Building Materials and Construction

A. ordinary Portland cement
B. low heat cement
C. rapid hardening cement
D. sulphate resisting cement

A. 1:2
B. 1:3
C. 1:4
D. 1:6

A. H2S and C02
B. CaS04 and H20
C. Lime and H20
D. C02 and calcium

A. 10%
B. 20%
C. 30%
D. 40%

A. decreases
B. increases
C. remains same
D. may increase or decrease

A. 25 mm to 50 mm
B. 50 mm to 100 mm
C. 100 mm to 125 mm
D. 125 mm to 150 mm

A. bleeding
B. shrinkage
C. permeability
D. heat of hydration

A. increases
B. decreases
C. first increases to a certain maximum value and then decreases
D. first decreases to a certain minimum value and then increases

A. 7 MPa
B. 11.5 MPa
C. 16 MPa
D. 21 MPa

A. gypsum
B. finer grinding
C. tricalcium silicate
D. tricalcium aluminate