Question

in an apartment building, exhaust from a gas - powered electrical generator is captured to produce hot water to heat a swimming pool. which of the following is illustrated by this process?
a synergy
b cogeneration
c synfuels
d energy recovery

Explanation:

• Synergy: Refers to combined effects greater than sum of individual effects, not directly related to energy - production process here.
• Cogeneration: Involves simultaneous production of electricity (from gas - powered generator) and useful heat (hot water for pool), which matches the described process.
• Synfuels: Are synthetic fuels, not relevant to this energy - utilization scenario.
• Energy recovery: A broader term, but cogeneration is a more specific and accurate description as it highlights the dual (electricity and heat) production aspect.

Answer:

B. Cogeneration