Optimum air content in concrete is………..

Related MCQs

• 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?
• By adding air inside a concrete ……………
• It is found that a moisture content of about ______ is appropriate for the timber formwork.
• 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………
• Admixtures which reduce setting and hardening of concrete are called………
• How much calcium chloride is used in the concrete as admixture?