An Electrical Generating Plant Operates at a Boiler Temperature of 224°C

question 70

Multiple Choice

An electrical generating plant operates at a boiler temperature of 224°C and exhausts the unused heat into a nearby river at 21°C.What is the maximum theoretical efficiency of the plant? (0°C = 273 K)
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• A) 17%
• B) 7%
• C) 64%
• D) 41%
• E) ​74%

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Definitions:

Phalanges

The bones of the fingers and toes.

Metacarpals

are the five long bones in the hand that connect the wrist to the fingers, forming the part of the hand's skeleton known as the metacarpus.

Ulna

One of the two long bones in the forearm, extending from the elbow to the smallest finger, and when in anatomical position, is located on the inner aspect of the forearm.

Femur

The longest and strongest bone in the human body, extending from the hip to the knee.