____________________________ heat pumps utilize two coaxial heat exchangers, as compared to only one on the water-to-air configuration.
Fill in the blank(s) with the appropriate word(s).
Water to water
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Magnetic drives are used for applications requiring a(n) ____ speed such as cranes, hoists, fans, compressors, and pumps.
a. high b. constant c. input d. adjustable
____ means finding ways to reduce the size of the product, to reduce the amount of material used in the product, or to use materials that are more environmentally friendly.
A. Technology B. Waste prevention C. Recycling D. Composting
While discussing a vibration: Technician A says if the vibration changes with a change in engine speed, the cause of the problem is most probably the torque converter. Technician B says if the vibration changes with vehicle speed, the cause of the problem is probably the driveshaft. Who is correct?
A. A only B. B only D. Neither A nor B
The shaft support shown in the accompanying figure is an example of a machine part that can be sketched easily by ____.
A. reduction B. blocking C. estimating D. inversion