Building Materials

When water is added to fat lime (a) Volume of lime increases (b) Hissing sound is created (c) Lime turns into powder (d) Lime become hydraulic Answer: (d)

(a) Lime becomes suitable for white washing (b) Lime becomes in soluble in water (c) Purity of lime increases (d) Lime cannot set under water Answer: (b)

(a) Improves workability and reduces permeability (b) Reduces both workability and permeability (c) Improves both workability and permeability (d) Reduces workability and improves permeability Answer: (a)

(a) Natural pozzolana. (b) Articifial pozzolana. Answer: (b)

(a) Natural pozzolana. (b) Articifial pozzolana. Answer: (a)

(a) Hydraulic lime (b) Fat lime (c) Quick lime (d) All the above Answer: (a)

(a) Air slaking (b) Platform slaking (c) Basket slaking (d) Slaking with pressure or slaking with hydrator Answer: (d)

(a) Basket slaking (b) Platform slaking (c) Air slaking (d) None of the above Answer: (d)

(a) 50 mm (b) 240 micron (c) 4.76 mm (d) 150 micron Answer: (b)

(a) Tank slaking (b) Basket slaking (c) Platform slaking (d) Air slaking Answer: (a)