Topsoil is excavated from the site before construction work commences mainly because
A) It contains harmful bacteria
B) It has a high level of acidity
C) It has a high level of alkalinity
D) It supports plant growth
E) It has a strong odour
Correct Answer:
Verified
Q1: A profile board is used to determine
A)
Q2: The purpose of a waling in support
Q3: A tractor shovel would generally be used
Q5: Close boarded excavation support would generally be
Q6: The purpose of a poling board in
Q7: A bulldozer would generally be used to
Q8: A backhoe is a versatile machine because
A)
Q9: Quarter sheeting excavation support would generally be
Q10: The angle of repose of soil is
A)
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