4EASA HUMAN FACTOR questions with solutions

4 EASA HUMAN FACTOR




. Whose responsibility is it that an engineer remains current on new
technology and procedures?
a) The engineer's
b)The organization's
c) The CAA's - answersa) The engineer's

5. When inspecting an airframe structure for small cracks, to avoid a
crack being missed you should
a) constantly move the eye across and around the area of interest to
avoid the crack falling into the eye's natural blind spot
b)hold the vision stationary for several seconds on each area to allow
the eye to focus correctly.
c) not use a mirror as mirrors absorb and refract light and may
obscure a crack - answersa) constantly move the eye across and around the area of
interest to
avoid the crack falling into the eye's natural blind spot

6. A good practice for a shift handover is for shifts to be specifically
rostered so there is an overlap of
a) 5 - 10 minutes
b)20 - 30 minutes
c) 2 - 3 hours - answersb)20 - 30 minutes

7. Ultra short term memory has a duration of about
a) 2 seconds
b)10 to 20 seconds
c) 80 - 100 milliseconds - answersa) 2 seconds

8. What type of lens is used to correct long sightedness?
a) Convex
b)Concave
c) Bi-focal - answersa) Convex