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Approximately 14 litres of water is required to hydrate each bag of cement. Soon after the concrete is placed, the increase in strength is very rapid (3 to 7 days) and continues slowly thereafter for an indefinite period. Concrete moist cured for 7 days is about 50 per cent stronger than that which is exposed to dry air for the entire period.
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Chapter 1: Introduction Definition of Concrete Concrete is a mixture of cement (11%), fine aggregates (26%), coarse aggregates (41%) and water (16%) and air (6%). Cement ‹ Powder Cement + Water ‹Cement Paste Cement Paste + Fine Aggregate (FA) ‹ Mortar Mortar + Coarse Aggregate (CA) ‹ Concrete
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Q-NO: 8 The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept A. 0.7 B. 0.8 C. 0.9 D. 0.6 ANS: C ... Frequently Asked Concrete Technology Multiple Choice Questions And Answers PDF;
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Sep 26, 2020(c) 0.762 and 0.610, (d) 0.452 and 0.510, Answer, Question 2. The Indian Railway is now reorganised into: (a) 14 zones, (b) 15 zones, (c) 16 zones, (d) 17 zones, Answer, Question 3. Which of the following is a factor in influencing the distribution pattern of the Railway network in the country. (а) Physiography, (b) Economic, (c) Administrative,
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Oct 3, 2021Fibre reinforced concrete (FRC) is Portland cement concrete reinforced with more or less randomly distributed fibres. ... in civil engineering field. Glass Fibre Reinforced Concrete (GFRC) is a recent introduction in the field of concrete technology. GFRC has advantage of being light weight, high compressive strength and flexural strength ...
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5. Where the masonry is provided with steel reinforcing bars, the bars should be embedded with adequate cover in cement concrete of grade _____ a) M 5 b) M 10 c) M 35 d) M 15 Answer: d Clarification: Where the masonry is provided with steel reinforcing bars, the bars should be embedded with adequate cover in cement concrete of grade M 15.
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This Quiz is a MCQ (Multiple Choice Questions and Answers) type focus on Basic Civil MCQs covering the topic "Composition of Concrete".This is chosen from most authorized and best reference books on Civil Engineering.This MCQs help in various competitive exam like GATE, PSU, MAKAUT EXAM, IIT EXAM etc. The answers to the solved questions in this Test: Our practice set provide a good balance of ...
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The clinker is then removed from the kiln to cool, ground to a fine powder, and mixed with a small fraction (about five percent) of gypsum to create the most common form of cement known as Portland cement. 2.2. Benefits of using alternative fuels in cement production Cement producers worldwide are striving to lower their production costs.
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1. Modulus of Elasticity Based on ACI 318-14. According to ACI 318-14 section 19.2.2, the modulus of elasticity of concrete is evaluated as follows : For concrete, the unit weight (wc) ranges from 1440 to 2560 Kg per cubic meters. For normal weight concrete :
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cementing is considered simply as a means of plugging up the annulus between the casing and borehole wall. Little attention is paid to methods and materials, and a poor cement job is the result. This can result in lost production zones, cold water leaking into production zones, geothermal water leaking into
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Permeability of Concrete, Definition: the ability of a given concrete to permit liquids or gases to pass through.-, ACI Concrete Terminology, Permeability is a measure of the amount of water, air, and other substances that can enter the concrete matrix. Concrete contains pores that can allow these substances to enter or depart.
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For tips on this, check out Bob Harris's video or get a copy of his Guide to Stamped Concrete -joints are covered in Chapter 23. Saw-cut contraction joints are ideal for decorative concrete because the joint is narrower and cleaner than a tooled joint. Early-entry saws make a nice, clean cut for decorative concrete joints.
