ATPL (Philippines) - Operational Procedures 3 2023/2024 passed

ATPL (Philippines) - Operational Procedures 31. A definition of the term "viscous hydroplaning" is where A. the airplane rides on standing water. B. a film of moisture covers the painted or rubber-coated portion of the runway. C. the tires of the airplane are actually riding on a mixture of steam and melted rubber. - correct answers B. a film of moisture covers the painted or rubber-coated portion of the runway. 2. Compared to dynamic hydroplaning, at what speed does viscous hydroplaning occur when landing on a smooth, wet runway? A. At approximately 2.0 times the speed that dynamic hydroplaning occurs. B. At a lower speed than dynamic hydroplaning. C. At the same speed as dynamic hydroplaning. - correct answers B. At a lower speed than dynamic hydroplaning. 3. At what minimum speed (rounded off) could dynamic hydroplaning occur on main tires having a pressure of 121 PSI? A. 90 knots. B. 96 knots. C. 110 knots. - correct answers B. 96 knots. 4. At what minimum speed will dynamic hydroplaning begin if a tire has an air pressure of 70 PSI? A. 85 knots.