The assumption on which the trapezoidal formula for volumes is based, is
A. The end sections are parallel planes
B. The mid-area of a pyramid is half the average area of the ends
C. The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied
D. All the above
Answer: Option D
Related Questions on Estimating and Costing
A. Mid-section formula
B. Trapezoidal formula
C. Prismoidal formula
D. All the above
Size, capacity and materials need be specified for
A. Bib-cocks
B. Stop-cocks
C. Ball valves
D. All the above
The expected out turn of 12 mm plastering with cement mortar is
A. 2.5 sq m
B. 4.0 sq m
C. 6.0 sq m
D. 8.0 sq m
A. Excavation
B. Surface dressing
C. Cutting
D. Surface excavation
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