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Importance of MCQs. Vedantu subject matter experts have established Class 12th chapter-wise practice questions as per the importance of the chapter in the CBSE board examination. This practice set contains 10 questions on Chemistry's "Chapter: Chemistry in Everyday Life" with detailed explanations. Solved MCQs of Chemistry in Everyday Life
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This Quiz is a MCQ (Multiple Choice Questions and Answers) type focus on Basic Civil MCQs covering the topic "Mortar".This is chosen from most authorized and best reference books on Civil Engineering.This MCQs help in various competitive exam like GATE, PSU, MAKAUT EXAM, IIT EXAM etc. The answers to the solved questions in this Test: Our practice set provide a good balance of easy and ...
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Biogas can be produced from raw materials such as agricultural wastes, manure, municipal wastes, plant material, sewage, food waste, etc., Biogas is produced under anaerobic condition, when the organic materials are converted through microbiological reactions into gas and organic fertilizer. Biogas primarily consists of methane (63 percent ...
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C143/C143M - Slump of Hydraulic-Cement Concrete; C138/C138M - Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete; C231 - Air Content of Freshly Mixed Concrete by the Pressure Method; C173/C173M - Air Content of Freshly Mixed Concrete by the Volumetric Method; C31/C31M - Making and Curing Concrete Test Specimens in the Field
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MCQ OF RCC STRUCTURE 1. In reinforced cement concrete structures, the steel reinforcement consists of Deformed bars Cold twisted bars Mild steel and medium tensile steel bars All of these (Ans) 2. A twisted bar has about...more yield stress thanordinary mild steel bar 10% 20% 35% 50% (Ans) 3.
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Jan 19, 2022Page 1 : Chapter 1, GENERAL, Syllabus, Reinforced Cement Concrete Concept of Composite Material - Purpose of Providing Reinforcement, Materials used in R.C.C and their Requirement - Different Grades of Cement and Steel Characteristic, Strength and Grades of Concrete Modular Ratio, Types of Loads on Structures as Per (IS: 875),, Analysis, Design and Detailing: Methods of Design Working Stress ...
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Mar 20, 20211 - In reinforced cement concrete structures, the steel reinforcement consists of (a) deformed bars (b) cold twisted bars (c) mild steel and medium tensile steel bars (d) all of these ANSWER 2 - A twisted bar has about .... more yield stress than ordinary mild steel bar. (a) 10% (b) 20% (c) 35% (d) 50% ANSWER 3.
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Sep 26, 2021Solving Class 10 SST Geography Chapter 7 MCQ, can be of great help to students as they will be aware of all the concepts. ... Of cement or concrete (d) Of cement or concrete or even bitumen of coal. Answer. Answer: (d) Of cement or concrete or even bitumen of coal ... With the development in science and technology, the area of influence of ...
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Elements of Remote Sensing. UPSC Civil Service Exam Questions. Building Construction. Concrete Technology. Advanced Surveying. Strength of Materials. Water Resources Engineering. Water Supply Engineering. Steel Structure Design.
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It is a Multiple Choice Questions Bank with answers. concrete technology 3350602 calcareous materials for cement production lime stone chalk both of above ans
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= Concrete Strength, = Workability, Water-cement Ratio, = Concrete Strength, = Workability, fHOW TO CALCULATE WATER-CEMENT RATIO? Example; If 27 liters of water used to mix a bag of cement, determine the quantity of water-cement ratio of the mixture,
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This set of Concrete Technology Multiple Choice Questions & Answers (MCQs) focuses on "Various Testing Methods". 1. Identify the type of destructive testing. a) Radiographic test b) Dye penetrant test c) Creep test d) Visual testing 2. Which test can be performed without skilled labor? a) Probe test b) Bend liquid test c) Dye penetrant . Read more
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The materials being used for making the building are cement, wood, iron rods, sand, stone chips, bricks etc. (i) Try and guess how many trucks of bricks and bags of cement will be used for making the building. Answer-5,000 trucks of bricks and 1, 00,000 bags of cement will be used for making the building. 3. How do the material reach the ...
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Concrete, an artificial stone-like mass, is the composite material that is created by mixing binding material (cement or lime) along with the aggregate ( sand, gravel, stone, chips, etc.), water, admixtures, etc in specific proportions. The strength and quality are dependent on the mixing proportions. The formula for producing concrete ...
