A low temperature evaporator always operates below freezing and the box is always below freezing as well. How is defrost accomplished?
What will be an ideal response?
A source of heat is needed, such as hot gas or electric.
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Why are insects so difficult to control?
A) They undergo so many stages. B) They are so small. C) There are so many of them. D) They eat so much.
A driver on a level two-lane highway observes a truck completely blocking the highway. The driver was able to stop her vehicle only 30 ft from the truck. If the driver was driving at 55 mi/h, how far was she from the truck when she first observed it (assume perception-reaction time is 1.5 seconds)? How far was she from the truck at the moment the brakes were applied (use a/g = 0.35)?
What will be an ideal response?
For the cash flows shown, find the future worth in (a) year 5, and (b) year 4. Assume an i of 10% per year.
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Technician A says that driving the ring gear while the sun gear is held will make the planet gears walk around the sun gear. Technician B says that driving the ring gear while holding the sun gear will force the carrier to rotate at a reduction speed. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician