An Electrical Generating Plant Operates at a Boiler Temperature of 225°C

question 41

Multiple Choice

An electrical generating plant operates at a boiler temperature of 225°C and exhausts the unused heat into a nearby river at 25.0°C.If the generating plant has a power output of 850 megawatts (MW) and if the actual efficiency is 3/4 the theoretical efficiency,how much heat per second must be delivered to the boiler? (0°C = 273 K)

• A)8 470 MW
• B)4 230 MW
• C)2 120 MW
• D)2 820 MW
• E)1 690 MW

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The idea that fashion can express personal values, identities, and societal statements, going beyond mere aesthetics.

Perceptual Set

A mental predisposition to perceive one thing and not another, influenced by expectations, emotions, and experiences.

Difference Threshold

The minimum difference in stimulation that a person can detect 50 percent of the time, also known as the Just Noticeable Difference (JND).

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