An _______ is a structure which is constructed to span across an opening.

Identify the type of Arch given below.

__________ arches can be constructed in rubble masonry or ashlar masonry.

The temporary casing is known as the ______

The usual concrete mix for RCC lintel is _______ (cement:sand:aggregate).

The projecting course at the upper part of a Pier or an abutment to stress the springing line is called as the _______

____________ is the clear vertical distance between the highest point on the intrados and springing line.

___________ arrangement helps in improving the appearance of the face and also reduces the quality of concrete.