A green alternative for residential wiring is ____.
A. plastic-shielded cable
B. wiring with plastic coatings
C. fiberglass-protected cable
D. metal-shielded cable
Answer: D
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Improvements in annual fuel utilization efficiency have been achieved by which of the following? Select all that apply.
A) Heavier heat exchangers. B) Better control of air/fuel ratio. C) Electronic ignition. D) Higher heating value in fuel gases.
¿Qué aislamientos suelen instalarse debajo de los revestimientos de lámina de metal de los precipitadores?
a. Fibra mineral b. Silicato de calcio ("kaylo"). c. Celulosa d. Plana de foamglass
Which of the following statements is LEAST-Likely true?
A. Power steering reservoirs are made of steel. B. Do not pry on the power steering reservoir or any other delicate part. C. Prying against unreinforced sheet metal will cause a dent, which can damage internal components of the pump. D. A click-type belt tension gauge is used for measuring tension on V-ribbed and timing belts.
An R-22 system operating with a liquid pressure of 226 psig (110° saturation temperature). The specified system subcooling is 5°F. The liquid line temperature should be:
A) 110°F. B) 115°F. C) 105°F. D) 100°F.