This set of Construction & Building Materials Questions and Answers for Campus interviews focuses on “Terms Used in Brick Masonry”.
Explanation: Queen closer is obtained by cutting the brick longitudinally into equal parts. It can also be made from two quarter bricks, known as the quarter closer, to minimise the wastage of bricks. A queen closer is generally place near the Quion.
Explanation: King closer is obtained by cutting a triangular portion of the bricks such that half a header and half a stretcher are obtained on the adjoining cut faces. A king closer is used near door and window opening to get satisfactory arrangement of the mortar joints.
Explanation: Header is a brick laid with its breadth or with parallel to the phrase or front or direction of a Wall. The Course containing header is called a header course. Whereas, the lower surface of the brick when laid flat is known as the bed.
Explanation: The Bevelled closer is obtained by cutting a triangular portion of half the widthl but of full length. A bevelled closer appears as a closer on one face and as a header on the other face. It is used for the splayed brickwork.
Explanation: Mitred closer is obtained by cutting a triangular portion of the breeze through its width and making an angle of 45° to 60° with the length of the break. It is used at corners, junctions, etc.
Explanation: Bat is a piece of brick, usually considered in relation to the length of a brick and accordingly known as half bat or three quarter bat. The Half bat may be formed as shown in figure.
Explanation: A brick moulded with rounded angle is termed as a Bullnose and it is used for rounded Quoin. A connection which is formed when a wall takes a turn is known as a Quion. The centre of the curved portion is situated on the long centre line of the brick.
8. A _________ is a mark of depth about 10 mm to 20 mm which is placed on the face of a brick to form a key for holding the mortar.
Explanation: The wire cut bricks are not provided with Frogs. A pressed brick as a rule as frogs on the both the faces. A handmade brick has only one frog. Whereas, a brick moulded with a double Bull nose on ends is termed as a cownose.
9. The termination of a wall in such a fashion that each alternate course at the end projects is known as the _________
a) Racking back
Explanation: Tooting is adopted to provide adequate Bond, when the walls is continued horizontally at a later stage. Whereas, termination of a wall in a stepped fashion is known as a Racking back.
10. The vertical joints separating the bricks in either length or cross direction is known as the _________
Explanation: Perpend is for a good Bond, and Perpends in alternate courses should be vertically one above the other. Whereas, the ages formed by the intersection of plane surfaces of bricks are called as the Arrises.
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