For the construction of cement con-certe dams, the maximum permissible size of the aggregates, is

For the construction of cement con-certe dams, the maximum permissible

1.	For the construction of cement con-certe dams, the maximum permissible size of the aggregates, is
A.	40 mm
B.	50 mm
C.	60 mm
D.	70 mm
E.	80 mm
Answer» B. 50 mm