Description : List any four artificial construction materials.
Last Answer : Artificial construction materials. 1. Cement. 2. Brick. 3. Concrete. 4. Mortar. 5. Tiles. 6. Glass
Description : Enlist the different sound insulating materials and also state their suitability.
Last Answer : Different sound insulating materials: 1) Asbestos , 2) rock wool , 3)glass ,4)silk, 5)Han felt 6) Mineral wool boards, 7)cane fibers. 8) Acoustical plaster boards and tiles 9 ... tiles and acoustic plaster are suitable where absorption of sound required from tile to tile should be uniform.
Description : State the two uses of the following construction materials: i) Hollow blocks ii) Pavement blocks
Last Answer : i) Hollow Blocks: a) Used for external load bearing walls, b) Panel walls, c) Columns, d) Retaining Walls e) Compound Walls, f) Used for sound insulation g) It Keeps the house cool in summer ... give pleasant look d) Petrol pumps e) gardens f) Airports g) Kids play area h) Jogging tracks
Description : State the uses (two each) of the following construction materials: i) Soda lime glass ii) Ferrous metal
Last Answer : i) Soda lime glass: a) Used in window and plate glass b) Glass blocks c) Bottles d) Inexpensive table wares e) Fluorescent and incandescent light bulbs ii) Ferrous metal: a) CI (Cast Iron) ... GI sheets f) Carbon steel is used for making tools g) Weld meshes are used for partition and fencing
Description : Explain why you need agro and industrial waste as a construction materials.
Last Answer : 1. To maintain ecosystem. 2. To reduce / control pollution. 3. To reduce the cost of construction material. 4. To improve the required properties in construction materials like light weight product, ... 5. To solve the problem of industry waste disposal. 6. To conserve the natural resources.
Description : Give properties and uses of ceramic materials in construction.
Last Answer : Properties: 1. It is hard. 2. It is bristle. 3. It is in the form of amorphous (non-crystalline) 4. The structure is glassy. 5. It is insulator thermally & electrically. 6. It is ... porcelain. 6. For making POP. 7. For making electric. 8. For Manufacturing of sanitary wares, pavers.
Description : Explain the criteria for selection of construction materials for different civil engineering Structures on basis of their strength and durability
Last Answer : The material must be selected for their ability to support the loads imposed by the building over the whole life of the building. An appropriate structural system and correct selection of ... of the building. The construction material should have sufficient strength to carry the prescribed load.
Description : State the factors affecting selection of construction materials.
Last Answer : Following are the various factors being considered for selection of construction material. 1) Prescribed load: It is a design load which can be taken by the construction material. The ... the eco-system of environment and the required material should be eco-friendly or environmentally friendly.
Description : Describe the factors for selection of construction materials on the basis of strength.
Last Answer : Material must be selected for their ability to support the loads imposed by the building over the whole life of the building. An appropriate structural system and correct selection of ... replacement requirement, but the material should also be appropriate for expected life of the building.
Description : Enlist constituents of Plaster of Paris and state the two uses of Plaster of Paris
Last Answer : The constituents of POP are It consists of calcium sulphate. It is chemically CaSO4. 1/2 H2O. It is obtained by calcining gypsum at 120 deg. C. by removing ¾ of water of crystallization. ... Used by orthopedic surgeon for setting bones g) Used for wall plasters, wall boards, structural tiles.
Description : Enlist any four properties of ferrocrete
Last Answer : 1. It can be used in construction of roads and walkways. 2. It has higher early strength 3. Quick setting 4. Early demolding, handling and use of precast units 5. More finely grounded ... building material made from combination of concrete and iron. 10 It is highly resistant to wear and tear
Description : Enlist any four types of special bricks
Last Answer : a) Acidic bricks b) Perforated bricks c) Silica bricks d) Colored bricks e) Fire bricks f) Blue bricks g) Fly ash bricks h) Engineering bricks i) Refractory bricks j) Sand lime bricks
Description : Enlist any four types of flooring tiles.
Last Answer : Types of flooring tiles: Shahabad, Kotah, Ceramic, Granite, Marble, Vitrified, Glazed, Plastic tiles Concrete tiles, Mosaic tiles, Clay tile.
