Which type of electrical drawing shows the relative physical location of the devices but does not aid in understanding the electrical operation?
A. single-line drawing
B. pictorial diagram
C. schematic diagram
D. ladder diagram
Answer: B
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Which of the following statements best captures the intuitive reason behind discounting?
A) Since investments yield a return, we have to give up less than $1 today to obtain $1 in future benefits. Hence we place less weight on future benefits and costs than we would on benefits and costs that dollars occur today. B) Since dollars today can be invested, yielding a positive return, discounting places more weight on future returns. C) Since dollars today can be invested, to obtain $1 in the future we have to give up less than $1 today. Hence future benefits and costs are given more weight than benefits and costs today. D) Since incomes rise over time, discounting means that we place less weight on benefits and costs today and more weight on benefits in the future.
Synthetic organic compounds have originated relatively recently; many of them have come into use in the last 10 to 15 years
Indicate whether the statement is true or false
Low pressure chillers use either air- or water-cooled condensers.
Answer the following statement true (T) or false (F)
In selecting the joining process, one consideration relates to the ____, such as whether the weld will be used on a piece of furniture, or to repair a piece of equipment, or to join a pipeline.?
A. ?quality requirements B. ?appearance of the finished product C. ?materials to be used D. ?size of the parts to be joined