If a Heat Engine Has an Efficiency of 20% and Its

question 16

Multiple Choice

If a heat engine has an efficiency of 20% and its power output is 660 W,what is the rate of heat input from the combustion phase?
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• A) 132 W
• B) 3,400 W
• C) 3,300 W
• D) 3,200 W
• E) 3,100 W

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Definitions:

Mesencephalon

Also known as the midbrain, it is a portion of the brainstem involved in vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.

Tectum

Roof (area above the ventricle) of the midbrain; its functions are sensory processing, particularly visual and auditory, and the production of orienting movements.

Tegmentum

The tegmentum is a part of the brainstem involved in movement and arousal; it helps regulate many basic functions of life including awareness, and the modulation of pain.

Glial Cells

In the nervous systems, both central and peripheral, there exist cells that are not neurons but serve to protect and support neuronal cells.