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Parallel with the cooling contacts
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∙ 11y ago
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What is a endopthermic reaction?
An endothermic reaction is a reaction where heat flows from the surroundings in to the system. Holding an cold pack to your skin is an endothermic reaction; heat flows from your skin (surroundings) into to the cold pack (system).
How is heat included in the equation of an exothermic reaction?
Heat is written as a product of the reaction (apecs answer)
What happens to the heat in a system and in the surroundings in an exothermic reaction?
the system releases heat,meaning that energy is generatered.
Entropy is the amount of heat a system releases?
False
The heat content of a system at constant pressure?
Enthalpy
What are three kinds of switching mechanisms used in low-voltage thermostats?
Mercury Bulb, heat-anticipator and a cold-anticipator.
What helps limit the amount of system overshoot?
A cold anticipator
Is it true or false that a heat anticipator should be set to match the amp draw of all heat relay controls in the control circuit?
True
Furnace heat is sometimes too hot and other times to cold?
First check your thermostat to determine if the anticipator is set correctly and is operating properly.
What is an anticipator?
An anticipator is a device in a thermostat which determines when to turn on or shut off the heating or cooling mechanism.
What is a Heat Anticipator?
A Heat Anticipator is really a potentiometer connected to (possibly) two resistors. You may see these resistors behind a mechanical thermostat "coil". When the heater is running, current flows and heats up the resistors, making the heater turn off a little early so that it doesn't overshoot the temp you have set. If the pot is set at it maximum resistance, the resistors heat less, it just makes sense. Check your manual on your thermostat for proper settings.
Inside a GE CHT18-60 thermostat control box there is a toggle labeled longer with the numbers 1 through point 18 what does it do?
Is a slider for the "adjustable heat anticipator assembly"
How should the thermostat be set for gas hot forced air furnace?
In the instruction manual for the furnace, it will either give you the heat anticipator setting or instruct you how to do it. If its digital, well then follow the thermostat instructions
What is the main disadvantage of wired systems?
The main disadvantage of wired system is that they are very complex. The wiring increases the complexity of the systems.
Can Xbox wireless and wired controllers be used together on a system?
yes they can, i have one wired and three wireless and they work together perfectly
What is heat system?
This is a system to produce heat.
What is heat rejection?
The heat of rejection, also known as just heat rejection, is when heat leaves a system. How much heat is lost depends on the system and its functionality.
