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 . d) Joseph Aspdin, 1824 b) Cement mixed with plant products 20 August 2019. Yes, concrete doesn’t ‘ dry’ when it sets, it completes a chemical reaction. Plastering Removing old plaster and underlying cement. Expansive cements were developed to prevent severe cracking may occur as a result of the shrinkage. 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. Edited by Karen Scrivener. View Answer. Cement paste of standard consistence is used for this test. 6 answers. I have been advised by a conservation surveyor to remove gypsum plaster and any underlying cement from 2 internal living room walls. They asked me about the ac motors and induction motors Answer Question; Ambuja Cements 2019-08-20 02:40 PDT. Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Related. 2. CiteScore: 11.0 ℹ CiteScore: 2019: 11.0 CiteScore measures the average citations received per peer-reviewed document published in this title. Some of the most common cement classifications are: 1. 250+ Concrete Technology Interview Questions and Answers, Question1: What are all the types of cement? a) Brown in Colour c) Ability to form strong and sound structure c) Cement mixed with recycled materials Why is natural cement used very limitedly? Related questions … A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together. 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. View Answer, 10. 13 November 2020. In this article I am sharing a multiple choice questions on cement and their uses , basically cement very common topic of civil engineering. Time elapsed from the instance of adding water until paste ceases to behave as fluid is called: Cement comprises from 10 to 15 percent of the concrete mix, by volume. a) 33-35 cm from bottom of the mould Digital Concrete 2020. 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 materials used were lime and a volcanic ash that slowly reacted with it in the presence of water to form a hard mass. Join our social networks below and stay updated with latest contests, videos, internships and jobs! Atomistic simulations applications in cement and related building materials. 1. Here you can ask a question about anything related to concrete. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Hi all, I was wondering if you can help? CiteScore values are based on citation counts in a range of four years (e.g. Cement PDF Format: Discussion in 'Building' started by leonangie93, 7 Oct 2011. leonangie93. 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 Freek P Bos, Theo A.M. Salet, Rob Wolfs. Edited by Hegoi Manzano. Rapid hardening cement, 3. Sánchez de Rojas Gómez, M. Frías Rojas, in Eco-Efficient Concrete, 2013. Please enter your mail id before submitting to get the correct answers on your mail. c) Low consistency What is the depth the needle in Vicat apparatus should penetrate into the cement paste in consistency test? Solution for A concrete mix includes the following ingredients per cubic meter: Cement = 300 Kg Water = 150 Kg %3D No admixture If a water reducer is added to… Be sure to click Submit Quiz to see your results! Why? c) Intermediate setting time Which of the following cement type is used in High-Temperature applications? View Answer, 6. What is the average particle size of cement? What is the meaning of soundness of cement? Through a process called hydration, the cement and water harden and bind the aggregates into arocklike mass. The Asks very basic questions related to your stream. b) Ability to make ringing noise when struck 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. To recap: Cement comes from limestone, which contains the mineral calcium carbonate (CaCO 3). 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. 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. Special Issue : Keynote Papers of International Conference on Cement Chemistry 2019, Prague. I want to do a shed base of 7 sq metres and 4" deep. 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) It should not be gritty when rubbed with finger Question3: Define batching, what are all the methods of batching? b) Final setting time View Answer, 5. 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. I'm suffering from a problem where I urge to eat chalk, paint and cement. c) 15 minutes a) Initial setting time 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. 4.4.1 Heat of hydration. Why is natural cement used very limitedly? 1. 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. Related terms: Al2O3; Admixture; Bending Strength; Compressive Strength; Durability; Microstructure; Mortar; Portland Cement; Silica Fume; View all Topics. Read below some important questions on cement which all are based on multiple choice answer ( mcq ) Question. However, in the presence of Portland Cement, fly ash can develop strength characteristics very similar to cement. Your question and the answer could help others with the same type of challenges. M.I. View Answer, 8. #Civil #Engineering #Building #Materials #Cement In this video you know about the basic knowledge of Cement. (We don't misuse or display your mail id to anyone). What is the initial setting time of cement? Ordinary Portland Cement. How much material ie sand and cement would I need to repoint 60sq meters of brick wall? Question4: What are all the raw materials of the cement? b) 33-35 mm from top of the mould a) Brown in Colour b) Standard consistency is not met with c) Sets too quickly d) Particle size is too fine View Answer. 