VISIBILITY MCQ QUESTIONS Question paper of Visibility VISIBILITY MCQ QUESTIONS MCQ OF VISIBILITY 1 / 7 1. What is the relationship between meteorological visibility and RVR in homogeneous fog? The met. vis. is generally less than the RVR. The met. vis. generally is greater than the RVR. The met. vis. generally is the same as the RVR There is no specific relationship between the two. 2 / 7 2. Visibility is reduced by haze when: small water droplets are present dust particles are trapped below an inversion a light drizzle falls a cold front just passed 3 / 7 3. What is the average vertical extent of radiation fog? 2,000 ft. 5,000 ft. 10,000 ft 500 ft. 4 / 7 4. When is the RVR reported at most airports? When the RVR decreases below 800m When the RVR decreases below 2000m When the meteorological visibility decreases below 1500m When the meteorological visibility decreases below 800m 5 / 7 5. Under which of these conditions is radiation fog most likely to form? Little or no cloud. Very dry air. Strong surface winds. Very low temperatures 6 / 7 6. Which of the following conditions is most likely to lead to the formation of advection fog ? Dry cold air moving over a warm surface Moist warm air moving over a cold surface. Moist cold air moving over a warm surface. Dry warm air moving over a cold surface. 7 / 7 7. When does frontal fog, also known as mixing fog, occur? When very humid warm air meets with very humid cold air When very humid warm air meets with dry cold air When very humid cold air meets with dry warm air When very dry cold air meets with very dry warm air Your score isThe average score is 0% 0% Restart quiz