2. Second stage - It involves technical interview in a panel of 4-5 people. View Answer. I want to do a shed base of 7 sq metres and 4" deep. Green cement is: Please enter your mail id before submitting to get the correct answers on your mail. Which of these two is more likely to advertise? This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Properties of Cement”. b) 33-35 mm from top of the mould d) Absolute setting time Why is natural cement used very limitedly? b) Standard consistency is not met with Question4: What are all the raw materials of the cement? d) Ability to retain volume after setting. a) Ability to flow when mixed View Answer, 11. The automobile industry is a differentiated oligopoly. b) Higher strength What is the initial setting time of cement? View Answer, 12. Rapid hardening cement, 3. Cement Plant Related Interview Questions. View Answer, 6. Cement - Cement - History of cement: The origin of hydraulic cements goes back to ancient Greece and Rome. Question3: Define batching, what are all the methods of batching? Be sure to click Submit Quiz to see your results! Hi all, I was wondering if you can help? About this page. I have been advised by a conservation surveyor to remove gypsum plaster and any underlying cement from 2 internal living room walls. Use of coarser cement particles leads to: Expansive cements were developed to prevent severe cracking may occur as a result of the shrinkage. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Participate in the Sanfoundry Certification contest to get free Certificate of Merit. b) Ability to make ringing noise when struck View Answer, 8. M.I. The cement industry is an example of an undifferentiated oligopoly. Civil PowerPoint Presentations | Civil ppts, Join CivilDigital WhatsApp Groups | Civil Engineering WhatsApp groups, Strength of Materials – Quiz and Interview Questions, Concrete and its Properties – Take a Quiz for Interview, Repair Techniques for Cracks in Concrete – Crack Repair, Design of Trickling Filters & Common Operational Issues, Types & Purpose of In-situ Rock Tests for Foundation Design, Interview Questions for Structural Engineers Part A, 20 Applications Artificial Intelligence in Civil Engineering & Construction, Home Construction Quotes: Where to Get Them, Irrigation Engineering Quiz Part A – Interview Questions. Cement MIS Archives (compressed files, .zip) |1965-1969 |1970-1974 |1975-1979 |1980-1989 |1990-1994 |1995-1999 |2000-2004 |2005-2009 |2010-2014 |2015-2017 | 2018 | U.S Production of Selected Mineral Commodities (Quarterly Mineral Industry Surveys) Annual Publications. The production process for portland cement first involves grinding limestone or chalk and alumina and silica from shale or clay. #Civil #Engineering #Building #Materials #Cement In this video you know about the basic knowledge of Cement. How much material ie sand and cement would I need to repoint 60sq meters of brick wall? a) 1 hour d) 100 microns Sánchez de Rojas Gómez, M. Frías Rojas, in Eco-Efficient Concrete, 2013. A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together. How much cement and sand do i need?? Figure 2-2 Electric Energy Intensity Comparison 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 CA Cement US Cement CA Mfg US Mfg GWh /production worker kWh per $ value added Sources: Utility Billing Data, CEC Forecast Database, 1997 Economic Census, 1998 MECS . Which Physical test do you think is more important to justify the cement quality? Any drying weakens the reaction so concrete that sets underwater can be stronger than concrete that sets in air. This formed the cementing material of the Roman mortars and concretes of more than 2,000 years ago and of subsequent construction work in western Europe. Choose the correct answer from the following MCQ. View Answer, 7. CiteScore: 11.0 ℹ CiteScore: 2019: 11.0 CiteScore measures the average citations received per peer-reviewed document published in this title. Sanfoundry Global Education & Learning Series – Basic Civil Engineering. Edited by Hegoi Manzano. This Glossary of terms used in cement, concrete cement analysis is available for free download. c) Sets too quickly Digital Concrete 2020. The production of cement involves a 5 stage, linear process that begins with … JS3000 is twin shaft horizontal forced type mixer. Since that time, a number of developments and improvements have been made in the production process and cement … Set alert . d) Joseph Aspdin, 1824 Cement manufacturing: components of a cement plant. View Answer, 3. Vicat apparatus is used, but the plunger is replaced by the steel needle in the form of a right cylinder of effective length 50 ± 1 mm and diameter 1,13 ± 0,05 mm. The Asks very basic questions related to your stream. The raw materials are proportioned, mixed, and then burned in large rotary kilns at approximately 2500°F until partially fused into marble-sized masses known as clinker. 6 answers. Ask a tradesman. 