Engineering Economics
In what method of computing depreciation where it assumes that a sinking fund is established in which funds will accumulate for replacement purposes?

Sinking fund method
Straight line method
Sum-of-year digit method
Declining balance method

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Engineering Economics
Pick up the correct reason for making conceptual (or preliminary) estimate from the following:

To have a check on a definitive cost estimate
All of these
To compute target estimate for the owner while drawing and specifications are in initial stage
To check quotations from contractors and/or sub-contractors

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Engineering Economics
Which one of the following questions is relevant to the construction estimates?

How much money will the contractor's risk, loosing if he were to submit bid on the raw estimate of cost
Did the estimators use short cut methods which may be unrealistic in their situation
Did the estimators precisely evaluate site conditions
All of these

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