Estimating and Costing

51. The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is

1. 3250 m³
2. 3225 m³
3. 3275 m³
4. 3300 m³

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52. The height of the sink of wash basin above floor level is kept

1. 60 cm
2. 70 cm
3. 75 cm to 80 cm
4. 80 cm

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53. The inspection pit or chamber is a manhole provided in a base drainage system

1. At every change of direction
2. At every change of gradient
3. At every 30 m intervals
4. All the above

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54. The item of steel work which is measured in sq.m, is

1. Collapsible gates
2. Rolling shutters
3. Ventilators and glazing
4. All the above

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55. The item of the brick structure measured in sq.m, is

1. Reinforced brick work
2. Broken glass coping
3. Brick edging
4. Brick work in arches

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56. The main factor to be considered while preparing a detailed estimate, is

1. Quantity of the materials
2. Availability of materials
3. Transportation of materials
4. All the above

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57. The measurement is made for stone work in square metre in case of

1. Wall facing
2. Columns, lintels, copings
3. Building work
4. (a) and (d) of the above

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58. The measurement is made in square metre in case of

1. Cement concrete in foundation
2. R.C.C. structure
3. Hollow concrete block wall
4. None of these

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59. The measurement is not made in square metres in case of

1. D.P.C. (Damp proof course)
2. Form works
3. Concrete Jeffries
4. R.C. Chhajja

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60. The minimum width of a septic tank is taken

1. 70 cm
2. 75 cm
3. 80 cm
4. 90 cm

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