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
Gypsum consists of______________? Read More »
Building Materials and Construction A. 10%
B. 20%
C. 30%
D. 40%
The normal consistency of ordinary Portland cement is about________________? Read More »
Building Materials and Construction A. decreases
B. increases
C. remains same
D. may increase or decrease
After storage, the strength of cement________________? Read More »
Building Materials and Construction A. 25 mm to 50 mm
B. 50 mm to 100 mm
C. 100 mm to 125 mm
D. 125 mm to 150 mm
The slump recommended for mass concrete is about_______________? Read More »
Building Materials and Construction A. bleeding
B. shrinkage
C. permeability
D. heat of hydration
Addition of pozzolana to ordinary Portland cement increases__________________? Read More »
Building Materials and Construction 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
With increase in moisture content, the bulking of sand_______________? Read More »
Building Materials and Construction A. 7 MPa
B. 11.5 MPa
C. 16 MPa
D. 21 MPa
A. gypsum
B. finer grinding
C. tricalcium silicate
D. tricalcium aluminate
Early attainment of strength in rapid hardening cement is mainly due to_______________? Read More »
Building Materials and Construction