This quiz works best with JavaScript enabled. Home > Weather > Principles Of Meteorology – Quiz 27 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Meteorology Quiz 27 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A storm with spiraling winds that (1) forms over warm ocean water, (2) is several hundred miles wide, (3) lasts up to three weeks, (4) and usually has winds of less than 180 mph is a A) Tornado. B) Hurricane. C) Water spout. D) Thunderstorm. Show Answer Correct Answer: B) Hurricane. 2. Which is most often a result of a warm air mass moving over a cooler air mass? A) A decrease in wind speed. B) A decrease in cloud cover. C) An increase in precipitation. D) An increase in air pressure. Show Answer Correct Answer: C) An increase in precipitation. 3. As water vapor rises into the atmosphere how does this impact the atmospheric conditions? A) Relative humidity will increase as clouds form. B) Relative humidity will decrease as clouds dissipate. C) Relative humidity will increase as clouds dissipate. D) Relative humidity will decrease as clouds form. Show Answer Correct Answer: A) Relative humidity will increase as clouds form. 4. What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide? A) 1%. B) 21%. C) 78%. D) 90%. Show Answer Correct Answer: A) 1%. 5. In which direction do prevailing westerlies flow? A) FROM the east. B) FROM the west. C) FROM the south. D) FROM the north. Show Answer Correct Answer: B) FROM the west. 6. Warm air tends to move which direction in the northern hemisphere? A) Towards the north. B) Towards the south. C) Towards the east. D) Towards the west. Show Answer Correct Answer: A) Towards the north. 7. Stratus is a A) Low level cloud. B) High level cloud. C) Medium level cloud. D) None of above. Show Answer Correct Answer: A) Low level cloud. 8. Weather is a ..... term effect but climate is ..... term. A) Short, long. B) Long, short. C) Warm, Cold. D) High, Low. Show Answer Correct Answer: A) Short, long. 9. What is the name for this air mass?formed over land in a warm region so the air is dry & warm with low pressure A) Continental polar. B) Maritime polar. C) Continental tropical. D) Maritime tropical. Show Answer Correct Answer: C) Continental tropical. 10. What type of cloud is a stratus cloud? A) Low. B) High. C) Middle. D) Vertical. Show Answer Correct Answer: A) Low. 11. The gradual increase in the temperature of the atmosphere is known as ..... A) Greenhouse Effect. B) Global Warming. C) Carbon Dioxide Gases. D) Methane. Show Answer Correct Answer: B) Global Warming. 12. What is the best reason tornadoes form most often in the "Tornado Alley" area of the central United States? A) Warm, humid air from the south meets cold, dry air from the north over the plains. B) The heavy winter snowfall in the plains causes tornadoes in the spring. C) The calm winds on the plains all collect into tornadoes. D) The central US is not really affected by hurricanes, so they get tornadoes instead. Show Answer Correct Answer: A) Warm, humid air from the south meets cold, dry air from the north over the plains. 13. The temperature at which water vapor condenses is the A) Relative humidity. B) Humidity. C) Freezing point. D) Dew point. Show Answer Correct Answer: D) Dew point. 14. What are the wind zones A) Global trade westerlies. B) Tropical temperate polar. C) Abcdefg. D) Wind speed. Show Answer Correct Answer: A) Global trade westerlies. 15. What is the relative humidity if the dry bulb temperature is 160C and the wet bulb temperature is 100C? A) 45%. B) 33%. C) 14%. D) 4%. Show Answer Correct Answer: A) 45%. 16. What happens when a warm moist air mass and a cooler dry air mass meet at Earth's surface? A) The sky becomes clear. B) Winds die down. C) There are fewer clouds. D) Stormy weather builds up. Show Answer Correct Answer: D) Stormy weather builds up. 17. What is a true fact about the mesosphere? A) It is the hottest layer. B) Meteors burn up here. C) The ozone layer is found here. D) Northern Lights happen here. Show Answer Correct Answer: B) Meteors burn up here. 18. When a warm air mass and a cold air mass meet and no movement occurs, the result is a(n) A) Occluded front. B) Stationary front. C) Warm front. D) Cold front. Show Answer Correct Answer: B) Stationary front. 19. Whats the third layer of the atmosphere that has meteors and is the coldest layer? A) Troposphere. B) Mesosphere. C) Stratosphere. D) Thermosphere. Show Answer Correct Answer: B) Mesosphere. 20. Which of the following best describes the general air temperature on a cloudy night? A) Lower than on a clear night. B) Higher than on a clear night. C) The same as on a clear night. D) Less predictable than on a clear night. Show Answer Correct Answer: B) Higher than on a clear night. ← PreviousNext →Related QuizzesPrinciples Of Meteorology Quiz 1Principles Of Meteorology Quiz 2Principles Of Meteorology Quiz 3Principles Of Meteorology Quiz 4Principles Of Meteorology Quiz 5Principles Of Meteorology Quiz 6Principles Of Meteorology Quiz 7Principles Of Meteorology Quiz 8Principles Of Meteorology Quiz 9Principles Of Meteorology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books