Questions With All Correct Answers
2025 Latest Update
Which type of corrosion is most commonly found on aluminum and magnesium alloys?
CORRECT ANSWERS Pitting Corrosion
when a metal corrodes, the metal atoms lose which of the following and become
positively charged metal ions in the electrolyte? CORRECT ANSWERS Electrons
Corrosion is what type of process of metals returning to their normal state? CORRECT
ANSWERS Natrual
Which of the following is an electrolyte? CORRECT ANSWERS Salt water
Natural conditions which affect the corrosion process are moisture, temperature, ozone,
sand, dust, solar radiation,, insects, birds, microorganisms, and which of the following?
CORRECT ANSWERS Salt Atmosphere
Which of the following corrosion types is best represented by the photo? CORRECT
ANSWERS Exfoliation Corrosion
Positively or negatively charged atoms or groups of atoms bound together and are
known as which of the following? CORRECT ANSWERS ions
The __________ of galvanic corrosion also depends on the _________ of the parts in
contact.? CORRECT ANSWERS Rate, Size
Which of the following Corrosion Types is best represented by the Photo? CORRECT
ANSWERS Intergranular corrosion
Which of the following must exist for corrosion to take place? CORRECT ANSWERS A
Metal must be present
Which type of corrosion would you assume has occurred, if the surface grains are lifted
up by the force of expanding corrosion products occurring at the grain boundaries on
aluminum and magnesium parts? CORRECT ANSWERS Exfoliation Corrosion
Corrosion is the electrochemical _________ of a metal as a result of its chemical
reaction with the surrounding environment. CORRECT ANSWERS Deterioration
Which of the following are the four most serious, destructive elements of a desert
climate? CORRECT ANSWERS 1)High Humidity
, 2)Ultraviolet Radiation
3)High daytime temperature
4)Fine Dust
When two Dissimilar metals make electrical contact in the presence of a/an _________,
the rate at which corrosion occurs depends on the difference in their corrosive
tendencies. CORRECT ANSWERS Electrolyte
The First step when operating the portable 15 gallon foam generating cleaning unit is to
do which of the following? CORRECT ANSWERS Release the Pressure
Which of the following is a part of a disciplined preventive maintenance program?
CORRECT ANSWERS Keeping low-point drains open
Which of the following should be used prior to lubricating any components or parts to
remove any foreign matter from joints, fittings, and bearing surfaces. CORRECT
ANSWERS Non-Woven Cleaning Cloth
Which type of lubricant prevents galvanic corrosion coupling on close tolerance fittings
and reduces fretting? CORRECT ANSWERS MIL-L-46010
The prevention and control of corrosion on aircraft is whose responsibility. CORRECT
ANSWERS Command
The proper pressure for the air regulator when operation the portable 15-gallon foam
Generating cleaning unit is between ______ psi. CORRECT ANSWERS 30-70
Which of the following us used to protect metal aircraft parts and components by
preventing corrosive materials from contacting and corroding bare metal surfaces?
CORRECT ANSWERS Corrosive preventative compound
Which of the following is a water displacing corrosion preventive compound which forms
a clear, dry, flexible film? CORRECT ANSWERS MIL-C-85054
Which of the following is the first step in the post cleaning procedures? CORRECT
ANSWERS Remove Covers and Masking tape
Which of the following can be used to apply lubricants? CORRECT ANSWERS Grease
gun, lever type
High alkaline cleaning compounds, with a pH greater than _______, are not authorized
for navy aircraft. CORRECT ANSWERS 10
When applying lubricants through pressure type fittings with a grease gun, clean grease
fitting with which of the following and a cleaning cloth before applying lubricant?
CORRECT ANSWERS MIL-C-81309, Type 1