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A Common Problem in Masonry Walls Is Efflorescence

question 101

Multiple Choice

A common problem in masonry walls is efflorescence. Which of the following condition/conditions must be present for efflorescence to occur?
A.presence of salt in the wall
B.extremely low humidity
C.exposure to water
D.contact of water with salt


Definitions:

Net Present Value

A method used in capital budgeting to evaluate the profitability of an investment, calculated by subtracting the initial investment from the present value of cash inflows over a period of time.

Rate of Return

The percentage of profit or loss on an investment over a specified period.

Required Rate

Often used in reference to the minimum acceptable return on investment or the minimum discount rate used in net present value calculations.

Internal Rate of Return

A metric used in financial analysis to estimate the profitability of potential investments, calculated as the rate of return that makes the net present value of all cash flows from a particular project equal to zero.

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