The use of air-entraining agents in concrete

Related MCQs

• Separating out of the ingredients of concrete mix from concrete is known as……… .
• Water from concrete comes out to the surface of the concrete is known as……….
• Workability of concrete is …….to the strength of concrete.
• If the various concrete ingredients i.e. cement, sand and aggregates are in the ratio of 1:3:6, the grade of concrete, is
• Which of the following types of concrete mixture is most commonly used in precast concrete factories?
• Durability of concrete can be improved by impregnation of …………… in the voids of concrete.
• For compacting plain concrete or one-way reinforced concrete floors, the vibrator used is
• The placing of concrete should start width-wide in reinforced cement concrete slabs from one end.
• Segregation of concrete increases the strength of concrete.
• The compaction factor is the ratio of weight of partially compacted concrete to the weight of fully compacted concrete.