SAMPLE:
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Topic: 08.5 Mix Question and Answers.


Question Number.	1.	A 'slug' is a unit of.		
Option A.	mass.	
Option B.	density.	
Option C.	volume.	
Correct Answer is.	mass.	



Question Number.	2.	An undercarriage leg in flight produces 3 lbs of drag at 100kts. If speed is increased to 200kts the drag would be.		
Option A.	12 lbs.	
Option B.	9 lbs.	
Option C.	6 lbs.	
Correct Answer is.	12 lbs.	
Explanation.	Profile drag rises with V squared.


Question Number.	3.	A stall warning device must be set to operate.		
Option A.	at a speed just above stalling speed.	
Option B.	at a speed just below stalling speed.	
Option C.	at the stalling speed.	
Correct Answer is.	at a speed just above stalling speed.	



Question Number.	4.	In cruise the weight of an aeroplane is decreasing as fuel is used. A stall would occur.		
Option A.	at a lower speed.	
Option B.	at the same speed.	
Option C.	at a higher speed.	
Correct Answer is.	at a lower speed.	
Explanation.	Stall speed increases with increasing weight.


Question Number.	5.	The purpose of 'streamlining' is to reduce.		
Option A.	profile drag.	
Option B.	skin friction drag.	
Option C.	induced drag.	
Correct Answer is.	profile drag.	



Question Number.	6.	As height increases, with angle of attack and speed constant.		
Option A.	lift will remain constant.	
Option B.	lift Increases.	
Option C.	lift decreases.	
Correct Answer is.	lift decreases.	
Explanation.	That is why a greater angle of attack is required at higher altitude.