Engineering Economics
“When one of the factors of production is fixed in quantity or is difficult to increase, increasing the other factors of production will result in a less than proportionate increase in output”. This statement is known as the:

Law of supply
Law of diminishing return
Law of supply and demand
Law of demand

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

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

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Engineering Economics
Using factor method, the depletion at any given year is equal to:

Initial cost of property divided by the number of units sold during the year
Initial cost of property times number of unit sold during the year divided by the total units in property
Initial cost of property times number of units sold during the year
Initial cost of property divided by the total units in property

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