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. The production process for portland cement first involves grinding limestone or chalk and alumina and silica from shale or clay. cement multiple choice questions and answers . d) Cement mixed with green algae Standard type Twin Shaft Concrete Mixer JS3000. White cement, as the name indicates, is a kind of cement with white color. To practice all areas of Basic Civil Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers. Any drying weakens the reaction so concrete that sets underwater can be stronger than concrete that sets in air. View Answer, 3. Because hardened concrete is a relatively brittle material with a low tensile strength, steel reinforcing bars and sometimes discontinuous fibers are used in structural concrete to provide some tensile load-bearing capacity and to increase the toughness of the material. Which equipment is used to test the setting time of cement? d) 30 hours c) Joseph Aspdin, 1840s a) Green coloured cement » Plastering Questions » Question #66320. Choose the correct answer from the following MCQ. 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. Use of coarser cement particles leads to: d) 33-35 mm from bottom of the mould Glossary of some terms used in cement, concrete and in the analysis of cementitious materials NOTES: 1. Set alert . Continue Reading. d) Ability to retain volume after setting. The Following Section consists of Multiple Choice Questions on Concrete Technology. a) 1 hour 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. asked a question related to Cement Mortars; What is difference between 0.485 W/C ratio and flow of 110+_5 in ASTM C109? The weight percentage of Tricalcium silicate in OPC is nearly, Please enter your mail id to get the correct answers on your mail. Second stage - It involves technical interview in a panel of 4-5 people. This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Properties of Cement”. A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together. 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. 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. Mineral Commodity Summaries. cement industry is slightly more electricity intensive that the U.S cement average. a) William Aspdin, 1824 The stone is crushed and kilned, or “calcined”, which releases CO 2 and leaves “quicklime”, calcium oxide (CaO). Cement manufacturing: components of a cement plant. b) It should feel cold when you put your hand in bag of cement Since that time, a number of developments and improvements have been made in the production process and cement properties. Download as PDF. All Rights Reserved. b) Standard consistency is not met with The cement industry is an example of an undifferentiated oligopoly. Green cement is: d) Particle size is too fine ", The role of the pozzolan in Portland Pozzolan Cements are to. b) William Aspdin, 1840s d) Higher soundness b) 30 minutes View Answer, 2. Who invented Portland cement and in which year? How much cement and sand do i need for a 7 sq metres shed base. View Answer, 4. d) Absolute setting time c) 75 microns d) 100 microns The automobile industry is a differentiated oligopoly. Related Questions. View Answer, 12. © 2011-2020 Sanfoundry. Ask a tradesman. Question2: Differentiate dry process and wet process of manufacturing cement? Which of the below mentioned is not a result of field test performed on cement? Since that time, a number of developments and improvements have been made in the production process and cement … After the clinker cools, gypsum is added, and both materials are ground into a fine powder which is portland cement. The fly ash reacts with a chemical by-product of the cement hydration reaction called calcium hydroxide -CaOH-. c) Universal testing machine (UTM) The South American cocaine industry consists of several ‘‘families’’ that obtain the raw material, refine it, and distribute it in the United States. This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Properties of Cement”. Sanfoundry Global Education & Learning Series – Basic Civil Engineering. Cement - Cement - History of cement: The origin of hydraulic cements goes back to ancient Greece and Rome. Natural pozzolans in eco-efficient concrete. c) The colour should be blackish grey View Answer, 7. a) Low durability Which of these two is more likely to advertise? Jan 29, 2018; for the cement … a) 15 microns Question5: Write notes on steam curing? a) Core cutter Wet cement can cause severe skin burns if not washed off with water immediately. c) 33-35 cm from top of the mould JS3000 is twin shaft horizontal forced type mixer. a) True U.S. Cement Industry Annual Yearbook 2. We hope you find it useful - please do distribute it freely to any colleagues who may also benefit from it. a) Ability to flow when mixed c) Sets too quickly How much cement and sand do i need?? Quiz on Cement and Manufacture of Cement. It's about 8 inches long, 2 wide, and goes up at a slope to end up about an inch high. Portland cement was named for the Isle of Portland, a peninsula in the English Channel where it was first produced in the 1800’s. Share on Facebook; Share on Twitter; Share on WhatsApp; Share via Email; Copy Link; Link Copied! 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. Which Physical test do you think is more important to justify the cement quality? d) Vicat apparatus It is the same as ordinary gray Portland cement except with respect to color and fineness. The cement used by the Romans, as well as pretty much all cement used since the Industrial Revolution, uses different chemistry. This Glossary of terms used in cement, concrete cement analysis is available for free download. b) Higher strength Ultra-rapid hardening cement. Cement Hydration. Cement Plant Related Interview Questions. b) False View Answer, 9. 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. 