Spaatz Aerospace 2/3: Questions With Right Solutions
When an object is placed in the path of moving air the mutual attraction of the
molecules slows the rate of flow. This is called:
a. density drag
b. laminar flow
c. camber flow
d. viscous drag Accurate Answer:- d. viscous drag
Which one of the following is not part of an airfoil?
a. leading edge
b. camber
c. chord
d. vector Accurate Answer:- d. vector
The angle between the chord line and the oncoming relative wind best
defines:
a. angle of attack.
b. angle of incidence.
c. angle of descent.
d. camber angle.
a. angle of attack. Accurate Answer:-
Bernoulli's Principle states that:
a. as the velocity of a fluid increases, the pressure increases.
b. as the velocity of a fluid increases, the pressure decreases.
c. as the density of a fluid increases, the pressure increases.
d. as the density of a fluid decreases, the pressure decreases. Accurate
Answer:- b. as the velocity of a fluid increases, the pressure decreases.
The four forces of flight are lift, ______, thrust and weight.
a. drag
b. gravity
c. pressure
d. volume Accurate Answer:- a. drag
Running your hand over a piece of sandpaper would be an example of _______
drag.
, a. form
b. friction
c. induced
d. wave Accurate Answer:- b. friction
T/F Subtracting the empty weight from an airplane's maximum allowable
weight defines useful load. Accurate Answer:- True
T/F Lift can be increased by changing the camber of the airfoil shape of the
wing. This type of lift is called Induced Lift. Accurate Answer:- True
T/F The angle between the chord and the centerline of the aircraft is called
the Angle of Attack. Accurate Answer:- False
T/F The trailing edge of an airfoil meets relative wind first. Accurate
Answer:- False
The __________ axis runs from the tip of the nose to the tip of the tail of a single
engine airplane.
a. elevation
b. lateral
c. longitudinal
d. vertical Accurate Answer:- c. longitudinal
Where is the central area of a reciprocating engine where fuel is converted
into energy?
a. crankshift
b. cylinder
c. pistons
d. spark plugs Accurate Answer:- b. cylinder
Which of the following is not one of the four basic types of turbine engines?
a. turbojet
b. turbofan
c. turboprop
d. turborod Accurate Answer:- d. turborod
Which of the following are protrusions from the leading edge of a wing?
a. flaps
When an object is placed in the path of moving air the mutual attraction of the
molecules slows the rate of flow. This is called:
a. density drag
b. laminar flow
c. camber flow
d. viscous drag Accurate Answer:- d. viscous drag
Which one of the following is not part of an airfoil?
a. leading edge
b. camber
c. chord
d. vector Accurate Answer:- d. vector
The angle between the chord line and the oncoming relative wind best
defines:
a. angle of attack.
b. angle of incidence.
c. angle of descent.
d. camber angle.
a. angle of attack. Accurate Answer:-
Bernoulli's Principle states that:
a. as the velocity of a fluid increases, the pressure increases.
b. as the velocity of a fluid increases, the pressure decreases.
c. as the density of a fluid increases, the pressure increases.
d. as the density of a fluid decreases, the pressure decreases. Accurate
Answer:- b. as the velocity of a fluid increases, the pressure decreases.
The four forces of flight are lift, ______, thrust and weight.
a. drag
b. gravity
c. pressure
d. volume Accurate Answer:- a. drag
Running your hand over a piece of sandpaper would be an example of _______
drag.
, a. form
b. friction
c. induced
d. wave Accurate Answer:- b. friction
T/F Subtracting the empty weight from an airplane's maximum allowable
weight defines useful load. Accurate Answer:- True
T/F Lift can be increased by changing the camber of the airfoil shape of the
wing. This type of lift is called Induced Lift. Accurate Answer:- True
T/F The angle between the chord and the centerline of the aircraft is called
the Angle of Attack. Accurate Answer:- False
T/F The trailing edge of an airfoil meets relative wind first. Accurate
Answer:- False
The __________ axis runs from the tip of the nose to the tip of the tail of a single
engine airplane.
a. elevation
b. lateral
c. longitudinal
d. vertical Accurate Answer:- c. longitudinal
Where is the central area of a reciprocating engine where fuel is converted
into energy?
a. crankshift
b. cylinder
c. pistons
d. spark plugs Accurate Answer:- b. cylinder
Which of the following is not one of the four basic types of turbine engines?
a. turbojet
b. turbofan
c. turboprop
d. turborod Accurate Answer:- d. turborod
Which of the following are protrusions from the leading edge of a wing?
a. flaps