Mass and Balance

Question 1

When the weight of an airplane increases, which of the following forces will also increase? Select the most complete answer.

1-Drag
2-Lift
3-All answers are correct
4-Thrust

Answer 1

3-All answers are correct

Question 2

When should weight and balance calculations be performed?

1-After each flight
2-Before each flight
3-After each month of operation of the aircraft
4-After leaving the airport

Answer 2

Before each flight

Question 3

How does the aft movement of the center of gravity affect the stability and maneuverability of the aircraft?

1-Maneuverability increases
2-Aircraft maneuverability and stability increase
3-Stability increases
4-All answers are correct

Answer 3

1-Maneuverability increases

What increases with forward CG position?
“STICK the TAIL FORWARD and STABILY DRAG it with SPEED until you find FUEL”

-STICK forces
-downforce on TAIL
-STABILITY
-DRAG
-SPEEDs
-FUEL consumption

Question 4

Which of the following will decrease when the mass of the aircraft increases?

1-Maneuverability
2-Tire wear
3-Take-off distance
4-Approach speed
**

Answer 4

Maneuverability

Question 5

Which of the following will decrease when the center of gravity shifts forward?

1- All of the above
2-Range
3-Maneuverability
4-Climb gradient

Answer 5

1- All of the above

What increases with forward CG position?
“STICK the TAIL FORWARD and STABILY DRAG it with SPEED until you find FUEL”

-STICK forces
-downforce on TAIL
-STABILITY
-DRAG
-SPEEDs
-FUEL consumption

Question 6

For the specified aircraft, which of the following values is typically the lowest?

1- Zero Fuel Mass
2- Ramp Mass
3- Gross Mass
4- Basic Empty Mass

Answer 6

4- Basic Empty Mass

Question 7

What is trip fuel?

1- Fuel available to aircraft for the engine start up
2- Fuel required to complete a given operation
3- Fuel burned from takeoff to touchdown
4- No answer is correct

Answer 7

Fuel burned from takeoff to touchdown

Question 8

What is a balance arm?

1- It is the distance between the datum and the center of mass of an element

2- It is the distance between the center of gravity and the center of mass of an element

3- It is the point at which the sum of moments is balanced

4- It is the point at which the sum of the forces is balanced

Answer 8

1- It is the distance between the datum and the center of mass of an element

Question 9

If the relative density of fuel is 0.72, what is the mass of 100 liters of fuel?

7,2 kg
720 kg
72 lbs
72 kg

Answer 9

72 kg

Question 10

What is the Basic Empty Mass (BEM)?

1- Mass of the aircraft with fuel and without equipment

2- Mass of the aircraft with basic equipment

3- Mass of the aircraft with fuel for taxi

4- Mass of the aircraft with basic equipment, crew and takeoff fuel, without the baggage

Answer 10

Mass of the aircraft with basic equipment