engineering recuitment Punjab SSSB Jr Draftsman Civil Mock Test 2021 Construction Materials and Management Building Component
Which arches are used in low cost buildings instead of lintels and at which the skew-backs are set at 60º with horizontal, thus forming an equilateral triangle with the intrados forming the base ?
1
Relieving arches
2
Pointed arch
3
Flat arch
4
Semicircular arch