Provide one way to control soil temperature in the field
What will be an ideal response?
Covering the soil with different colored plastics or mulches can be used to modify
temperature. Another way to modify temperature is to promote adequate drainage,
either by modifying the soil texture or by using raised beds.
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Technician "A" says that a multi-evaporator system equipped with three evaporators (one high temperature, one medium temperature, and one low temperature) will use one evaporator pressure regulator and two flow check valves. Technician "B" says that the crankcase pressure regulator is used to keep the low-temperature compressor from overloading on a hot pulldown. Which of the following statements is correct?
A. Technician "A" is correct. Technician "B" is correct. B. Technician "A" is correct. Technician "B" is incorrect. C. Technician "A" is incorrect. Technician "B" is correct. D. Technician "A" is incorrect. Technician "B" is incorrect.
With Ohm’s law, current must be expressed in ____.
a. watts b. volts c. amperes d. kilohms
Charlie’s Truck Repair and Service has a new contract that requires him to purchase and maintain new equipment for work on 18-wheeler trucks and heavy road equipment. Two separate vendors have made quotes and estimates for Charlie. Use the estimates and a 6% per year return requirement to find the better economic option. One problem is that Charlie does not currently know if the contract will last for 5, 8, or 10 years. He needs a recommendation for all three time periods.
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After the air lines have been connected and secured during the coupling procedure, the driver should get back into the cab, and, with the truck engine off, push in the _____ to supply the trailer brakes with air.
Fill in the blank(s) with the appropriate word(s).