Which type of heat transfer occurs in a gas-fired water heater tank when the burner is not firing and tends to move hot water toward the top of the tank?
a. conduction
b. convection
c. radiation
d. emissivity
ANSWER: b
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A feedback potentiometer is used to ________.
A) HVAC control module B) BCM C) ECM D) Any of the above, depending on the make and model of vehicle
Which of the following describes an autotransformer?
a. A transformer that is normally used with metering equipment when the line voltage is too high for the metering equipment b. A transformer that has no electrical metallic connection between the primary and secondary windings c. A transformer with two secondary windings that can deliver two secondary voltages d. A transformer that uses a single winding for both its primary and secondary
Which of the following statements is false?
A. The ideal solution molar enthalpy is equal to the ideal gas molar enthalpy if evaluated at the same temperature and pressure. B. The partial molar volume of component i in the ideal gas state at the system temperature and pressure is not equal to the pure component molar volume evaluated at the system temperature and the partial pressure of component i. C. The partial molar internal energy of component i in the ideal gas state evaluated at the system temperature is equal to the pure component molar internal energy of component i in the ideal gas state evaluated at the system temperature. D. All of the above. E. None of the above.
Through the ____________________ program, FFA members help elementary school students understand crucial roles in agribusiness and how food and other agricultural products are produced
Fill in the blank(s) with correct word