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4 answers. Jul 28. A lowcalcium cement, which comprises, with the total mass of the oxides as 1, 5060% of calcium oxide, 3045% of silicon dioxide, 27% of aluminium oxide and 14% of iron
Concrete Technology Objective Questions with Answers pdf Cement MCQ [Free PDF] Objective Question Answer for CQuiz on Cement and Manufacture of Cement CivilDigitalBasic Civil Engineering Questions and Answers SanfoundryMultiple Choice Questions on Concrete Technology Examti
Source: Cambridge English IELTS Past Papers. Question– The diagrams below show the stages and equipment used in the cement
The diagrams below show the stages and equipment used in the cementmaking process, and how cement is used to produce
Cement Question 1: Generally, the product of hydration of cement compounds with water, which is a quasiamorphous material and also the principal
View Answer. 3. In the same figure in question 2, what is ‘b’ and its function? a) Waterplasticity. b) Limestrength. c) Sulphursoundness. d) Gypsumcontrol
This cement contains about 40% alumina and is highly reactive and about 80% of strength of concrete is developed within 24 hours. This cement is highly resistant
Basic Manufacturing Processes Questions and Answers
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Answer: The five steps of process costing are as follows: Summarize the physical unit’s flow. Calculate output in terms of equivalent units. Summarize the overall expenses to account
Answer Question. Be the first to find this interview helpful. Helpful. Share. Report. 27 Dec . Management Trainee Interview. Anonymous Interview Candidate
After the limestone is ground together with other minor constituents, the raw material is calcined at 900°C through a series of cyclones. The majority of the energy needed and the CO 2 emissions are products of the calcination process; the precalciner uses around 60% of the total energy and produces unavoidable “process” emissions,
11.6 Portland Cement Manufacturing 11.6.1 Process Description17 Portland cement is a fine powder, gray or white in color, that consists of a mixture of hydraulic cement materials comprising primarily calcium silicates, aluminates and aluminoferrites. More than 30 raw materials are known to be used in the manufacture of
Sprinkle dishwasher detergent on wet concrete. Let it stand a few minutes, then pour boiling water on the area. Scrub and rinse. Dissolve a cup trisodium phosphate in 1 gallon of hot water. Pour over stained concrete surface and allow soaking for 25 minutes. Scrub with stiff brush or broom.
View Answer. 3. In the same figure in question 2, what is ‘b’ and its function? a) Waterplasticity. b) Limestrength. c) Sulphursoundness. d) Gypsumcontrol setting. View Answer. Sanfoundry Certification Contest of the Month is Live. 100+ Subjects.
Expert Answer. Transcribed image text: Q3. (a) What is meant by the hydration process of cement? FIGURE Q3 (a) shows the relationship between the amount of hydration product and porosity versus time. Explain with reasoning the development of strength and porosity based on the time frame for dormant period, setting and hardening.
HAC also known as calcium aluminate cement (CAC) or aluminous cement, is composed of calcium aluminates unlike Portland cement which is composed of calcium silicates. This cement contains about 40% alumina and is highly reactive and about 80% of strength of concrete is developed within 24 hours.
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Answer: The five steps of process costing are as follows: Summarize the physical unit’s flow. Calculate output in terms of equivalent units. Summarize the overall expenses to account for. Cost calculations per equivalent unit. Assign cumulative costs to units completed and to units in ending work in process.
Interview. It was a 2 step process..First was a blend of technical and hr questions..The first round is an elimination round.Second was more of a Cultural fit interview.They asked questions on relocation.The interview was moderate difficulty..Be natural and confident while smiling. Interview Questions.
Read more: 7 Amazing construction facts Burj khalifa Q.3 ) What are the steps involved in the concreting process, explain? steps involved in the concreting process are : 1. Batching 2. Mixing 3. Transporting and placing of concrete 4. Compacting. Q.4) What are the Nominal Concrete Mix proportions for different grades? Nominal mix concrete
In order to form concrete, cement is next combined with water, sand, and gravel in a concrete mixer. 2. The proportions for each ingredient are 15% cement, 10% water, 25% sand and finally 50% gravel (which is small stones). Write about the rest of the process include everything! Try to paraphrase some of the words from process as well.
The diagrams below show the stages and equipment used in the cementmaking process, and how cement is used to produce concrete for building purposes. (157 Words, 10 Sentences, 4 Paragraphs, Band 9)
Cement Manufacturing Process Phase 1: Raw Material Extraction. Cement uses raw materials that cover calcium, silicon, iron and aluminum. Such raw materials are limestone, clay and sand. Limestone
The production process for portland cement first involves grinding limestone or chalk and alumina and silica from shale or clay. The raw materials are proportioned, mixed, and then burned in large rotary kilns at approximately 2500°F until partially fused into marblesized masses known as clinker. After the clinker cools,
HOLTEC has undertaken Performance Optimisation of the cement grinding circuits by doing process diagnostic studies in many cement plants. The paper describes the approach for the process diagnostic study for the optimisation of a ball mill circuit and is supported with typical case study done by HOLTEC in a 1.5 mio t/a cement plant.
The following are examples of a couple of the more common causes. Crazing Cracks Crazing in concrete is the development of a network of fine random cracks or fissures on the surface of concrete caused by shrinkage of the surface layer. These cracks are rarely more than 3mm deep, and are more noticeable on over floated or steeltroweled
Basic Manufacturing Processes Questions and Answers
Answer : Lime stone and clay are ground to pleasant powder one after the other and are blended together. Water is delivered to make a thick paste which contains 14% of moisture. The paste format are dried and off charged right into a rotary kiln. The product received often calcination in rotary kiln. Process.
Answer: The five steps of process costing are as follows: Summarize the physical unit’s flow. Calculate output in terms of equivalent units. Summarize the overall expenses to account for. Cost calculations per equivalent unit. Assign cumulative costs to units completed and to units in ending work in process.
This helps me avoid any delays or accidents on the road. In addition, I perform a thorough inspection of the entire cement truck after every trip.” 25. How would you handle a situation where you were unable to deliver a load of concrete on time? Employers ask this question to make sure you have the ability to problemsolve and think on your feet.