Description : Enlist the methods of quarrying and explain any one in brief.
Last Answer : The process of taking out stones from natural rock beds is known as quarrying of Stones. Methods of Quarrying of Stones: - 1.Digging 2.Heating 3.Wedging 4.Blasting 1. Digging ... Large blocks of stones are obtained by using blasting powder but small blocks are obtained by using dynamite.
Description : Enlist the types of paints.
Last Answer : Different types of paints are : 1) Oil paint 2) Water Paint 3) Cement Paint 4) Plastic Paint 5) Aluminium Paint 6) Velvet Finish Paint 7) Elastic Paint The paints are also divided ... water and chemicals, ii) Urethane oils, iii) Ship paints, iv) Anticondensation paints, v) Antifouling paints.
Description : Define seasoning of timber. Explain artificial seasoning with sketch.
Last Answer : Definition of seasoning: Seasoning is process by which moisture content in freshly cut tree is reduced to a suitable level. Artificial seasoning: 1.Boiling - In this method timber is immersed in ... has been tried in some plywood industries but not in seasoning of timber on mass scale.
Description : Define artificial Sand. State the Uses of artificial Sand.
Last Answer : Definition of Artificial Sand: The sand which is obtained from stone crusher after crushing the natural stone. Uses of Artificial Sand: 1.It is used in manufacturing of concrete. 2.it is used for ... 5. It is used in road construction. 6. It is used as fine aggregates for concrete.
Description : Write the situations where Geo-synthetic material products and artificial timber is used.
Last Answer : Geosynthetic material products are used in following situations1) When there is a possibility of piping i.e. soil movement due to movement of water. To prevent soil movement (piping), while letting ... ) When it is necessary to improve the appearance with the use of artificial timber for flooring.
Description : Explain about Agro waste material. State its importance in construction.
Last Answer : Waste materials produced from agricultural byproducts such as coconut shells, sugarcane bagasse, straw, rice husk, coconut fibers, coconut and areca nut tree trunks, coconut leaves etc. are known ... floor tiles, brushes, mattresses j) Mixed with cement mortar which increases the impact strength
Description : State the applications of soils as a construction material.
Last Answer : Soil is naturally obtained from disintegration of rocks when they are exposed to atmosphere by weathering agents like sun, wind, rain, frost etc. Applications of Soil : Soil is used as construction and ... is used in manufacturing of bricks and tiles. Sand from soil is used in filter bed.
Description : Describe the scope of construction material in environmental engineering.
Last Answer : The goal of environmental engineering is to ensure the community development and the sensible use of water, land and air resources to make them sustainable. This goal is achieved by managing ... , artificial sand , waterproofing and damp proofing material of required quality and quantity is used.
Description : Suggest the type of cement used for the following : (i) For modular construction where form work needs to be removed early for re-use. . (ii) Mass concreting such as construction of dam. (iii) Decorative works in external surfaces of building. (iv) Cementing the oil well.
Last Answer : i) For modular construction where form work needs to be removed early for reuse. – Rapid Hardening Cement ii) Mass concreting such as construction of dam. – Low heat cement. iii) Decorative works in external surfaces of building – Coloured cement. iv) Cementing the oil well. – Oil Well Cement.
Description : State various thermal insulating materials. State any two properties of insulating material
Last Answer : Thermal insulating materials: 1) Asbestos 2) Aluminum Foil 3) Thermocol 4) Saw dust 5) Cork board slabs 6) Foam glass 7) Rock Wool 8) Glass Wool 9) ... . h) Presence of Moisture: with the increase in moisture content, the coefficient of thermal conductivity rises greatly
Description : What do you mean by eco-friendly building materials? State any two properties of it.
Last Answer : Eco-friendly means earth-friendly or not harmful to the environment. This term most commonly refers to products that contribute to green living or practices that help conserve resources like water and ... It reduces air pollution, land pollution & water pollution. 7. It is locally available.
