This set of Construction and Building Materials Multiple Choice Questions & Answers (MCQs) focuses on “Types of Arches”.
1. Identify the type of Arch given below.
a) Semi circular arch
b) Inverted arch
c) Segmented arch
d) Flat arch
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Explanation: The apparent shape of this arch is Flat and the usually skewback forms an angle of 60 degrees with the horizontal as shown in the figure above. Thus an equilateral triangle is formed with one side as Intrados.
2. Identify the type of Arch given below.
a) Horse shoe arch
b) Pointed arch
c) Relieving arch
d) Stilted arch
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Explanation: Relieving arch is constructed over a wooden joist or a flat arch as shown in the given figure above. It relieves the joints or flat arch from carrying the load. The ends of the relieving arch should be kept sufficiently inside the solid wall.
3. Identify the type of Arch given below.
a) Florentine arch
b) Stilted arch
c) Pointed arch
d) Venetian arch
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Explanation: In Venetian arch, the depth at crown is more than that at the Springing line as shown in figure. The Venetian arch has four centres all located on the springing line.
4. Identify the type of Arch given below.
a) Florentine arch
b) Venetian arch
c) Horse shoe arch
d) Relieving arch
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Explanation: Florentine arch is similar to the Venetian arch accept that the Intrados has the shape of semi circular curve are shown. There are three centres for a Florentine arch, all located on the Springing line.
5. Identify the type of Arch given below.
a) Horse shoe arch
b) Stilted arch
c) Two centred arch
d) Pointed arch
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Explanation: Stilted arch has a semi circular shape attached at the tops of two vertical position as shown. The Springing line of arch passes through the tops of vertical position.
6. The flat, segmental, semicircular, horse-shoe and Stilted arches are __________
a) Two centred arch
b) Three centred arch
c) Five centred arch
d) One centred arch
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Explanation: This type of earth has one Centre only. Sometimes the circular windows are used to have an architectural effect. For this purpose a bulls eye arch is adopted.
7. The pointed Arch of the Tudor period is an example of __________ arch.
a) Three centred arch
b) Four centred arch
c) Two centred arch
d) Five centred arch
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Explanation: Tudor period arch has four centres. It consists of two different curves and has the appearance of an ellipse at the haunches. The Venetian arch provides another illustration of this type of Arch.
8. ___________ type of arch is constructed from ordinary un-cut bricks.
a) Rough arch
b) Axed arch
c) Rough cut arch
d) Gauged arch
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Explanation: A rough arch is used where appearance is of secondary importance or when it is intended to plaster the face of the arch. In order to prevent the thick end of mortar to become too large, such arches are constructed in rings of half bricks.
9. _________ types of arches are constructed from bricks which are cut to a wedge shaped by means of an axe.
a) Rough cut arch
b) Rough arch
c) Gauged arch
d) Cut arch
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Explanation: According to class of the work, the bricks are rough axed or fine-axed. The thickness of mortar joints varies from 3 mm to 6 mm.
10. ____________ type of arch is constructed from bricks which are finely cut by means of wire saw.
a) Wire cut arch
b) Gauged arch
c) Rough arch
d) Saw cut arch
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Explanation: The Gauged arch is used where are fine finish of the surface is required. The surfaces of bricks are finished with file. The mortar joints are as thin as 1.50 mm to 0.75 mm.
11. __________ arches can be constructed in rubble masonry or ashlar masonry.
a) Stone arches
b) Wooden arches
c) Brick arches
d) Concrete arches
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Explanation: The rubble masonry arch is comparatively weak and hence it is used for inferior type of work. The span of rubble masonry stone arches is limited to about 1 m or so.
12. ____________ arches can be constructed from ordinary bricks or purpose made bricks or soft bricks.
a) Crushes arches
b) Stone arches
c) Brick arches
d) Concrete arches
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Explanation: The ordinary bricks are not cut to shape of Voussoirs and hence the rough bricks arches are formed. For getting the arch curve, the joints are made wedge shaped with greater thickness at the extrados and smaller thickness at the intrados.
13. _____________ arches can be constructed of the precast cement concrete blocks or Monolithic concrete.
a) Cement concrete arches
b) Cement arches
c) Concrete arches
d) Rubble arches
View Answer
Explanation: In Concrete arches, the blocks are similar to stone and are prepared by Casting cement concrete in specially prepared mould. The Monolithic concrete at these are constructed from cast in situ concrete and are suitable for big spans.
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