Name three groups of rabbits based on their use
What will be an ideal response?
Domestic rabbits can be divided into several groups based on use. These groups include meat, fur,
pets, show, and laboratory use. Many of the breeds will fall into several of these use groups.
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Explain a floating fastener assembly.
What will be an ideal response?
Transformers in which the primary and secondary voltages are 180 degrees out of phase are known as _____.
a. unlike-wound transformers b. like-wound transformers c. unequal transformers d. step-up transformers
In order to provide drinking water as part of its 50-year plan, a west coast city is considering constructing a pipeline for importing water from a nearby community that has a plentiful supply of brackish ground water. A full-sized pipeline can be constructed at a cost of $122 million now. Alternatively, a smaller pipeline can be constructed now for $80 million and enlarged 20 years from now for another $100 million. The pumping cost will be $25,000 per year higher for the smaller pipeline during the first 20 years, but will be approximately the same thereafter. Both pipelines are expected to have the same useful life with no salvage value. (a) At an interest rate of 6% per year, which alternative is more economical? (b) Write the spreadsheet function to display the PW for the
smaller pipeline alternative. What will be an ideal response?
What is the effect of an increase in the cooling load on a TXV?
a. The superheat decreases, causing the TXV to feed more refrigerant. b. The superheat decreases, causing the TXV to reduce the flow of refrigerant. c. The superheat rises, causing the TXV to feed more refrigerant. d. The superheat rises, causing the TXV to reduce the flow of refrigerant.