Solar energy that is used to heat water as part of the hot water system or as part of the main heating system for residential applications ________
a. Needs to circulate a glycol solution to prevent the solution from freezing.
b. Needs to circulate a glycol solution because glycol should be added to the drinking water and potablewater
c. Does not need a heat exchanger as it is okay for the glycol and potable water to mix.
A
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Answer the following statement(s) true (T) or false (F)
1. When any number of devices are connected so that there is only a single circuit path for electrons, the devices are in series. 2. The total voltage of a series circuit is equal to the sum of all the voltage drops. 3. The total power dissipation is less than the sum of all the individual power ratings. 4. When series circuits are used for the purpose of obtaining different voltages from one voltage source, they are known as voltage subtractors. 5. In some applications, voltage division is achieved by means of potentiometers.
What is a ratio? Make reference to aspect ratios in your explanation.
What will be an ideal response?
The fuel pump inside the fuel tank on a vehicle equipped with gasoline direct injection produces about what pressure?
A) 50 to 60 PSI B) 20 to 40 PSI C) 10 to 20 PSI D) 5 to 10 PSI
800 numbers are provided to corporate and commercial entities, but not to individuals
Indicate whether the statement is true or false