If one account receives a benefit in the form of cash, goods or services etc, there must be equal loss of benefit by another account. This refers to?

a.

accounting

b.

double entry system

c.

bookkeeping

d.

single entry system

All of the following are usually included in an engineering economic analysis except

a.

Sunk Costs

b.

Fixed costs

c.

Total Revenue

d.

Variable costs

The Annual Worth (AW) value is comprised of two components. These components are:

a.

CR + A

b.

CR + F

c.

AW + S

d.

P + AW

The initial cost of a packed-bed degassing reactor for removing trihalomethanes from potable wateris $84,000. The annual operating cost for power, site maintenance, etc. is $13,000. If the salvagevalue of the pumps, blowers, and control systems is expected to be $9000 at the end of 10 years, theAW of the packed-bed reactor, at an interest rate of 8% per year, is closest to:

a.

$25,518

b.

$26,140

c.

$24,900

d.

$13,140

The present worth of an alternative that provides infinite service is called its:

a.

Capitalized Cost

b.

Discounted Total Cost

c.

Perpetual Annual Cost

d.

Net Present Value