Estimating and Costing - Engineering

Q1:

Pick up the incorrect statement from the following:

A No deduction is made for the volume occupied by reinforement

B No deduction is made for the openings upto 0.1 sq.m

C No deduction is made for volumes occupied by pipes, not exceeding 100 sq.cm in cross-section

D No deductions are made for the ends of dissimilar structures up to 500 sq.cm cross-sectional area

E None of these.

ANS:E - None of these.

What is dissimilar structure?