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The Figure below shows a temperature control system that can be used to heat a room or oven. The heat is generated by the
The Figure below shows a temperature control system that can be used to heat a room or oven. The heat is generated by the electric heater. Heat is lost to the outside through the walls. A thermometer is used to measure the temperature. The relays are used as ON/OFF switches. a) What is the mean difference between the two power supplies used in the system? b) Sketch the system functional block diagram. Power Supply No. 1 +5 Controller Potentiometer Relay Power Supply No. 2 Relay Electric motor Electric heater Thermometer -0 FAN
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Thermodynamics An Engineering Approach
Authors: Yunus A. Cengel, Michael A. Boles
8th edition
73398179, 978-0073398174
