Building Construction

41. Dutch bond is a modification of

1. English bond
2. Stretcher bond
3. Header bond
4. Single Flemish bond

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42. Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is,

1. Q = Wh/6 (S + 2.5)
2. Q = Wh/2.5 (S + 6)
3. Q = (W × 6)/h (S + 2.5)
4. Q = (W × 2.5)/6 (S + h)

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43. Expansion joints in masonry walls are provided if length exceeds

1. 10 m
2. 20 m
3. 30 m
4. 40 m

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44. Exposed portions of vertical surface at right angles to the door or window frame, are known as

1. Jambs
2. Lintels
3. Reveals
4. Soffits

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45. For a rectangular foundation of width b, eccentricity of load should not exceed

1. b/2
2. b/3
3. b/4
4. b/6

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46. For a wall carrying heavy load on low bearing capacity soil,

1. Lean concrete bed is provided
2. Thick concrete bed is provided
3. Reinforced concrete bed is provided
4. Both (a) and (c) of the above

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47. For brick construction, the lime-sand mortar, is

1. 1.1
2. 1.2
3. 1.3
4. 1.4

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48. For constructing a terrazzo floor, Pick up the incorrect statement from the following:

1. A base course is prepared as in cement concrete flooring
2. A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
3. Glass strips are driven into the layer according to the pattern required
4. After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

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49. For different layers of cement concrete floor. Pick up the incorrect statement from the following:

1. The lowest layer consists of consolidated ground
2. A 10 cm thick clean sand is laid on consolidated ground
3. A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
4. A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer

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50. For each storey of a building, the depth of exploration should be

1. 1 metre
2. 2 metres
3. 3 metres
4. 4 metres

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