PHSC 211 Chapter 15 Quiz (A grade)

PHSC 211 Chapter 15 Quiz (Fall 2020)– Liberty University (A grade) 1. Which of the following statements is true concerning the units of temperature measurement? a. In the United States, °F are used for surface measurements. b. In the United States, °C are used for surface measurements. c. Internationally, °C are used for surface measurements. d. Internationally, °F are always used. 2. Which heat process involves transfer by mass movement or circulation? a. Conduction b. Convection c. Radiation d. Sublimation 3. If the temperature falls to 50 °F and the dew point is 50 °F, which statement is true? a. The relative humidity is 50% and the air is saturated. b. The relative humidity is 50% and the air is unsaturated. c. The relative humidity is 100% and the air is saturated. d. The relative humidity is 100% and the air is unsaturated. 4. If the temperature falls to 50 °F and the dew point is 40 °F, use the online calculator to compute the relative humidity. What humidity did you find? a. The relative humidity is 43%. b. The relative humidity is 68%. c. The relative humidity is 82%. d. The relative humidity is 100%. 5. It is 7 p.m. and the temperature is 70 °F with a dew point of 60 °F. Thick, low clouds move in after midnight. Which graph of temperature versus time for that night looks most realistic? A B C D Temp. | * | * | | | * | * | ********** | * * * * | * | * | | * | ******* | * | | * | __________ | ______*_____ |__________ | *____________ 7 p.m. 7 a.m. 6. Which heat transfer process was most responsible for the cooling of the ground in the above problem? a. Radiation b. Conduction c. Convection d. Advection 7. Record your answer from Lab Exercise 1, Problem 1: ____D-Steam____ 8. Record your answer from Lab Exercise 1, Problem 2: ____E-Precipitation_______ 9. Record your answer from Lab Exercise 1, Problem 4: ______A-radiation _ 10. Record your answer from Lab Exercise 1, Problem 5: ___C-Upslope_________ 11. The opposite process to condensation is ________________. a. deposition b. evaporation c. sublimation d. freezing 12. If you lift a 15 °C unsaturated air bubble from the surface to 1 km height, what would be its final air temperature? a. –5 °C b. 0 °C c. 5 °C d. 15 °C 13. If the same air bubble underwent the same lift as in problem 11 but was saturated, what would be its final air temperature? a. –5