2. Answer The diagrams illustrate the phases and apparatus to make cement and how cement is utilised in the production of concrete for construction. Which of the following cement type is used in High-Temperature applications? Share on Facebook; Share on Twitter; Share on WhatsApp; Share via Email; Copy Link; Link Copied! 1. d) Particle size is too fine c) Universal testing machine (UTM) c) 33-35 cm from top of the mould a) Green coloured cement c) Low consistency b) It should feel cold when you put your hand in bag of cement The stone is crushed and kilned, or “calcined”, which releases CO 2 and leaves “quicklime”, calcium oxide (CaO). Airport-Related Cement Consumption Outlook, July 2017; U.S. Cement Manufacturing Capacity, February 2017 "The Wall" Impact on Cement Consumption, February 2017; Stronger Sentiment, Higher Interest Rates, January 2017; State Highway Paving, January 2017; Monitor Outlook Plus; Construction InVue; More Reports. Related Questions. b) Vibrator However, in the presence of Portland Cement, fly ash can develop strength characteristics very similar to cement. White cement, as the name indicates, is a kind of cement with white color. Question2: Differentiate dry process and wet process of manufacturing cement? a) Initial setting time A number of different types of cement are manufactured, by varying the ratio of the raw material and/or by adding some additional materials. Portland cement is not a brand name, but the generic term for the type of cement used in virtually all concrete, just as stainless is a type of steel and sterling a type of silver. » Plastering Questions » Question #66320. c) 15 minutes 10 June 2020. 4.4.1 Heat of hydration. Which equipment is used to test the setting time of cement? c) The colour should be blackish grey Download as PDF. What is the average particle size of cement? cement industry is slightly more electricity intensive that the U.S cement average. CiteScore values are based on citation counts in a range of four years (e.g. Portland cement was named for the Isle of Portland, a peninsula in the English Channel where it was first produced in the 1800’s. Edited by Karen Scrivener. They asked me about the ac motors and induction motors Answer Question; Ambuja Cements 2019-08-20 02:40 PDT. b) 45 microns View Answer, 5. Cement comprises from 10 to 15 percent of the concrete mix, by volume. Read below some important questions on cement which all are based on multiple choice answer ( mcq ) ", The role of the pozzolan in Portland Pozzolan Cements are to. b) False Which of the below mentioned is not a result of field test performed on cement? Question5: Write notes on steam curing? c) Ability to form strong and sound structure After the clinker cools, gypsum is added, and both materials are ground into a fine powder which is portland cement. b) Cement mixed with plant products It is the same as ordinary gray Portland cement except with respect to color and fineness. Ultra-rapid hardening cement. It's about 8 inches long, 2 wide, and goes up at a slope to end up about an inch high. Cement paste of standard consistence is used for this test. Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Related. View Answer, 2. Who invented Portland cement and in which year? Cement Hydration. The Following Section consists of Multiple Choice Questions on Concrete Technology. 13 November 2020. Related questions … Glossary of some terms used in cement, concrete and in the analysis of cementitious materials NOTES: 1. I'm suffering from a problem where I urge to eat chalk, paint and cement. Special Issue : Keynote Papers of International Conference on Cement Chemistry 2019, Prague. Why? d) Higher soundness Since that time, a number of developments and improvements have been made in the production process and cement properties. Jan 29, 2018; for the cement … The fly ash reacts with a chemical by-product of the cement hydration reaction called calcium hydroxide -CaOH-. All Rights Reserved. Cement PDF Format: What is the meaning of soundness of cement? Discussion in 'Building' started by leonangie93, 7 Oct 2011. leonangie93. Standard type Twin Shaft Concrete Mixer JS3000. c) Joseph Aspdin, 1840s To practice all areas of Basic Civil Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers. In this article I am sharing a multiple choice questions on cement and their uses , basically cement very common topic of civil engineering. a) Brown in Colour b) Standard consistency is not met with c) Sets too quickly d) Particle size is too fine View Answer. This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Properties of Cement”. Time elapsed from the instance of adding water until paste ceases to behave as fluid is called: a) Brown in Colour c) 75 microns Some of the most common cement classifications are: 1. The total mass of moving part is 300 ±1 g. Procedure calibration of Vicat apparatus with the needle is the same as for the apparatus with the plunger. Mineral Commodity Summaries. Question. ← Prev Question Next Question → Request Answer. