Discuss five advantages of monoculture systems

What will be an ideal response?


1 . Machinery specialized for the crop can be used to maximize efficiency of crop planting and harvest.
2 . Chemicals such as herbicides, insecticides, and fungicides can be used to target specific weed, insect, and microbial pests of the monocrop.
3 . Fertilizer systems can be developed to meet the nutrient needs of the crop by applying the nutrients at specific developmental stages.
4 . Specialized varieties are developed to efficiently use light, moisture, and other environmental resources.
5 . With monocultures, maturity and dry down of all plants within a variety is synchronized. This allows for a single harvest with reduced loss of grain due to spoilage.

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Diesel fuels contain some paraffin (wax). In very cold weather, the paraffin can separate from the fuel. This is called the ____________________.

Fill in the blank(s) with the appropriate word(s).

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You should expect that the interviewer will ask how old you are and whether you are married

Indicate whether the statement is true or false

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A chemical engineer is considering two sizes of pipes for moving distillate from a refinery to the tank farm. A small pipeline will cost less to purchase (including valves and other appurtenances), but will have a high head loss and, therefore, a higher pumping cost. The small pipeline will cost $1.7 million installed and have an operating cost of $12,000 per month. A larger-diameter pipeline will cost $2.1 million installed, but its operating cost will be only $8000 per month. Which pipe size is more economical at an interest rate of 1% per month on the basis of an annual worth analysis? Assume the salvage value is 10% of the first cost for each pipeline at the end of the 10-year project.

What will be an ideal response?

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Technician A says that most crankshafts can be reground to be 0.010, 0.020, or 0.030 inch undersize. Technician B says that most engine bearings are constructed with an aluminum shell for strength and are covered with a tin-lead alloy. Who is right?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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