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

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

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Engineering Economics
Each financial ratio is generally compared by

A ratio developed by using the projected financial statement of the firm
A ratio of some selected firms most progressive and successful at the point of consideration
All of these
A past ratio calculated from the past financial standard of the firm

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Engineering Economics
In a cash-flow diagram:

All of these
Time 1 is considered to be the end of time period 1
A vertical arrow pointing up indicates a positive cash flow
Time 0 is considered to be the present

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