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Basic Civil Engineering Questions and Answers – Calcination and Slaking of Lime, Next - Basic Civil Engineering Questions and Answers – Ingredients of Cement, Basic Civil Engineering Questions and Answers – Calcination and Slaking of Lime, Basic Civil Engineering Questions and Answers – Ingredients of Cement, Genetic Engineering Questions and Answers, Electronics & Communication Engineering Questions and Answers, Mechanical Engineering Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electrical Engineering Questions and Answers, Concrete Technology Questions and Answers, Instrumentation Engineering Questions and Answers, Highway Engineering Questions and Answers, Fluidization Engineering Questions and Answers, Aeronautical Engineering Questions and Answers, Best Reference Books – Technology, Engineering and Sciences, Agricultural Engineering Questions and Answers, Aerospace Engineering Questions and Answers, Chemical Engineering Questions and Answers, Basic Electrical Engineering Questions and Answers, Civil Engineering Drawing and Estimates Questions and Answers, Engineering Chemistry Questions and Answers – Construction Material Cement. Please share in comments below… Editor’s Note: This post was originally published in May 2017 and has been completely revamped and updated for accuracy and comprehensiveness. Portland cement concrete is a composite material made by combining cement, supplementary cementing materials, aggregates, water, and chemical admixtures in suitable proportions and allowing the resulting mixture to set and harden over time. d) Cement mixed with green algae The materials used were lime and a volcanic ash that slowly reacted with it in the presence of water to form a hard mass. View Answer, 9. a) Low durability b) 30 minutes Meaning of 53 grade cement: It means that, this type of cement shows minimum 53 N/mm 2 compressive strength after 28 days complete curing, when tested on CTM. a) 33-35 cm from bottom of the mould Portland cement was named for the Isle of Portland, a peninsula in the English Channel where it was first produced in the 1800’s. c) Intermediate setting time c) Cement mixed with recycled materials Your question and the answer could help others with the same type of challenges. d) It should not be gritty when rubbed with finger Why is natural cement used very limitedly? Wet cement can cause severe skin burns if not washed off with water immediately. a) Core cutter a) 15 microns Dental cement is normally used for a variety of dental and orthodontic procedures like, cavity lining material, to form a layer under metallic or ceramic restorations, to help protect the pulp from any injury, and fix inlays or onlays or any substance related to the dentin or enamel of a person’s tooth. 20 August 2019. d) 30 hours a) William Aspdin, 1824 Through a process called hydration, the cement and water harden and bind the aggregates into arocklike mass. Question– The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes. Quiz on Cement and Manufacture of Cement. Edited by Freek P Bos, Theo A.M. Salet, Rob Wolfs. Here you can ask a question about anything related to concrete. a) There should not be any lumps Meaning of 43 grade cement: It means that, this type of cement shows minimum 43 N/mm 2 compressive strength after 28 days complete curing, when tested on CTM. Yes, concrete doesn’t ‘ dry’ when it sets, it completes a chemical reaction. Most of the heat liberated during Hydration of Portland Cement is contributed by, "Finely ground cements will hydrate more rapidly, but they give rise to higher rates of heat liberation during hydration. a) True d) Vicat apparatus The weight percentage of Tricalcium silicate in OPC is nearly, Please enter your mail id to get the correct answers on your mail. This page and the linked pages below summarize the cement manufacturing process from the perspective of the individual components of a cement plant - the kiln, the cement mill etc.. For information on materials, including reactions in the kiln, see the ' Clinker ' pages. b) William Aspdin, 1840s Ordinary Portland Cement. 250+ Concrete Technology Interview Questions and Answers, Question1: What are all the types of cement? d) 33-35 mm from bottom of the mould We hope you find it useful - please do distribute it freely to any colleagues who may also benefit from it. To recap: Cement comes from limestone, which contains the mineral calcium carbonate (CaCO 3). View Answer, 4. Joined: 7 Oct 2011 Messages: 1 Thanks Received: 0 Location: California Country: So I bought a fish tank for two fire-bellied frogs that I have and made a small cement platform for them. Visitors to this site are encouraged to offer their expertise if they see a question they have a solution to or have had success using a product to fix a concrete related problem.
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