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Masonry Construction Questions and Answers

1.

Identify the type of arch shown in the figure below.

A pointed arch built of wedge-shaped voussoirs, with two curved sides meeting at a pointed top; dashed lines show the springing line and the centres of the two arcs.

Exam Year(s)

DSSSB JE - 2023,

Answer: C

The figure shows a Gothic arch, a pointed arch whose two curves meet at an apex. The dashed lines show the two centres at the springing level and the curves drawn from them, which give the pointed shape. A flat arch has a horizontal soffit, a relieving arch is built over a lintel to relieve it of the load above, and a corbel arch is formed by projecting courses of masonry stepped inward, so none of these has the pointed curved form shown here.

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2.

Select the INCORRECT statement related to terminologies with its definition used in Arch construction.

Exam Year(s)

DSSSB JE - 2023,

Answer: C

The incorrect statement is the one about the soffit. The soffit of an arch is the inner (under) surface of the arch, the curved surface seen from below, and it is not the lower half of the arch between the crown and skewback. The other statements are right: voussoirs are the wedge-shaped units that make up the courses of an arch, an arcade is a row of arches on piers carrying a wall, and the spandril is the roughly triangular space between the extrados and the horizontal line drawn through the crown.

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3.

Why are bricks soaked in water before using in brick masonary?

Exam Year(s)

RSMSSB JE - 2025, RSMSSB JE Agriculture - 2025, RSMSSB - 2025,

Answer: B

Bricks are soaked for preventing depletion of moisture from cement mortar.

Dry bricks are porous and would suck water out of fresh mortar, leaving too little for the cement to hydrate. The mortar would then be weak and bond poorly to the bricks. Soaking satisfies the bricks' absorption first.

Soaking may wash off dust, but that is not its purpose. It does not reduce air voids, and wetting bricks can bring soluble salts to the surface, so it does not reduce efflorescence.

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4.

The type of bond in which every other course contains both headers and shoulders/stretchers is called-

Exam Year(s)

RSMSSB JE - 2025, RSMSSB JE Agriculture - 2025, RSMSSB - 2025,

Answer: D

The key gives Flemish Bond.

In Flemish bond each course contains both headers and stretchers laid alternately, every header centred over the stretcher below. That is the bond in which the courses themselves contain both kinds of brick, which is the reading the key takes of the stem's 'every other course'.

English bond is the contrast: it uses alternate courses of headers only and stretchers only, so no single course contains both. 'Russian bond' and 'mixed bond' are not the standard name for this pattern.

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