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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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
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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