Description : Explain about geo synthetics materials. Mention application of it
Last Answer : Geosynthetics are man-made materials used to improve soil condition. Geo means earth or soil and synthetics means man made. Geo grids, geo textiles, geomembranes, geo cells are some of the ... hill sides. h) Reinforced soil- soil walls, bridge abutments, culverts, bridges, soil arches
Description : What are the properties of sound insulating materials?
Last Answer : Properties of sound insulating materials: 1. It should be light in weight 2. Easy to handle and fix 3. It should be resistant to attack termite and insect 4. It should have low density and porous texture 5. It should be fire resistance 6. It should be moisture resistance
Description : Describe the broad classification of materials.
Last Answer : Materials can be classified into following types: 1) Natural materials 2) Recycled materials 3) Artificial materials 4) Special materials 5) Finishing materials 1) Natural construction ... and roofing. Varies types of tiles are available in market like Vitrified, Shahabad, Mosaic etc
Description : State the materials required for irrigation structures in general.
Last Answer : 1) Cement 2) Aggregate 3) Sand 4) Soil 5) Brick 6) Fly Ash 7) Tiles 8) Stones 9) Steel 10) Bitumen etc.
Description : State the materials for different civil engineering structures.
Last Answer : 1. Natural materials- Stone,Sand,Timber etc.. 2. Artificial materials- Brick, Tile, Cement etc. 3. Special materials- Fibre, Bitumen etc. 4. Finishing materials- POP, Wall Cladding etc. 5. Recycled materials- Fly Ash, Rice Husk etc.
Description : State the Properties of thermal insulating materials.
Last Answer : Properties of thermal insulating materials: 1) Thermal insulating should be bio resistant and dry. 2) Thermal resistant should be chemically resistant and fire proof. 3) Thermal resisting ... in the moisture content in the material, the coefficient of thermal conductivity rises greatly.
Description : List the materials used for water proofing.
Last Answer : Following materials are used for water proofing Water proofing materials based on bitumen and tar binders are 1) Emulsions and pastes 2) Mastics . Hot and Cold Mastics Bitumen , ... ) Coated impregnated roll materials ii) Non Coated impregnated cardboard rolled materials 4) Sealing materials
Description : State situations where sound insulating and damp proofing materials are used.
Last Answer : Situations where sound insulating materials are used: 1) Glass, mineral wool mats, are used as sound insulators as solid inner layers underneath floors, 2) Wood fibre and asbestos cement slabs are used ... in toilet floors of upper story, so that no dampness will occur in slab below that floor.
Description : State suitability of: (i) Water proofing materials and (ii) Sound insulating materials
Last Answer : i) Suitability of water proofing materials: 1. Concrete, Bricks, Stones, plaster have tendency to get deteriorate, hence leakage of water may occur in slab, beam, columns. Bitumen and tars ... noise. 6) Acoustic tiles and acoustic plaster are suitable where absorption of sound is required.
Description : State the factors on which the selection of type of materials depend.
Last Answer : Factors for selection of materials. 1. Carry prescribed loads: The most significant requirement of a material used in civil engineering project is that it should be able to carry the design loads ... such as floor coverings, paints, and doors and window are chosen based on aesthetic consideration.
Description : State any two properties and any two uses of fly ash
Last Answer : Properties: a) It contains SiO2, Al2O3, Fe2O3, CaO and some toxic elements b) Flyash together with bottom ash is a non-hazardous material c) These particles are spherical in shape d) ... reclamation l) Used in cement production m) Production of roller compacted concrete n) Used in geopolymers
Description : Explain two properties and two uses of sand.
Last Answer : Properties: a) It is a naturally occurring granular material composed of finely divided rock and mineral particles. b) It is obtained by dredging of river, hence harmful for the ecosystem. Uses of sand: ... ) Manufacture of bricks d) Used in filtration of water e) Used to make casts.
Description : Define quarrying of stone. State any two methods of quarrying
Last Answer : The process of taking out stones from natural rock beds is known as quarrying of Stones. Methods: a) Digging b) Heating c) Wedging d) Blasting
Description : Write any two uses of rice husk and coir fibre.
Last Answer : Uses of rice husk : 1. To make sound insulating material. 2. To make thermal insulation. 3. Used in manufacturing of clay bricks. 4. To make high grade concrete & mortar. 5. Used as ... delicate articles. 6. Used for geotextile. 7. Used in plaster work to make crack resistant plaster.
