OPS Dispatch Exam UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
As aircraft weight decreases with fuel burn, to maintain long range cruise, the pilot must
A) increase thrust and reduce airspeed
B) maintain thrust and increase airspeed
C) reduce thrust to maintain best L/D ratio
D) reduce thrust and reduce airspeed - CORRECT ANSWER reduce thrust and airspeed
In cruise, an airplane increases power to accelerate and increase speed. What happens to the angle of
attack if the aircraft maintains altitude?
A) angle of attack decreases
B) angle of attack increases
C) increase angle of attack until stable, and then decrease
D) no change - CORRECT ANSWER a) angle of attack decreases
Which of the following has the greatest impact on speed of sound?
A) pressure
B) temperature
C) airfoil shape
D) wind - CORRECT ANSWER temperarture
What happens to the angle of attack when the aircraft is transitioning from climb into a level cruising
attitude?
A)it increases
B) it decreases
C) remains the same
D) goes to 0 - CORRECT ANSWER it decreases
What is the angle of incidence?
A) the angle between the chord line of the wing and the relative airflow
,B) the angle between the chord line of the wing and the lateral axis
C) the angle between the chord line of the wing and the longitudinal axis
D) the angle between the chord line of the wing and the thrust vector - CORRECT
ANSWER the angle between the chord line of the wing and the longitudinal axis
Which of the following can change the critical angle of attack?
A) weight of the aircraft
B) airfoil shape
C) load factor
D) airspeed - CORRECT ANSWER airfoil shape
In turbulence, a vertical gust affects stall speed of an aircraft primarily due to the change in
A) angle of attacks
B) center of gravity
C) boundary layer
D) airflow density - CORRECT ANSWER angle of attacks
How would a higher pressure altitude affect the landing distance of an aircraft?
A)increase landing distance
B) reduces landing distance
C) has no effect - CORRECT ANSWER increase landing distance
In regards to low level wind shear, which of the following is true?
A) increase in headwind or decrease in tailwind will result in decreased IAS
B) decrease in headwind or increase in tailwind will result in decreased IAS
C) decrease in headwind or increase in tailwind will result in increased IAS
D) none of the above - CORRECT ANSWER decrease in headwind or increase in tailwind will
result in decreased IAS
How would wind shear affect climb?
A) sudden increase or decrease of airspeed
,B) cause turbulence due to violent air movement
C) increase or decrease climb rate
D) all of the above - CORRECT ANSWER all of the above
Weight added to an aircraft will:
A) increase landing distance
B) decrease landing distance
C) landing distance remains the same
D) depends on the type of aircraft - CORRECT ANSWER increase landing distance
Once an airfoil stalls, the center of pressure
A) moves forward
B) moves back
C) stays stationary
D) moves up - CORRECT ANSWER moves back
What is critical mach number?
A) the aircraft speed at which airflow becomes sonic over any part of the aircraft
B) the maximum airspeed that an aircraft can achieve
C) the airspeed where the airflow is between subsonic and transonic
D) the airspeed use for Critical Point calcuations - CORRECT ANSWER the aircraft speed at
which airflow becomes sonic over any part of the aircraft
What do spoilers do
A) decrease lift and decrease drag
B) increase lift and increase drag
C) increase lift and decrease drag
D) decrease lift and increase drag - CORRECT ANSWER decrease lift and increase drag
When is the worst kind of wake turbulence encountered behind a heavy aircraft?
A) on the ground
, B)clean and slow
C) when engines are running
D) when the flaps are down - CORRECT ANSWER clean and slow
Wake turbulence is a by-product of ?
A) wing tip vortices
B) lift
C) wing fences
D) speed and weight - CORRECT ANSWER lift
Wing tip vortices result in which kind of drag?
A) induced drag
B)form drag
C) parasite drag
D) profile drag - CORRECT ANSWER induced drag
You will expect worst turbulence behind a heavy aircraft if you are?
A) on the runways that it took off on
B) climbing
C) highspeed cruise
D) on approach - CORRECT ANSWER on the runway it took of on
In terms of wake turbulence, what is considered a heavy aircraft
A) certified for max takeoff weight of 100,000lbs or more
B) certified for max takeoff weight of 200,000lbs or more
C)certified for max takeoff weight of 300,000lbs or more - CORRECT ANSWER certified for a
max takeoff weight of 300,000lbs or more
Severe wake turbulence can be expected behind a heavy aircraft when it is
A) taxiing
B)developing lift
QUESTIONS AND CORRECT ANSWERS
As aircraft weight decreases with fuel burn, to maintain long range cruise, the pilot must
A) increase thrust and reduce airspeed
B) maintain thrust and increase airspeed
C) reduce thrust to maintain best L/D ratio
D) reduce thrust and reduce airspeed - CORRECT ANSWER reduce thrust and airspeed
In cruise, an airplane increases power to accelerate and increase speed. What happens to the angle of
attack if the aircraft maintains altitude?
