1:02

1:03

1:04

1:06

25 mm to 50 mm

50 mm to 100 mm

100 mm to 125 mm

125 mm to 150 mm

increases

decreases

first increases to a certain maximum value and then decreases

first decreases to a certain minimum value and then increases

ordinary Portland cement

low heat cement

rapid hardening cement

sulphate resisting cement

(i) and (ii)

(i)and(iv)

(ii) and (iii)

(iii) and (iv)