Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (iii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Expansion Joints in masonry walls are provided in wall lengths usater than 10 m 30 m 40 m 20 m 10 m 30 m 40 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is Bessemer pig Mottled pig White forge pig Grey pig Bessemer pig Mottled pig White forge pig Grey pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials For preparing porcelains, the clay should be All listed here Sufficiently pure Of good plasticity Of high degree of tenacity All listed here Sufficiently pure Of good plasticity Of high degree of tenacity ANSWER DOWNLOAD EXAMIANS APP
Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and lime stone Iron ore, coal and sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials Cast iron May contain 2 to 5 per cent of carbon with other impurities Is manufactured in required shapes Is obtained by purifying pig iron All listed here May contain 2 to 5 per cent of carbon with other impurities Is manufactured in required shapes Is obtained by purifying pig iron All listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS