The "Hot Shot" Heat Engine Operating Between 40°C and 380°C

question 121

Multiple Choice

The "hot shot" heat engine operating between 40°C and 380°C has an efficiency that is 60% of that of an ideal Carnot engine operating between the same temperatures. If the "hot shot" engine
Absorbs heat at a rate of 60 kW, at what rate does it exhaust heat?

• A) 41 kW
• B) 36 kW
• C) 60 kW
• D) 57 kW

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Definitions:

Resistance Temperature Detectors

Sensors that measure temperature by correlating the resistance of the RTD element with temperature.

Thermocouples

Sensing devices used to measure temperature, consisting of two dissimilar metal wires joined at one end, producing a voltage proportional to temperature difference.

Reed Relay

A type of relay that uses a pair of magnetic reeds as the switching mechanism, often enclosed in a glass tube to protect against external magnetic fields and contaminants.

Permanent Magnet

A material that maintains a constant magnetic field without the need for electrical power.