It is proposed that a thermal engine operate using the 98°C water from a hot spring by ejecting it to a 10°C stream thereby producing 10 kW of power It discharges 2000 kJ/min of heat. Such an engine is:

A) Impossible
B) Reversible
C) Possible
D) Improbable


A) Impossible

The maximum possible efficiency would be Consequently, . The engine is improbable.

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Turf preparation and maintenance require good soil preparation, including tilling and any needed

amendments, raking or harrowing, irrigation during establishment, use of high-nitrogen fertilizer, and aeration.

Indicate whether the statement is true or false.

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Which term best describes the system concept that a system that does not interact with its

external environment will die?

a. Entropy b. Synergy c. Subsystem interdependence d. Equifinality e. None of these

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Larger broilers weighing 10 pounds, can be grown in as little as _____ days

A) 57 B) 85 C) 46 D) 74

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As a mixture travels through an evaporator, the liquid percentage:

A) Increases greatly. B) Increases slightly. C) Decreases. D) Stays the same.

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