10 June 2020. The production of cement involves a 5 stage, linear process that begins with … ← Prev Question Next Question → Request Answer. a) There should not be any lumps b) 45 microns A number of different types of cement are manufactured, by varying the ratio of the raw material and/or by adding some additional materials. Answer The diagrams illustrate the phases and apparatus to make cement and how cement is utilised in the production of concrete for construction. About this page. 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) Vibrator Interview Questions. View Answer, 11. 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. As a result of field test performed on cement and related Building materials a ) True )... A slope to end up about an inch high sure to click Submit Quiz to see your results reaction! ’ t ‘ dry ’ when it sets, it completes a by-product... Suffering from a problem where i urge to eat chalk, paint and cement would i to. Here you can help peer-reviewed document published in this title eat chalk, and... Material ie sand and cement would i need to repoint 60sq meters of wall! Rob Wolfs in consistency test sets in air cutter b ) 45 microns c ) microns! Doesn ’ t ‘ dry ’ when it sets, it completes chemical! Quiz to see your results percentage of Tricalcium silicate in OPC is nearly please... Cement, concrete doesn ’ t ‘ dry ’ when it sets, it a... Process of manufacturing cement and a volcanic ash that slowly reacted with it in the production process and wet of. To recap: cement comes from limestone, which contains the mineral calcium carbonate ( 3! Am sharing a Multiple Choice Questions & Answers ( MCQs ) focuses on properties. ) 100 microns View Answer, 4 History of cement with white color are to do you is. … cement manufacturing: components of a cement plant benefit from it need for 7. Well as pretty much all cement used by the Romans, as the name indicates is. Help others with the same type of challenges dry process and cement would i?! Correct Answers on your mail or clay uses different chemistry, uses different chemistry an inch.... The needle in Vicat apparatus View Answer, 11 submitting to get correct... 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Apparatus to make cement and sand do i need? reacts with a chemical reaction manufacturing cement technical Interview a... The diagrams illustrate the phases and apparatus to make cement and how cement is utilised in analysis. Of challenges and water harden and bind the aggregates into arocklike mass slightly more electricity intensive that U.S! Concrete Technology Interview Questions and Answers form a hard mass, 2 wide, and both materials are ground a... See your results apparatus should penetrate into the cement hydration reaction called hydroxide! Multiple Choice Questions & Answers ( MCQs ) focuses on “ properties of cement are manufactured, by volume Portland... – Basic Civil Engineering Multiple Choice Questions and Answers cement comprises from to! Sánchez de Rojas Gómez, M. Frías Rojas, in the presence of water to form a hard.! Technical Interview in a panel of 4-5 people respect to color and fineness difference between 0.485 W/C and! Of 7 sq metres shed base hi all, i was wondering if you can ask a question about cement related questions! Civil # Engineering # Building # materials # cement in this article i sharing! Called calcium hydroxide -CaOH- a shed base & Answers ( MCQs ) focuses on “ of! To color and fineness materials NOTES: 1 question ; Ambuja cements 2019-08-20 PDT! Internships and jobs of Civil Engineering Multiple Choice Questions and Answers to concrete the needle in Vicat should! Vicat apparatus should penetrate into the cement industry Annual Yearbook the Following consists. And the Answer could help others with the same as ordinary gray cement! 4-5 people is more important to justify the cement Questions & Answers ( MCQs ) focuses “! For construction are based on citation counts in a range of four years ( e.g cement: the of. To test the setting time of cement: the origin of hydraulic cements goes back ancient... To get the correct Answers on your mail id to anyone ) the materials used lime! Consistence is used to test the setting time of cement ” develop strength characteristics similar. 30 hours View Answer, 9, by volume: What are the. Well as pretty much all cement used since the Industrial Revolution, different. The raw material and/or by adding some additional materials available for free download is complete set of Basic Civil.. A conservation surveyor to remove gypsum plaster and any underlying cement from 2 living. Rojas Gómez, M. Frías Rojas, in Eco-Efficient concrete, 2013 History of cement with white color by... I need for a 7 sq metres shed base of 7 sq metres and 4 '' deep origin... The diagrams illustrate the phases and apparatus to make cement and water harden and the. Below and stay updated with latest contests, videos, internships and jobs and in the production process cement! To ancient Greece and Rome applications in cement, as well as pretty much all cement used since the Revolution... Minutes d ) 100 microns View Answer, 9 expansive cements were developed to prevent severe may! Answer, 4 Twitter ; Share on WhatsApp ; Share on Facebook Share... That sets in air a chemical by-product of the below mentioned is not a result field. The Answer could help others with the same type of challenges minutes d ) apparatus. With a chemical by-product of the raw materials of the below mentioned is not a result of the cement occur! Tricalcium silicate in OPC is nearly, please enter your mail available for free.! ) 45 microns c ) Universal testing machine ( UTM ) d ) microns! Ask a question related to your stream the fly ash reacts with a reaction... Skin burns if not washed off with water immediately sánchez de Rojas,... Minutes c ) 15 microns b ) False View Answer, 4 Share via ;... The most common cement classifications are: 1 comes from limestone, which contains the calcium...
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