Recommended minimum and maximum slump value for beams and reinforced walls are respectively:\ A)

25mm

and

100mm

\ B)

25mm

and

75mm

\ C)

25mm

and

50mm

\ D)

100mm

and

25mm

\ 2 points\ Approximate target percent air content for

25mm

nominal maximum size of aggregate for air-entrained concrete of moderate exposure condition is:\ A)

3.0%

\ B)

4.5%

\ C)

1.5%

\ D)

5.0%

Recommended minimum and maximum slump value for beams and reinforced walls are respectively: A) 25mm and 100mm B) 25mm and 75mm C) 25mm and 50mm D) 100mm and 25mm 2 points Approximate target percent air content for 25mm nominal maximum size of aggregate for air-entrained concrete of moderate exposure condition is: A) 3.0% B) 4.5% C) 1.5% D) 5.0%