First Quiz Flashcards
What material hazard is given by a red square?
Fire hazard
What are important things to remember when dealing with machine tools?
Always use common sense
Always wear eye protection
Know how to use a tool before using it
When drilling, always clamp down the piece being drilled
When grinding, only grind ferrous material
When welding, have proper ventilation, don’t weld galvanized metals
What hazard label is a blue square?
Health hazard
What hazard accompanies a yellow square?
Reactivity
What hazard is accompanied by a white square?
A specific hazard
What does a black high pressure bottle contain?
Nitrogen to inflate struts and tires
What high pressure bottle is green?
Oxygen, aviation breathing, gas welding.
What high pressure bottle is brown?
Acetylene, for gas welding or argon bromine for tig welding
What can the pressure of a high pressure bottle be up to?
3000 psi
What is one precaution to consider when working with pure oxygen?
Everything must be free from grease.
Why should you not put lots of extension cords together?
It could cause them to overheat.
What are some uses of air lines?
Runs tools, spray guns, to inflate low pressure tires
Why should you exercise caution when dealing with airlines?
You could blow a bubble into your skin into the blood stream. Which then follows the blood stream to your heart and decompresses.
What is another thing you must avoid doing with air lines?
Using shop air to spin bearings
When disconnecting an air hose, what should be disconnected first?
The last lengths
How should you prepare for tying down aircraft?
Cowl and control plugs should be installed, cover the pitot tube. Install gust lodes?
What is the proper procedure for tying down airplanes?
Land plane, use either rope or chain.
What are the common rope materials for tying down aircraft?
Cotton, Manila, hemp, nylon, polypropylene
What is bad about using cotton as tie down material?
It rots quickly.
What is bad about using Manila as a tie down rope?
It shrinks when wet
Is hemp okay to use as tie down material?
It’s ok, but it rots eventually.
Is nylon good to use for tie down material?
Yes. But it becomes brittle.
What is the best material to use for tying down aircraft?
Polypropylene, it is strong and remains flexible.
What are requirements for a fire?
Fuel, oxygen, heat.
What are the classes of fire?
Class A, B, C, D.
What is a class A fire?
A fire involving ordinary combustibles, paper, wood, cloth etc.
What is a class B fire?
Flammable liquids, gasoline, paints, thinners, etc.
What is a class C fire?
Energized electrical circuits.
What is a class d fire?
Flammable metals, magnesium, titanium, sodium etc
What class fire should a water extinguisher be used on?
Class A
What class fires should Carbon Dioxide extinguisher be used on?
Class B and C fires only
What class fires should Dry Powder extinguishers be user on?
Class B and C fires, best on Class D
What class fires is Halogenated Hydrocarbon Extinguisher best used for?
Works on all classes of fires, most effective on class B and C
What class extinguisher has an A or green triangle?
Class A
What class extinguisher has a B and a red square?
Class B
What class extinguisher is marked by a C and a clue circle?
A class C fire
What class fire extinguisher is marked by D and a brown star?
Class D
What precautions must you take to stay safe on the flight line?
Use hearing protection, be aware of
the danger of FoD.
What should you do in extreme wind conditions when tying down a plane?
You must try and break up the smooth airflow over the wings, this can be done by using batten boards, facing the aircraft into the wind, and depending on the aircraft, angling the elevators.
What are two turbine start problems?
Hot start
Hung start
What is a hot start?
Too much fuel for airflow, over temperature of turbine.
What is a hung start?
It is when the starter disengages too early, and the compressor does not accelerate enough to start.
What is proper procedure for taxiing?
Be sure you are qualified and know proper procedures.
Be sure the area is clear.
In close proximity of a building, or other aircraft, use a signal man.
The signal man should ensure he can see the pilot’s eyes.
Know hand signals.
In a controlled airport, you must have clearance from ground control.
If no radio is available, you must use light signals.
Turbine engines…..?
Power
Crank
Ignition
Fuel
What do you do in case of an induction fire upon engine start?
