5.4.10.2 - Calcium Carbide Method
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Practice Questions
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What gas is produced when calcium carbide reacts with moisture?
💡 Hint: Think of the flammable gas that you use in welding.
Why is moisture content important in concrete?
💡 Hint: Consider how too much or too little water could change the mix.
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Interactive Quizzes
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What is produced when calcium carbide reacts with water?
💡 Hint: Think of the use of acetylene in welding.
True or False: The Calcium Carbide Method is slower than the oven drying method.
💡 Hint: Consider which method uses more time.
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Challenge Problems
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You have a construction site using the Calcium Carbide Method. If the measured pressure indicates a moisture content of 5%, calculate the appropriate water needed for a 1m³ concrete mix with a water-cement ratio of 0.5.
💡 Hint: Calculate the total water needed and adjust for the moisture content.
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