A) angle of attack decreases
B) angle of attack increases
C) increase angle of attack until stable, and then decrease
D) no change - CORRECT ANSWER a) angle of attack decreases
Which of the following has the greatest impact on speed of sound?
A) pressure
B) temperature
C) airfoil shape
D) wind - CORRECT ANSWER temperarture
What happens to the angle of attack when the aircraft is transitioning from climb into a level cruising
attitude?
A)it increases
B) it decreases
C) remains the same
D) goes to 0 - CORRECT ANSWER it decreases
What is the angle of incidence?
A) the angle between the chord line of the wing and the relative airflow
,B) the angle between the chord line of the wing and the lateral axis
C) the angle between the chord line of the wing and the longitudinal axis
D) the angle between the chord line of the wing and the thrust vector - CORRECT
ANSWER the angle between the chord line of the wing and the longitudinal axis
Which of the following can change the critical angle of attack?
A) weight of the aircraft
B) airfoil shape
C) load factor
D) airspeed - CORRECT ANSWER airfoil shape
In turbulence, a vertical gust affects stall speed of an aircraft primarily due to the change in
A) angle of attacks
B) center of gravity
C) boundary layer
D) airflow density - CORRECT ANSWER angle of attacks
How would a higher pressure altitude affect the landing distance of an aircraft?
A)increase landing distance
B) reduces landing distance
C) has no effect - CORRECT ANSWER increase landing distance
In regards to low level wind shear, which of the following is true?
A) increase in headwind or decrease in tailwind will result in decreased IAS
B) decrease in headwind or increase in tailwind will result in decreased IAS
C) decrease in headwind or increase in tailwind will result in increased IAS
D) none of the above - CORRECT ANSWER decrease in headwind or increase in tailwind will
result in decreased IAS
How would wind shear affect climb?
A) sudden increase or decrease of airspeed
,B) cause turbulence due to violent air movement
C) increase or decrease climb rate
D) all of the above - CORRECT ANSWER all of the above
Weight added to an aircraft will:
A) increase landing distance
B) decrease landing distance
C) landing distance remains the same
D) depends on the type of aircraft - CORRECT ANSWER increase landing distance
Once an airfoil stalls, the center of pressure
A) moves forward
B) moves back
C) stays stationary
D) moves up - CORRECT ANSWER moves back
What is critical mach number?
A) the aircraft speed at which airflow becomes sonic over any part of the aircraft
B) the maximum airspeed that an aircraft can achieve
C) the airspeed where the airflow is between subsonic and transonic
D) the airspeed use for Critical Point calcuations - CORRECT ANSWER the aircraft speed at
which airflow becomes sonic over any part of the aircraft
What do spoilers do
A) decrease lift and decrease drag
B) increase lift and increase drag
C) increase lift and decrease drag
D) decrease lift and increase drag - CORRECT ANSWER decrease lift and increase drag
When is the worst kind of wake turbulence encountered behind a heavy aircraft?
A) on the ground
, B)clean and slow
C) when engines are running
D) when the flaps are down - CORRECT ANSWER clean and slow
Wake turbulence is a by-product of ?
A) wing tip vortices
B) lift
C) wing fences
D) speed and weight - CORRECT ANSWER lift
Wing tip vortices result in which kind of drag?
A) induced drag
B)form drag
C) parasite drag
D) profile drag - CORRECT ANSWER induced drag
You will expect worst turbulence behind a heavy aircraft if you are?
A) on the runways that it took off on
B) climbing
C) highspeed cruise
D) on approach - CORRECT ANSWER on the runway it took of on
In terms of wake turbulence, what is considered a heavy aircraft
A) certified for max takeoff weight of 100,000lbs or more
B) certified for max takeoff weight of 200,000lbs or more
C)certified for max takeoff weight of 300,000lbs or more - CORRECT ANSWER certified for a
max takeoff weight of 300,000lbs or more
Severe wake turbulence can be expected behind a heavy aircraft when it is
A) taxiing
B)developing lift
