The demand for both all food and individual foods is typically price elastic
Indicate whether the statement is true or false
FALSE
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Briefly describe differential backup. What are some of the advantages and disadvantages of using differential backup?
What will be an ideal response?
If two females occupy a cage and both have litters, they will share responsibilities for nursing and caring for the young
Indicate whether the statement is true or false
Accurate air flow measurement requires straight, unobstructed pipe for a minimum of 10 diameters upstream and 5 diameters downstream of the measuring device. In one particular application, physical constraints compromised the pipe layout, so the engineer was considering installing the air flow probes in an elbow (Plan A), knowing that flow measurement would be less accurate but good enough for process control. This plan would be acceptable for only 2 years, after which a more accurate flow measurement system with the same costs will be available. Plan A has a first cost of $25,000 with annual M&O estimated at $4000. Plan B involves installation of a recently designed submersible air flow probe. The stainless steel probe could be installed in a drop pipe with the transmitter
located in a waterproof enclosure on the handrail. The cost of this system will be $88,000, but because it is accurate, it would not have to be replaced for at least 6 years. Its maintenance cost is estimated to be $1400 per year. Neither system will have a salvage value. (a) At i = 12% per year, select A or B on the basis of an AW comparison. (b) Use future worth analysis to select between A and B. What will be an ideal response?
Which statement below is FALSE?
A) Excessive lateral runout can cause a tramp-type vibration B) Excessive radial runout can cause a tramp-type vibration C) A tire out of balance statically can cause a tramp-type vibration D) A tire out of balance dynamically can cause a shimmy-type vibration