Top 150+ Solved Basics of Civil Engineering MCQ Questions Answer

From 61 to 75 of 101

Q. Red colour of brick is due to the pre ence of

a. lime

b. silica

c. manganese

d. iron oxide

  • d. iron oxide

Q. Excess of lime in the brick earth makes the bricks

a. brittle and weak

b. crack and warp

c. melt and lose shape

d. improve durability

  • c. melt and lose shape

Q. Excess of iron oxide in brick earth makes the bricks

a. stronger

b. darker

c. brittle

d. crack

  • b. darker

Q. Alumina in brick earth gives the bricks

a. strength

b. colour

c. plasticity

d. resistance to shrinkage

  • c. plasticity

Q. Excess of alkalies in the brick earth results into

a. Brittleness

b. white patches

c. yellowish colour

d. porous structure

  • b. white patches

Q. Pug mill is used to

a. blend clay

b. tempering

c. weathering clay

d. burning bricks

  • b. tempering

Q. The size of mould used for making bricks compared to size of brick is

a. 10% more

b. 5% more

c. exactly equal

d. 5% less

  • a. 10% more

Q. Pallet board is used to

a. make frog in the brick

b. to mount the mould

c. for table moulding of bricks

d. none of the above

  • b. to mount the mould

Q. In stiff mud process of machine moulding, water used for mixing is

a. 8–12%

b. 12–18%

c. 20–24%

d. 30%

  • b. 12–18%

Q. Gradual drying of moulded bricks is necessary to

a. prevent shrinkage

b. permit shrinkage without cracking

c. permit blending of alumina and silica

d. none of the above

  • b. permit shrinkage without cracking

Q. The indentation mark left on bricks during the process of moulding are

a. pallets

b. fillets

c. marks

d. frog

  • d. frog

Q. Which one of the following statements is wrong about clamp burning

a. it is cheap

b. does not need skilled labour

c. control on burning process is good

d. burning process is slow

  • c. control on burning process is good

Q. Continuous kiln is

a. bull’s trench kiln

b. Hoffman’s kiln

c. tunnel kiln

d. all of the above

  • d. all of the above
Subscribe Now

Get All Updates & News