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r c c structures mcq || part 1 || reinforced cement concrete structure || 30 mcq with answer concrete technology mcq || part 1 || ct 30 mcq with answer with photographs || civil engineering 100 most important surveying mcq for competitive exam with answers grade of concrete and water cement ratio questions | ssc je - 2014 morning
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chapter: Installation, Erection and Commissioning, 131. Which of the following is/are surface fabricated structures? a. bridge, B. pressure vessels, c. both, d. none, c.both, 132. The process offilling the slurry between the base of machine bed plate and foundation isknown as, a. filling, B. pouring, c. fixing, d. grouting, discuss, d.grouting,
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College / School Students. Here's the list of chapters on the "Basic Civil Engineering" subject covering 100+ topics. You can practice the MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. The section contains multiple choice questions and answers on classification and properties of stones and
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Fly ash affects the sulphate attack. (a) True (b) False The question was posed to me in semester exam. This intriguing question comes from Mass Concrete and Chemical Action in chapter Durability of Concrete of Concrete Technology
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Solved MCQs for Concrete Technology, With PDF download and FREE Mock test. Engineering. Computer Science Engineering; Mechanical Engineering; Civil Engineering; Information Technology Engineering ... After 28 days of curing, cement gains have been found to have hydrated to a depth of only...u. a. 2 . B. 3 . c. 4 . d. 6 . discuss. c. 4. 3 ...
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Pick up the correct statement from the following: Options are : All the above. Large size aggregates increase the workability due to lesser surface area. An increase in water content must be accompanied by an increase in cement content. The slump of the concrete mix decreases due to an increase in temperature.
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Sep 22, 2021Radhakrishna, Predicting the Compressive Strength of Fly Ash Concrete Based on Cement Replacement Level, Indian Concrete Journal, March 2103, Volume 87, Number 3, pp17-23. View 5 Recommendations
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1. To determine the modulus of rupture, the size of test specimen used is, a) 150 x150 x500 mm, b) 100 x100 x700 mm, c) 150 x150 x700 mm, d) 100 x100 x500 mm, Ans: c, 2. The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called, a) segregation, b) bleeding, c) bulking,
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Jan 20, 2022Question. Name the professional body whose guidelines or code of conduct are to be followed by lawyers. Ans. Bar Council of India. Question. Mention two types of primary industries. Ans. (a) Extractive industries. (b) Genetic industries. We hope you liked the above provided MCQ Questions Chapter 1 Business Trade and Commerce Class 11 Business ...
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These Civil Engineering MCQ Questions are selected supported by the newest exam pattern. Q1. To obtain a very high strength concrete, use very fine grained (A) Granite (B) Magnetite (C) Barite (D) Volcanic scoria Show Answer Q2. According to the recommendations of IS : 456-1978, the expansion joints (A) Are provided where plane changes abruptly
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A two-story building locally named Carbonhaus on the campus of Technical University in Dresden, Germany is under construction which will be the first building in the world built entirely on Carbon Reinforced Concrete. The building has a covered area of 2200 Square feet and will be completed with a budget of 5 Million Euros (US$5.63 million).
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chapter: Pumps. 151. In centrifugal pumps, their capacity is affected due to ... Fluid Mechanics (FM) Multiple choice questions and answers, Important mcq of Fluid Mechanics (FM), Solved mcqs for Fluid Mechanics (FM), ... Design of Reinforced Cement Concrete Elements; Foundation engineering; Prefabricated Structures;
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MCQ Chemical TD MCQ Circuit in AC MCQ Circuit T&C MCQ Civil SOM MCQ Compressors MCQ Computer Hardware MCQ Computer Networks MCQ Concrete Technology MCQ Construction MCQ CS Algorithms MCQ. The range is 0.35-0.45. WC ratio can take any value from the range. For every kilogram of cement, about 0.42Kg of water is needed to fully complete hydration ...
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1- it had impact on the color of cement. More C3A the cement is more white 2- C3A regenerate high heat of hydration . Cement with high C3A generates higher heat of hydration than cement contains...
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