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
Correct Answer:
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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
Q15: Excess of alkalies in the brick earth
Q16: Pug mill is used to
A)blend clay
B)tempering
C)weathering clay
D)burning
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
Q21: The brick is considered dry when the
Q22: Hand moulded bricks take _ days for
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