Concrete Technology and Design of Concrete Structures
The average permissible stress in bond for plain bars in tension is

increased by 25% for bars in compression
decreased by 10% for bars in compression
increased by 10% for bars in compression
decreased by 25% for bars in compression

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Concrete Technology and Design of Concrete Structures
The critical section for finding maximum bending moment for footing under masonry wall is located

at the middle of the wall
at a distance equal to effective depth of footing from the edge of the wall
at the edge of the wall
halfway between the middle and edge of the wall

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Concrete Technology and Design of Concrete Structures
If the foundations of all the columns of a structure are designed on the total live and dead load basis, then

there will be no settlement of columns
the settlement of exterior columns will be more than interior columns
there will be no differential settlement
the settlement of interior columns will be more than exterior columns

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Concrete Technology and Design of Concrete Structures
High carbon content in the steel causes

decrease in both tensile strength and ductility
increase in tensile strength but decrease in ductility
decrease in tensile strength but increase in ductility
increase in both tensile strength and ductility

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