A. burning of lime stone
B. burning of kankar
C. adding water to quick lime
D. calcination of pure clay
Hydraulic lime is obtained by_______________? Read More »
Building Materials and Construction A. hard
B. soft
C. porous
D. impervious
Glazing is used to make earthenware______________? Read More »
Building Materials and Construction A. only (1)
B. only (2)
C. both (1) and (2)
D. both (2) and (3)
A. calcium carbonate
B. calcium oxide
C. calcium hydroxide
D. none of the above
Quick lime is_______________? Read More »
Building Materials and Construction A. 400
B. 450
C. 500
D. 550
Number of bricks required for one cubic metre of brick masonry is____________? Read More »
Building Materials and Construction A. it takes less time for burning
B. it gives more output of first class bricks
C. it has less initial cost
D. it is suitable when bricks are required in large numbers
Advantage of a clamp compared to a kiln for burning bricks is that_______________? Read More »
Building Materials and Construction A. bottom face
B. top face
C. shorter side
D. longer side
The frog of the brick in a brick masonry is generally kept on______________? Read More »
Building Materials and Construction A. lime stone and alumina
B. silica and alkalies
C. alumina and iron
D. alkalies and magnesium
A. preparation of clay
B. moulding of clay
C. drying of bricks
D. burning of bricks
Pug mill is used for_______________? Read More »
Building Materials and Construction A. overburnt bricks
B. underburnt bricks
C. refractory bricks
D. first class bricks
Which of the following bricks are used for lining of furnaces ? Read More »
Building Materials and Construction