Building Construction
Assertion A : Shishum is used for decorative woodwork.Reason R : Shishum can be polished to an excellent finish.Select your answer according to the coding system given below:

Both A and R is true and R is the correct explanation of A
A is true but R is false
A is false but R is true
Both A and R is true but R is not the correct explanation of A

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Building Construction
Depth or height of the arch is the

Perpendicular distance between intrados and extrados
None of these
Vertical distance between springing line and intrados
Perpendicular distance between springing line and extrados

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