A Heat Engine Would Have 100 Percent Efficiency If Its

question 35

Multiple Choice

A heat engine would have 100 percent efficiency if its input reservoir were

• A)100 times hotter than the exhaust sink.
• B)1000 times hotter than the exhaust sink.
• C)100 times cooler than the exhaust sink.
• D)any finite temperature if the exhaust sink were at absolute zero.
• E)at any finite temperature regardless of the heat sink temperature.

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Definitions:

Nocturnal Penile Tumescence

A normal physiological phenomenon where males experience penile erections during sleep or upon waking, often used as an indicator of erectile dysfunction's psychological or physical nature.

Vascular Congestion

The accumulation of an excessive amount of blood in the vessels of a specific area of the body, often leading to swelling and discomfort.

Muscle Contraction

The activation of tension-generating sites within muscle fibers, leading to shortening or lengthening of the muscle and movement or maintenance of posture.

Cardiac Relaxation

The phase of the cardiac cycle when the heart muscle relaxes and the chambers fill with blood.