WorksheetsCement 2
Total questions: 10
Worksheet time: 5mins
Setting time of cement is determined by ______
Le Chatelier mold
Vicat apparatus
Blaine apparatus
flow table
Calcium aluminates are mainly constituents responsible of ________development
strength
heat of hydration
setting
all
The______cement type is preferably used in precast concrete element production
low heat
high early strength
moderate sulfate resistant
high sulfate resistant
The increase in cement fineness is due to______
grinding for a longer time
an increase in C3S content
heating at higher temperature
an increase in C2S
One of the following is not part of the raw materials sources used for cement manufacturing
iron
gypsum
slag
lime
Incorporation of ____ materials in cement may improve concrete properties
slag
fly ash
pouzzolan
all
Quality Control means ____
testing of materials
control of workmanship
implementing standards
all
One of the chemical compound does not belong to the chemical composition of the cement
C2S
C4AF
C3A
CSH
Strength of cement is determined by compression test made on ______
Mortar cubes
concrete cubes
mortar cylinders
concrete cylinders
The increase in C3A content mainly leads to __
a decrease in setting time
a decrease in heat of hydration
a decrease in sulfate resistance
an increase in strength
