In hollow concrete block the area of the void is ______ of gross area.

Related MCQs

• Thickness of the concrete bed in reinforced concrete footing is ________
• “Form vibrators are used for the construction of the pre-cast concrete.” Is it true or false?
• Ideal water-cement ration in concrete is__________
• Dumpers are used for transporting the concrete up to _______.
• Which method is used for the finding the workability of the concrete?
• Which one is used for the transporting the concrete?
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