Top 50+ Solved Timber MCQ Questions Answer

From 31 to 45 of 50

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

Q. The minimum strength of brick required for building wall is

a. 7.5 N/mm2

b. 5.0 N/mm2

c. 3.5 N/mm2

d. 2.5 N/mm2

  • c. 3.5 N/mm2

Q. The bricks which may be used to build wall but to be provided with plaster are

a. Ist Class

b. IInd Class

c. IIIrd Class

d. IVth Class

  • b. IInd Class

Q. The compressive strength of high duty bricks should be more than

a. 40 N/mm2

b. 20 N/mm2

c. 5 N/mm2

d. 3.5 N/mm2

  • a. 40 N/mm2
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