Description : State any two types of glass along with its uses.
Last Answer : Following are the types of Glass and its uses 1) Silica Galss : It is used for fibrous glass, rod, tubing, optical windows, laboratory ware and ultra violet transmitting filters. 2 ... Glass : It is used for industrial piping, cooking utensils and high temperature thermometers, laboratory ware
Description : Write two uses of each : (i) Fly ash (ii) Blast furnace slag
Last Answer : I) Fly ash The various uses of fly ash are: 1) Concrete production, as a partial substitute material for Portland cement. 2) For the construction of embankments and other structural fills. 3) For ... and water proofing. 5) It is used as insulation in mineral wool, in rail road ballast etc.
Description : Give any two uses of granite and marble polishing waste.
Last Answer : Use of granite and marble polishing waste. 1. It is used in manufacturing of brick and tiles 2. It is used for filling joints in flooring. 3. It is used in self-compacting concrete.
Description : State any two uses of "Plaster of Paris".
Last Answer : Uses of Plaster of Paris. 1. It is used as architectural decoration material for false ceiling, cornices and other decorative feature in interior finish. 2. It is used for making casts for statues. 3. It is used for wall plasters, wall board etc. 4. Ornamental work.
Description : State any two uses of precast concrete blocks.
Last Answer : Uses of precast concrete block. 1. In parking areas, footpaths, on road to give pleasant look. 2. Fencing poles for fencing work. 3. It is used for loadbearing masonry, in earthquake zones. 4. Lightweight blocks for partition walls.
Description : State four types of special mortars and give one use of each
Last Answer : a) Fire resistant mortars: Uses: a) Used with fire bricks for lining furnaces b) Used at fire places, ovens etc. b) Injection mortar: Uses: a) For protecting the reinforcement from ... room in hospitals and clinics f) Light weight mortar: Used in sound proof and heat proof constructions.
Description : Define asphalt and state any three properties of asphalt.
Last Answer : Definition: It is a form of bitumen which is sticky, black and viscous liquid or semisolid in nature. Aggregates + bitumen = asphalt. OR It is an artificial mixture of bitumen and inert matter like alumina, ... cooled. 8. It is tough and durable material 9. It is soluble in C2S, Benzene, Naptha
Description : State the properties and uses of distemper
Last Answer : Properties: a) Less durable than paint b) Easy to apply c) Poor workability d) Available in variety of shades e) Costly f) Gives smooth and pleasing surface g) Uses: a) ... surfaces on plastered cement concrete of buildings b) To paint the buildings from outside in areas of low rainfall
Description : State important properties and uses of geopolymer cement
Last Answer : Properties: a) It gain ultimate strength within 24 hours and cures more rapidly than OPC. b) It has an ability to form strong chemical bond with all types of reagents and water. c)It ... of fresh water via the elimination of fly-ash disposal sites. h) Various applications in building industry
Description : Explain defects in timber with neat labeled sketches
Last Answer : a) Knots: These are the bases of branches which are broken off from the tree. This occurs because of improper cutting of tree. b) Shakes: These are cracks in the timber which appear due to excessive frost or ... of timber f) Bow: This is bending along the longer side of timber.
Description : Explain the method by which waterproofing of existing old slab can be done.
Last Answer : i) Clean the slab ii) Expose cracks by tools and make them V' shaped. iii) Fill mix of cement mortar iv) Fill brick bats and sand over the slab v) Sprinkle cement slurry and paste of water proofing ... tiles over the layer of cement mortar 1:3 vii) Cure it for 3 days and slab is water proof.
Description : Suggest the type of glass used for the following work: i) Making panel of partition wall ii) Cashier Cabin iii) Skylight iv) Door Shutter
Last Answer : i) Making panel of partition wall: Block glass OR Sheet Glass OR chipped and ground glass OR soda lime glass ii) Cashier Cabin-Polished plate glass OR bullet proof glass OR soda lime glass OR laminated ... clear window glass or lead glass iv) Door Shutter: Soda lime glass OR tempered glass