# Civil Engineering - Estimating and Costing

### Exercise :: Estimating and Costing - Section 2

26.

Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds

 A. 2.0% B. 2.5% C. 4.0% D. 5.0%

Explanation:

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27.

Pick up the correct statement from the following:

 A. The incidental expenses of a miscellaneous character which could not be predicted during preparation of the estimate, is called contingencies B. Additional supervising staff engaged at work site, is called work charged establishment C. Detailed specifications specify qualities, quantities and the proportions of materials to be used for a particular item D. The cost per unit at which the article can be procured, from the open market at a given time, is called 'market rate' E. All the above.

Explanation:

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28.

The expected out turn of brick work in cement mortar in foundation and plinth per mason per day, is

 A. 1.00 m3 B. 1.25 m3 C. 1.50 m3 D. 1.75 m3

Explanation:

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29.

Pick up the correct statement from the following:

 A. If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water (F.S.D.) B. Area of canal in cutting = BD + Sd2 where B = bed width, d = depth of cutting and S is the side slope C. Area of the bank of canal = B1d1 + Sd2 where B1, d1 and S are the width of bank, height of the bank above N.S.L. and side slope respectively D. If F.S.L. is above N.S.L the canal is called partly in cutting and partly in filling and berms are designed as 2d where d is full supply depth E. All the above.

Explanation:

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30.

The following item of earth work is not measured separately.

 A. Setting out of works B. Site clearence C. dead men D. Steps in deep exavaction E. All the above.