To prevent segregation, the concrete should not be thrown from a height of more than

Related MCQs

• In order to avoid segregation, the concrete should not be thrown from a height.
• Segregation of concrete increases the strength of concrete.
• If the slump of the concrete mix is less than 50 mm, then while compacting it with vibratiors, the segregation will not take place.
• Segregation in concrete results in
• The process of mixing, transporting, placing and compacting concrete should not take more than ……. min any case.
• The process of mixing, transporting, placing and compacting the cement concrete should not take more than
• The placing of concrete should start width-wide in reinforced cement concrete slabs from one end.
• More water should not be added in the concrete mix, as to increase
• For concrete exposed to a very aggressive environment the w/c should be lower than __________
• Separating out of the ingredients of concrete mix from concrete is known as……… .