Civil Engineering MCQs

2965 MCQs  (Page 6 of 297)

The age of a tree can be known by examining_________________?
A. Cambium layer
B. Annular rings
C. Medullary rays
D. Heart wood
Excess of alumina in brick earth makes the brick______________?
A. Impermeable
B. Brittle and weak
C. To lose cohesion
D. To crack and warp on drying
The nominal size of the modular brick is_______________?
A. 190 mm x 90mmx 80 mm
B. 190 mm x 190 mm x 90 mm
C. 200 mm x 100 mm x 100 mm
D. 200 mm x 200 mm x 100 mm
Excess of silica in brick earth results in______________?
A. Cracking and warping of bricks
B. Loss of cohesion
C. Enhancing the impermeability of bricks
D. None of the above
The internal size of mould used in brick preparation is__________________?
A. Equal to the size of a fully burnt brick
B. Smaller than the size of a fully burnt brick
C. Greater than the size of a fully burnt brick
D. None of the above
Which of the following bricks are used for lining of furnaces ?
A. Overburnt bricks
B. Underburnt bricks
C. Refractory bricks
D. First class bricks