Excess of alkalies in the brick earth results into
A) Brittleness
B) white patches
C) yellowish colour
D) porous structure
Correct Answer:
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Q10: The standard size of bricks as per
Q11: Red colour of brick is due to
Q12: Excess of lime in the brick earth
Q13: Excess of iron oxide in brick earth
Q14: Alumina in brick earth gives the bricks
A)strength
B)colour
C)plasticity
D)resistance
Q16: Pug mill is used to
A)blend clay
B)tempering
C)weathering clay
D)burning
Q17: The size of mould used for making
Q18: Pallet board is used to
A)make frog in
Q19: In stiff mud process of machine moulding,
Q20: Gradual drying of moulded bricks is necessary
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