- mixture- lean or idle cutoff
- throttle- full open
- continue cranking.
One the engine starts look immediately for _________.
Oil pressure
Where should you never do a run up?
On gravel or loose dirt.
What two fueling procedures are there?
Over the wing
Single point
What is a disadvantage associated with single point fueling?
It is easy to over pressurize the tanks.
What is an advantage of single point fueling?
It is quicker, and there is less chance of contamination.
What kind of aircraft use single point fueling?
Larger aircraft.
How can you tell if there is a high level of surfactants in fuel?
There will be a brown sudsy substance in the fuel.
What causes surfactants?
Surfectants are a normal byproduct of the refining process, but excess levels can cause problems for the filters as well as burn problems for the fuel.
What is misfueling?
Misfueling can either be fueling with the wrong type of fuel, or the wrong grade or designation.
When jacking an aircraft, how should it be done?
Smoothly and evenly
What do you do to secure the jacks once the aircraft is raised?
Use a friction collar or locking tab to hold the jacks up.
What is hoisting?
Jacking from above.
What three colour wires are in an extension cord?
Black, white, green.
Where is the information for proper fuel given?
The TCDS, POH, or filler port.
What are means of distinguishing between fuels?
Look, smell and feel.
What is a liquid’s volatility based on?
It’s vapor pressure.
80/87 octane-
Red, low compression engines.
100/130-
Green, high compression, high lead.
100/100LL octane-
Blue, high compression, low lead.
115/145 octane-
Purple, very high compression
What is turbine fuel?
Highly refined kerosene.
How is turbine fuel broken down?
Into designations based on blend.
What is static electricity?
The momentary build up of electrons giving a charge (potential).
How can you reduce the chance of a fueling fire?
Bond the aircraft to the fuel truck, and then to the earth.
What are electric auxiliary power units?
GPU, APU, or battery cart.
What is the purpose of electricity auxiliary servicing equipment?
To relieve the battery for extended ground servicing.
What is a hydraulic power unit also know as?
A mule, it provides hydraulic pressure to the engine when it is not running.
What are the mule attachments in the form?
Quick disconnects.
What are oxygen systems usually used for?
Emergency breathing.
What must be put on an oxygen bottle for breathing?
Aviators breathing oxygen.
How are oxygen bottles serviced?
Usually from a cart containing multiple high pressure bottles.
What is the proper method for filling high pressure bottles?
Service the lowest pressure bottle first.
What is this “ servicing the lowest bottle first” method called?
The cascade method.
When dealing with oxygen, what is an important precaution?
Make sure everything is free of grease.
How does water enter fuel?
Carelessness, condensation, or leakage.
What is the best way to detect water in avgas?
The white bucket test.
What type of test is capable of detecting solid contaminants?
Filter type test, it is capable of detecting solid contaminants down to .8 microns.
What is an anti bacterial?
Biobor.
When adding anti microbial to fuel separately, when must it be done?
During the fueling process.
When fueling over the wing, what must be done?
Bond the truck, aircraft and ground.
What signal that looks like throat cutting?
Cut engines
What signal means emergency stop?
Crossing your arms over the top of the head
What signal has your palms facing you and then beckoning forward with your elbows bent?
Come ahead
What signal means stop?
Arms raised, two palms outward.
What signal means start engines?
Making your right hand into the shape of a gun, and swinging it in a circle while holding your left arm in the arm
What signal means pull chocks?
Palms facing outward, thumbs jutted, hands moving at waist and then moving outwards
What means insert chocks?
Palms towards you, arms hanging in front of you, pushing your thumbs towards each other
What means slow down
Palms outstretched towards yourself sweeping high and low
What means all clear?
Thumbs up
What means left turn?
Your left arm sweeping towards your face
What means right turn?
Your right arm sweeping towards your face.
What is to be used during night operation?
Flashlight
What means engage rotor?
Gun waving around the top of your head, left arm raised above your head
What means stop rotor?
Arms fully outstretched to your sides, then crossed across your chest.
What means stop?
Arms above your head.
