Concrete and Reinforcement Please enter your mail id before submitting to get the correct answers on your mail. 1. Strength of concrete increases with increase in water-cement ratio decreases with increase in water-cement ratio does not depend on water-cement ratio 2. Tensile capacity of plain concrete can be increased by using steel reinforcements adding fiber reinforcement prestressing All of the above 3. Which of the following processes can cause durability issues in concrete Leaching Efflorescence Sulfate Attack All of the above 4. Which of the following is not an objective of using fly ash in concrete Improving workability Obtain reduced heat of hydration Improve durability none of above 5. Reaction between the CO2 of the atmosphere and the hydration products of the hardened cement paste is called Carbonation Alkali–Silica Reactions Sulfate Attack Chloride attack 6. Which of the following is a Mineral admixture Fly Ash Blast-Furnace Slag Silica Fume All of the above 7. Retarding admixtures are used to slow down the initial set of the concrete retard heat of hydration increase workability All of the above 8. Water-reducing agents, or plasticizers, are added to provide workability Reduce the water/cement ratio improve durability improve flow All of the above 9. Which of the following factors affects workability of concrete? Water content aggregate/cement ratio, Size of Aggregate Shape of Aggregates All of the above 10. Workability of Fibre Reinforced Concrete is higher than normal concrete True False Be sure to click Submit Quiz to see your results!Please enter your mail id to get the correct answers on your mail. (We don't misuse or display your mail id to anyone) Name Email Time's up
