Building Construction

161. The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called

1. Ridge board
2. Hip rafter
3. Eaves board
4. Valley rafter

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162. The important test to be conducted on a stone used in docks and harbours is

1. Hardness test
2. Workability test
3. Weight test
4. Toughness test

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163. The inclined support at the ends of treads and rises of a stair, is known as

1. Baluster
2. Header
3. String
4. Beam

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164. The inclined surface of an abutment to receive the arch, is known as

1. Skew back
2. Soffit
3. Spandril
4. Haunch

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165. The inner section of a cavity wall, is generally known as

1. Buttress
2. Leaf wall
3. Pilaster
4. Pillar

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166. The least bearing capacity of soil is that of

1. Hard rock
2. Moist clay
3. Soft rock
4. Coarse sandy soil

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167. The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is

1. Ridge
2. Hip
3. Valley
4. None of these

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168. The line of intersection of two surfaces of a sloping roof forming an internal angle less than 180°, is known as

1. Ridge
2. Hip
3. Valley
4. None of these

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169. The lintels are preferred to arches because

1. Arches require more headroom to span the openings like doors, windows etc.
2. Arches require strong abutments to withstand arch thrust
3. Arches are difficult in construction
4. All of the above

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170. The local swelling of a finished plaster, is termed

1. Cracking
2. Dubbing
3. Blistering
4. Hacking

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