Building Materials To retard the initial setting time of cement, the compound responsible, is Di-calcium silicate Tri-calcium aluminate Gypsum Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Gypsum Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen is generally obtained from Synthetic material Petroleum product Organic material Coal Synthetic material Petroleum product Organic material Coal ANSWER DOWNLOAD EXAMIANS APP
Building Materials For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is 60 : 35 : 5 70 : 20 : 10 None of these 80 : 13 : 7 60 : 35 : 5 70 : 20 : 10 None of these 80 : 13 : 7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slump recommended for mass concrete is about 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm 25 mm to 50 mm 50 mm to 100 mm 100 mm to 125 mm 125 mm to 150 mm 25 mm to 50 mm ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept A little small to specified size 10% larger than specified size A little large to specified size Equal to specified size A little small to specified size 10% larger than specified size A little large to specified size Equal to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following polymers is obtained from condensation polymerization? Phenol formaldehyde Melamine-formaldehyde Carbamide All of these Phenol formaldehyde Melamine-formaldehyde Carbamide All of these ANSWER DOWNLOAD EXAMIANS APP