Ice & Rain - Week 6
Ice & Rain De-Icing Quiz
Test your knowledge on de-icing systems with our comprehensive quiz covering essential topics related to ice and rain impacts on aircraft. This quiz is perfect for aviation enthusiasts, pilots, and maintenance personnel looking to sharpen their understanding of de-ice protocols and safety measures.
- Multiple choice questions
- Focus on de-icing systems and their operations
- Helpful for training and reference
When the de-ice boot system is "OFF" the ___________ valves are ______
Distributing, opened
Regulating, opened
Distributing, closed
regulating, closed
When the de-ice system is switched "ON" and the operation commences, the system is said to be ____ ______
Self- counting
Self-homing
Self-hunting
Self-setting
When the de-ice system is turned "ON" in the ____ mode, what two speeds are available?
Auto, slow or fast
Man, slow or fast
Auto, slow or man
Man, auto or fast
The de-ice boot inflation ________ is very important, ensuring ___________ shedding of the ice build-up
Duration, proprietary
Duration, symmetrical
Sequence, proprietary
Sequence, symmetrical
How does the pilot ensure the lights are working on the ice protection panel?
Test mode
Manual mode
Selection mode
Auto mode
_____ ice is formed by _____ supercooled water droplets
Rime, large
Clear, large
Clear, small
Rime, small
What are some of the "ill effects" of icing?
Loss of lift
Decrease in engine performance
Fluttering flight control surfaces
All the above
A total de-ice cycle can be accomplished in how much time?
36 seconds
1 or 3 minutes
24 seconds
2 or 3 minutes
How are de-ice boots attached to the aircraft?
Bonded or glued
Glued or screwed
Bonded or tattooed
Screwed or tattooed
How does the pilot know what pressure is available for usage in the de-ice boot system?
Gauge
Light
Probe
Gate
Ultimate icing accumulation will leave the aircraft in a state whereby, ____ & ______ are overcome by ____ & ______
Lift & thrust, drag & stalling
Drag & weight, stall & thrust
Drag & weight, lift & thrust
Lift & thrust, drag & weight
When the boot cycle is complete, the system is said to be in a _____ time
Dwell
Seek
Swell
Check
A reduction in performance of a turbine engine from icing may be caused by build-up on the ____ and the ____ cone
IGVs, nose
CVGs, nose
IGVs, tail
CVGs, inlet
When Valve 5 opens on the Dash-8 de-ice system, which engine inlet boot is receiving inflation air?
Left
Right
Neither
Both
What is the total time of inflation during the "auto slow" mode?
24 seconds
1 minute
3 minutes
36 seconds
When icing occurs, what very dangerous condition may result from an unbalanced flight control surface?
Flutter
Vibration
Buffering
Resistance
An unbalanced propeller caused by icing conditions may result in _________ and loss of ______
Vibration, control
Vibration, thrust
Overspeed, thrust
Overspeed, control
De-ice pressure indicators receive input from the ___________
Transducers
Transformers
Switches
Regulators
If left to build-up, _____ ice can from _____
Clear, horns
Rime, hands
Rime, hands
Clear, hands
De-Ice control may be activated in what two modes?
Fast & auto
Slow& fast
Auto & manual
Manual & slow
_____ ice is formed by _____ and _____ water droplets accumulating together on the surface area
Mixed, large, clear
Mixed, large, small
Rime, small, large
Rime, small, glaze
During operation the de-ice system sends cautions & warnings to the __________ unit for display in the _______
Monitoring, cockpit
Annunciator, cockpit
Monitoring, cabin
Annunciator, cabin
A sudden loss of _____________ may be caused by an iced-up _______
Communication, antenna
Warnings, probes
Warnings, speeder
Communication, propeller
In "auto fast" mode, the de-ice boot system will activate (heat on), for how long?
1 minute
3 minutes
24 seconds
36 seconds
Wing leading edges, engine cowls and propellers are target areas for ice or rain __________
Affection
Affiliation
Projection
Protection
How does the pilot know which de-ice boot sections are inflating?
Advisory lights
Witness lights
Warning lights
Night lights
What is the dwell time during "auto slow" ?
144 seconds
1 minute
3 minutes
24 seconds
What are two types of surface ice that aircraft encounter when flying?
Nice & clear
Rime & horn
Rime & clear
Rice & clear
In the ________ manual mode the pilot has to ______ each boot section for inflation
Airframe, select
Airframe, maneuver
Automatic, select
Automatic, maneuver
The Dash 8 aircraft utilizes what type of de-ice system?
Auto/Manual
Hydraulic
Pneumatic
Intermittent
Boot cycle inflation time is ___ seconds per boot in the ____ __ period
Six, heat off
Two, heat on
Six, heat on
Two, heat off
____ ice is formed by the freezing of _____ supercooled water droplets
Clear, small
Rime, large
Clear, large
Rime, small
Cycle and dwell time make up a _____ cycle
Auto
Total
Slow
Fast
The low pressure warning switches are located __________ from the ____ distributing valves
Upstream, heat
Downstream, heat
Downstream, dual
Upstream, dual
A loss of power on a piston engine aircraft may be caused by what component icing up!?
Fuel
Oil
Filter
Carb
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