Building Construction

271. Which one of the following piles has a cast iron shoe even after removal of the hollow cylindrical steel casing?

1. Simplex pile
2. Pedestal pile
3. Vibro pile
4. Both (a) and (c) of the above

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272. Which one of the following rocks is used for monumental buildings?

1. Granite
2. Marble
3. Sand stone
4. Slate

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273. While designing a stair, the product of rise and going is approximately kept equal to

1. 350
2. 420
3. 450
4. 500

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274. While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful:

1. Pile formation
2. Raft foundation
3. Grillage foundation
4. None of these

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275. You are asked to design and supervise a truss for a factory to have spans 6 m to 9 m. The type of the truss you will use, is

1. Mansard truss
2. Queen post truss
3. King post truss
4. Collar truss

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