to a) Reduced cost b) Reduced setting time c) Prevent shrinkage and cracking* d) Improve visual appearance
Last Answer : c) Prevent shrinkage and cracking