WorksheetsReviewer Lesson No. 6 Hydromechanical Control 11-07 LC
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What was the first solution used to help pilots manage control surfaces?
a)
A. Power-assisted control system
b)
B. Electric trim
c)
C. Spring tabs
d)
D. Hydromechanical flight control system
2.
At what speeds were spring tabs effective for aircraft?
a)
A. 150-200 mph
b)
B. 200-250 mph
c)
C. 250-300 mph
d)
D. 300-350 mph
3.
What does a conventional control system use to connect cockpit controls to aircraft surfaces?
a)
A. Hydraulic actuators
b)
B. Mechanical linkages
c)
C. Electrical systems
d)
D. Autopilot computers
4.
How does a power-assisted control system help pilots manage higher aerodynamic forces?
a)
A. By using spring tabs
b)
B. By using autopilot systems
c)
C. By using hydraulic actuators
d)
D. By using electric motors
5.
What happens when a pilot moves a control in a power-assisted system?
a)
A. It sends an electric signal to the control surface
b)
B. It directly moves the control surface
c)
C. It opens and closes servo valves through mechanical linkages
d)
D. It activates spring tabs
6.
What is a risk associated with the hydromechanical flight control system?
a)
A. Pilot can feel the aerodynamic forces
b)
B. Pilot cannot feel the aerodynamic forces
c)
C. It lacks mechanical backup
d)
D. It cannot be used in modern aircraft
7.
Why do large aircraft often have a mechanical control network as a backup?
a)
A. To reduce weight
b)
B. To ensure control in case of hydraulic system failure
c)
C. To increase speed
d)
D. To simplify maintenance
8.
What role do computers play in modern aircraft flight control systems?
a)
A. They replace the pilot
b)
B. They interface with autopilots and other systems
c)
C. They reduce the aircraft's speed
d)
D. They control fuel consumption
9.
Where are the switches to operate electric trim typically located?
a)
A. On the cockpit door
b)
B. On the control yoke
c)
C. On the landing gear
d)
D. On the aircraft's wings
10.
What must pilots do to engage the trim motor(s)?
a)
A. Activate the autopilot
b)
B. Press a single button
c)
C. Activate both switches simultaneously
d)
D. Pull a lever
11.
What does upward movement of the trim switches command?
a)
A. Nose down reaction
b)
B. Nose up change
c)
C. Roll to the left
d)
D. Roll to the right
12.
What does downward movement of the trim switches provide?
a)
A. Nose down reaction
b)
B. Nose up change
c)
C. Roll to the left
d)
D. Roll to the right
13.
What happens if the elevator control input opposes the direction of trim?
a)
A. The trim tabs move uncontrollably
b)
B. The autopilot disengages
c)
C. The motion of the stabilizer is arrested
d)
D. The flaps are extended
14.
What benefit does the mechanical trim system provide to pilots?
a)
A. Reduces fuel consumption
b)
B. Reduces pilot workload by maintaining desired attitude
c)
C. Increases aircraft speed
d)
D. Increases aerodynamic forces
15.
What is the primary function of the hydraulic motor in flap systems?
a)
A. To store energy
b)
B. To drive the flap transmission
c)
C. To adjust the aircraft's pitch
d)
D. To guide control cables
16.
What serves as a backup system for the hydraulic motor in flap systems?
a)
A. Spring tabs
b)
B. Autopilot
c)
C. Electric motor
d)
D. Mechanical linkages
17.
Why is extending flaps for landing important?
a)
A. It reduces fuel consumption
b)
B. It enhances safety
c)
C. It increases speed
d)
D. It simplifies maintenance
18.
How are modern aircraft's flight control systems typically enhanced?
a)
A. By using only mechanical systems
b)
B. By using multiple computers
c)
C. By removing hydraulic systems
d)
D. By simplifying control surfaces
19.
What is the primary function of electric trim in modern aircraft?
a)
A. To control the position of the horizontal stabilizer
b)
B. To activate the autopilot
c)
C. To guide control cables
d)
D. To reduce the aircraft's speed
20.
Why are multiple hydraulic systems used in large aircraft?
a)
A. To reduce weight
b)
B. To ensure redundancy and safety
c)
C. To increase speed
d)
D. To simplify maintenance
100 %
