Pregunta 1
Pregunta
What condition permits helicopter rotor blades to droop to within 5 feet of the ground while they are turning?
Respuesta
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Droop stop malfunction
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Tail swing malfunction
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Rotor dip malfunction
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Helicopter take-off
Pregunta 2
Pregunta
The noise intensity of jet aircraft is greatest:
Respuesta
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Anywhere within a 25 foot radius of the aircraft
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Anywhere within a 100 foot radius of the aircraft
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In the rear of the engines at an angle of 45 degrees on either side
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In the rear of the engines at an angle of 10 degrees either side
Pregunta 3
Pregunta
When electromagnetic energy is absorbed in the tissues of the body
Respuesta
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Heat is produced
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Genetic damage can result
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Static charges can build up
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Radiation sickness can be induced
Pregunta 4
Pregunta
Which Air Force TO form has an entry identifying the types and quantities of munitions loaded on an aircraft?
Respuesta
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781A Maintenance Discrepancy and Work Document
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781F Aerospace Vehicle Flight Report and Maintenance Document
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781H Aerospace Vehicle Flight Status and Work Document
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781J Aerospace Vehicle Engine Flight Document
Pregunta 5
Pregunta
What is the first step in making sure an aircraft is safe for maintenance?
Respuesta
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Installing safety pins in all stations
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Making sure fire fighting equipment is available
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Making sure aircraft is positioned chocked and grounded
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Checking the aircraft forms for the aircraft status
Pregunta 6
Pregunta
What hazard is of special concern during aircraft brake fires?
Respuesta
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Excessive smoke from burning tires
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Flying debris resulting from tire blowouts
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Flying debris resulting from strut collapse
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Intense light from burning brake components that can harm vision of looked at
Pregunta 7
Pregunta
Bombs can be expected to detonate within how long after being enveloped in flames?
Respuesta
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Instantaneously
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45 seconds to one minute
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Two to four minutes
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Five to ten minutes
Pregunta 8
Pregunta
When missiles are involved in an aircraft fire, approach the fire, if possible, from
Pregunta 9
Pregunta
Hailstones are classified as what type of foreign object damage (FOD)?
Respuesta
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Stones
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Pebbles
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Gravel
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Miscellaneous
Pregunta 10
Pregunta
What is the FOD walk?
Respuesta
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Any walkway for storing debris temporarily
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An inventory of tools before and after each job
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An organized inspection and physical pickup of foreign objects
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A place to store personal effects while working on the flight line
Pregunta 11
Pregunta
Anytime you see magnesium, it will always be
Respuesta
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Primed and top coated due to its low resistance to corrosion
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Heavily lubricated due primarily to its low resistance to corrosion
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Free from lubricants due to its high resistance to corrosion
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Bare due to primarily due to its high resistance to corrosion
Pregunta 12
Pregunta
Aluminum's formation of a tightly adhering oxide film
Respuesta
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Prevents it from being primed and top coated
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Offers reduced resistance under all corrosive conditions
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Provides increased resistance under mild corrosive conditions
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Requires heavy lubrication to prevent further degradation of structural integrity
Pregunta 13
Pregunta
In unprotected, ferrous metal surfaces are
Respuesta
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Highly resistant to corrosion
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Easily corroded if moisture is absent
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Easily corroded if moisture is present
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Easily corroded in the presence of high-temperature exhaust
Pregunta 14
Pregunta
How does corrosion appear on nickel or chrome plated steel surfaces?
Respuesta
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Small spots on the plated surface
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A dull-gray product that can be wiped off
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A bluish green coating on the surface of the product
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A white yellow corrosion product appears on the exposed surfaces
Pregunta 15
Pregunta
The main cause of the corrosion of spot welded metals is the
Respuesta
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Excessive use of lubricant attacking the structure
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Dissimilar metal contact from the binding agents used
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Entrance and entrapment of corrosive agents between the layers of metals
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heat damage to the anti-corrosion coating caused by the welding process
Pregunta 16
Pregunta
Piano hinges are prime spots for corrosion because they are natural traps for dirt, salt, and moisture, and
Respuesta
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Dissimilar metal contact between the steel pin and the aluminum hinge tangs
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Residual oil quite often masks small quantities of water that set up hidden corrosion cells
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Their constant actuation by maintenance personnel results in excessive wear of their finishes
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Their protective finish is very often blistered by heat, blasted away by the high-velocity gases, and abraded by spent shell casings and solid particles from gun and rocket exhausts
Pregunta 17
Pregunta
What corrosion accelerant agent does dust, dirt, acid spills, or waste materials provide?
Respuesta
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Anode
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Cathode
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Exfoliate
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Electrolyte
Pregunta 18
Pregunta
When approaching an aircraft with hot brakes, approach the tire area from
Respuesta
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The side of the tire
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The upwind side of the tire
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The front of back of the tire
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Whichever way best facilitates fire-fighting efforts