CRO Flashcards
Which of the following is equivalent to a wet runway?
(A) A runway that has had 3mm of rain falling on it.
(B) A runway with more than 25% of its surface covered with water/slush/wet snow/dry snow and the depth of water/slush/wet snow/dry snow is less than or equal to 3mm.
(C) Runway that has greater than 3mm of standing water
(D) A runway with poor braking action
B
For how long is the SNOWTAM valid?
(A) 48 hrs
(B) 24 hrs
(C) 36 hrs
(D) 12 hrs
B
Which of the following is true of precipitation drag?
(A) It is made up of Displacement Drag and Impingement Drag
(B) It applies to a situation where rainfall has exceeded 10 mm/hr
(C) It is not affected by the depth of standing water on the runway
(D) It does not affect aircraft acceleration.
A
Which of the following is true about Dynamic Hydroplaning?
(A) It is caused by the lubricating effect of water between the surface and the tire.
(B) It is caused by the locked wheel skidding on slippery surface at speeds more than 20 knots.
(C) It generates steam in tire footprint.
(D) It causes the tire to lift off the pavement and ride on a film of water.
D
From which of the following (contaminated) runways is takeoff not recommended?
(A) More than 13 mm of standing water
(B) More than 13 mm of dry snow
(C) Less than 25 mm of wet snow
(D) Icy runway
A
and
100 mm of dry snow
25 mm of wet snow
Which of the following actions should be taken when an aircraft taking off on a contaminated runway does not accelerate properly?
(A) Apply maximum thrust and hope for the best
(B) Continue the take off normally
(C) Select more flap to improve lift at slow speed
(D) Reject the take off
D
The point at which aquaplaning is likely to occur is based on the relationship between tire pressure and contaminant type. True of False
True