By adding air inside a concrete ……………

Related MCQs

• The inside surface of formwork should be ________ so as to turn out a good concrete surface.
• Maximum pressure of air inside pneumatic caisson is _______ N/mm2
• The pre-stressed concrete piles as compared to pre-cast and reinforced concrete piles
• Which one of these is used as air entraining agent in concrete?
• Optimum air content in concrete is………..
• Why sand bags are stacked inside single walled cofferdam?
• Accelerators are used in concrete for_________
• “Plasticizers are used for increase the setting time of concrete.” Is it true or false?
• “Chutes are used for transferring the concrete from low level to high level.” Is it true or false ?
• Admixtures which cause early setting and hardening of concrete are called………