Estimating and Costing

21. Pick up the correct statement from the following:

1. The estimated value of the work excluding the amount for contingencies, work charged establishment, tool and plants, is called work value
2. The actual expenditure involved to complete a work including incidental, establishment and travelling charges, is called actual cost
3. The formal acceptance by the administrative department for incurring an expenditure on the work, is called administrative approval
4. All the above

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22. Pick up the correct statement in case of water supply.

1. Pipes laid in trenches and pipes fixed to walls are measured separately
2. Cutting through walls and floors are included with the item
3. Pipes are classified according to their sizes and quality
4. All the above

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23. Pick up the correct statement regarding the centre line method of estimating a building

1. Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item
2. The centre line is worked out separately for different sections of walls of a building
3. The centre line length is reduced by half the layer of main wall joining the partition wall
4. All the above

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24. Pick up the excavation where measurements are made in square metres for payment.

1. Ordinary cuttings up to 1 m
2. Surface dressing up to 15 cm depths
3. Surface excavation up to 30 cm depths
4. Both (b) and (c)

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25. Pick up the incorrect statement from the following:

1. Lead is the average horizontal straight distance between the borrow pit and the place of spreading soil
2. The lead is calculated for each block of the excavated area
3. The unit of lead is 50 m for a distance upto 500 m
4. The unit of lead is 1 km where the lead exceeds 2 km

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26. Pick up the incorrect statement regarding a master trap from the following:

1. It is provided in between the lower end of the house drain and the street sewer
2. It is provided a cleaning eye at the top of the trap
3. The mica flap valve which opens inwards only, is fitted at the top of the inlet pipe
4. The water seal is less than that of ordinary traps

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27. Pick up the item of work not included in the plinth area estimate

1. Wall thickness
2. Room area
3. W.C. area
4. Courtyard area

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28. Pick up the item whose weight is added to the weight of respective item, is

1. Cleats
2. Brackets
3. Bolts
4. All the above

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29. Size, capacity and materials need be specified for

1. Bib-cocks
2. Stop-cocks
3. Ball valves
4. All the above

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30. The area is measured correct to the nearest

1. 0.01 sqm
2. 0.02 sqm
3. 0.03 sqm
4. 0.04 sqm

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