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单选题 During a straight, steady, vertical climb (flight path angle 90 degrees)…
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学科：[智慧共享课]飞行原理
时间：2025-04-05 05:27:41
相关题目
题目1单选题
During a straight steady climb:1. lift is less than weight.2. lift is greater than weight.3. load factor is less than 1.4. load factor is greater than 1.5. lift is equal to weight.6. load factor is equal to 1.Which of the following lists all the correct statementsA. 5 and 6B. 1 and 6C. 2 and 4D. 1 and 3
题目2单选题
Given:Aeroplane mass: 50 000kg.Lift/Drag ratio: 12.Thrust per engine: 50 000N.Assumed g: 10m/s².For a straight, steady, wings level climb of a twin engine aeroplane, the all-engines climb gradient isA. 3.7%B. 14%C. 11.7%D. 15.7%
题目3单选题
In a straight and steady descent, the…A. steeper the descent angle, the greater the difference between total weight and liftB. total weight must be equal to lift for the aeroplane to be in equilibriumC. shallower the descent angle, the greater the difference between total weight and liftD. steeper the descent angle, the smaller the difference between total weight and lift
题目4单选题
In a climb (Climb angle = 90 degrees)A. Thrust = DragB. Thrust = Drag + WeightC. Lift = WeightD. Lift = Weight + Drag
题目5单选题
During a straight, steady, vertical climb (flight path angle 90 degrees)…A. lift is equal to the sum of weight and dragB. thrust is equal to weightC. lift is greater than dragD. thrust is equal to the sum of weight and drag
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