The house electrical service should be checked before installing a unit in an older house because the electrical service in many older houses

A) Uses a different style of circuit connector that is not compatible with electric furnaces
B) Operates on DC current, and electric furnaces require AC current
C) Will not supply the current requirements of an electric furnace
D) Will not supply 240 volts to major loads


C

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At the National Renewable Energy Laboratory (NREL) Web site, find information on the six biomass platforms and write a description of each platform.

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What are the benefits of continuously variable transmissions (CVTs)?

What will be an ideal response?

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Technician A says a short input shaft needs a pilot bearing for support. Technician B says pilot bushings are usually pressed into the center of the crankshaft flange. Which technician is correct?

A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technicians A nor B

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Some manufacturers recommend draining the oil from the vacuum pump after each use to prevent pump __________.

A. contamination B. corrosion C. drainage D. leakage

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