WorksheetsReviewer Lesson No. 11 BALANCING AND RIGING 11-07 LC
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is the purpose of aircraft rigging?
a)
A. To repaint the control surfaces
b)
B. To test stall systems
c)
C. To adjust flight control movement and alignment
2.
What guides aircraft control cables and helps change their direction?
a)
A. Pulleys
b)
B. Turnbuckles
c)
C. Anchors
3.
What tool is used to check proper cable tension in aircraft?
a)
A. Micrometer
b)
B. Pressure gauge
c)
C. Tensiometer
4.
Which cable construction type is used in trim tabs and engine controls due to its medium flexibility?
a)
A. 7×19
b)
B. 7×7
c)
C. 1×7
5.
What is the first step in the Boeing 777 rigging procedure?
a)
A. Tighten locknuts
b)
B. Prep control wheels
c)
C. Open the access panels
6.
What kind of control cable material resists corrosion and vibration?
a)
A. Brass
b)
B. Carbon steel
c)
C. Nylon-coated CRES
7.
What method allows balancing a control surface without removing it from the aircraft?
a)
A. Balance beam method
b)
B. Calculation method
c)
C. Scale method
8.
Why is the angle of attack sensor heated?
a)
A. To reduce electrical noise
b)
B. To improve communication
c)
C. To prevent ice build-up
9.
What is one safety concern with using depleted uranium in balancing?
a)
A. It may catch fire
b)
B. It can be radioactive
c)
C. It corrodes fast
10.
What is the accuracy of a well-maintained tensiometer?
a)
A. 85%
b)
B. 98%
c)
C. 100%
11.
What prevents control cables from jamming or slipping out of place?
a)
A. Bushings
b)
B. Guards
c)
C. Brackets
12.
What tool is needed in the balance beam method?
a)
A. Digital level
b)
B. Socket wrench
c)
C. Manufacturer-specific balancing tool
13.
What do turnbuckles adjust in a cable system?
a)
A. Hydraulic pressure
b)
B. Cable length and tension
c)
C. Electrical resistance
14.
What must be done after repainting a control surface?
a)
A. Replace all cables
b)
B. Rebalance the surface
c)
C. Change the hinges
15.
What is the standard action after installing new cables in the Boeing 777?
a)
A. Replace the trim tabs
b)
B. Bend the pulleys
c)
C. Rotate the wheel full range 25 times
16.
What cable type is most flexible and often used over pulleys in main flight controls?
a)
A. 1×19
b)
B. 7×7
c)
C. 7×19
17.
What is the purpose of the SP1–SP4 pins in Boeing 777 rigging?
a)
A. To reduce vibration
b)
B. To test pressure sensors
c)
C. To align and secure the control system
18.
How can hidden damage inside a cable be detected?
a)
A. Tap it with a tool
b)
B. Use ultrasound
c)
C. Loosen and bend the cable
19.
Which method requires removing the control surface from the aircraft for balancing?
a)
A. Calculation method
b)
B. Visual method
c)
C. Scale method
20.
What information do stall protection computers use to warn pilots?
a)
A. Battery voltage
b)
B. Flight data and configuration
c)
C. Fuel flow rate
100 %
