Lec 3 mcqs hard

Which type of cement is characterized by high early strength according to the ASTM C 1157 performance specification?

In cement hydration, which compound is responsible for forming the binder (glue) that contributes to the strength of the cement?

What type of cement has moderate sulfate resistance as per the CSA A3000-08 Portland Limestone Cement specification?

Which compound in cement hydration does not have a significant contribution to the strength of the cement?

Which type of cement has a low heat of hydration based on the CSA A3000-08 Portland Limestone Cement specification?

Which historical civilization used mud mixed with straw as a cementing material, but it only worked effectively in very dry climates?

Which ancient civilization utilized gypsum as a non-hydraulic binder in construction, but the setting could not take place in water?

What type of limes were produced by Greeks and Romans through the calcination of limestone containing clayey impurities?

Which characteristic of cement paste is affected by the fineness and particle size distribution of the cement particles?

In terms of cement, what does the heat of hydration refer to?

What property of cement is affected by the fineness of the cement particles?

Which test method is used to determine the setting time of cement using a 300g needle?

What is the acceptable limit for expansion in soundness testing according to ASTM C 151-09?

In thermal analysis of cement, which method is used to measure changes in temperature during reactions?

What property of cement is influenced by the particle size distribution and composition of the cement?

What does ASTM C 204 measure in relation to cement?

What does a rapid False Set of cement involve?

Which property is affected by finer cement particles?

What does the Wagner method (ASTM C 115) involve in relation to cement analysis?

What is the significance of the Initial Set time of cement paste?

What is the main difference between Type I and Type II cement according to the text?

Which characteristic distinguishes Type III cement from Type IV cement based on the information provided?

What sets Type IV cement apart from Type V cement as per the text?

Which type of cement is likely to have the finest particle grinding based on the information provided?

In terms of heat of hydration, which type of cement is expected to have the lowest value among the options provided?

What is the primary purpose of adding gypsum to Portland cement?

Which compound is formed by the combination of C2S and free lime in the burning zone of the kiln?

What role do impurities play in the cement-making process?

At what temperature range does the formation of C2S (Belite) occur in the kiln?

Which raw material is responsible for providing Iron Oxide (Fe2O3) in the manufacture of Portland cement?

What is the primary purpose of controlling the fineness of cement particles?

Which of the following factors can influence the soundness of cement?

In terms of heat of hydration, which compound in cement contributes to early strength development?

How does increasing the fineness of cement particles affect the heat evolution during hydration?

Which factor primarily influences the time of setting of cement?

How does a decrease in the amount of gypsum added to cement impact its soundness?

Which compound in cement primarily influences the early strength gain in concrete structures?

What impact does an increase in tricalcium silicate (Alite) content have on the initial setting time of cement?

What is the effect of an increase in cement fineness on its early strength development?

How does a decrease in clinker cooling temperature impact the soundness of cement?