A. H2S and C02
B. CaS04 and H20
C. Lime and H20
D. C02 and calcium
Related Mcqs:
- Sapwood consists of______________?
A. innermost annular rings around the pith
B. portion of timber between heartwood and cambium layer
C. thin layers below the bark
D. thin fibre which extends from the pith outwards and holds the annular rings together - Gypsum is a_________________?
A. mechanically formed sedimentary rock
B. igneous rock
C. chemically precipitated sedimentary rock
D. metamorphic rock - Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica______________?
A. basalt and marble are the only metamorphic rocks
B. there is no sedimentary rock
C. granite is the only igneous rock
D. quartz and mica are minerals - Couple close roof is suitable for maximum span of______________?
A. 2.5 m
B. 3.5 m
C. 4.5 m
D. 5.5 m - Single flemish bond consists of___________________?
A. double flemish bond facing and Eng-lish bond backing in each course
B. English bond facing and double flemish bond backing in each course
C. stretcher bond facing and double flemish bond backing in each course
D. double flemish bond facing and header bond backing in each course - The disease of dry rot in timber is caused by_____________?
A. lack of ventilation
B. alternate wet and dry conditions
C. complete submergence in water
D. none of the above - Which of the following ingredients of the brick earth enables the brick to retain its shape ?
A. alumina
B. silica
C. iron
D. magnesia - The normal consistency of ordinary Portland cement is about________________?
A. 10%
B. 20%
C. 30%
D. 40% - The bearing capacity of a water logged soil can be improved by_____________?
A. compacting the soil
B. draining the soil
C. increasing the depth of foundation
D. grouting - Compared to mild steel, cast iron has (1) high compressive strength (2) high tensile strength (3) low compressive strength (4) low tensile strength The correct answer is_________________?
A. (1) and (2)
B. (2) and (3)
C. (3) and (4)
D. (1)and(4)