Exam (elaborations)
Oefententamen
- Course
- Institution
OEFENTENTAMEN DESIGN FOR RAMS/LCC
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Domein TechniekEXAM
COVER
SHEET
please
read
carefully
before
starting
your
exam
STUDENT
INFORMATION
STUDENT
NAME
STUDENT
ID
STARTING
YEAR
OF
DEGREE
EXAM
INFORMATION
BACHELOR’S
PROGRAM
PROGRAM
TYPE
Full-‐time
COURSE
CATALOG
NO.
/
2314RAMSTS
SIS
EXAM
CODE
COURSE
DESCRIPTION
Design
for
RAMS-‐LCC
EXAM
TYPE
Test
exam
LECTURER
A.
Koopman
AUDITOR
N/A
NO.
of
ASSIGNMENTS
8
open
questions
(4
training
questions
and
guidance
on
other
4
questions)
NO.
of
PAGES
8
(including
semi-‐logarithmic
paper
and
T-‐table
appendices)
(incl.
cover
sheet)
PAPER
TYPE
Lined
paper
and
scrap
paper
GRADE
CALCULATION
All
questions
together
are
worth
100
points.
Final
grade
=
{(points
earned/100)*9}
+
1
TYPE
COMMENTS
Calculator
YES
Graphing
Calculator
YES
AUTHORIZED
RESOURCES
Notes
NO
Book
NO
Formulas
YES
Included
in
this
exam.
Hand
in
exam
questions?
YES
All
exams
are
property
of
the
HvA
–
unauthorised
distribution
is
prohibited
PARTICULARS
none
EXAM
DATE
N/A
EXAM
DURATION
100
minutes
EXAM
TIME
N/A
CONTACT
O&S
Room
A5.02
+31
6
2115
6283
COMMENTS
Rules
on
dyslexia
(following
approval
of
Board
of
Examinations):
50
minutes
exam
=
15
minute
extension
≥
100
minutes
exam
=
25
minute
extension
1
, Domein Techniek
ASSIGNMENT
1
[15
points]
Component
testing
produced
the
following
times
to
failure
(TTF)
(times
are
presented
in
hours
of
operation):
219,
1272,
5628,
8256,
14110.
a. Determine
which
failure
probability
distribution
(Poisson
or
Normal)
is
applicable
for
this
sample
and
explain
why.
[5
points]
POISSON
If
a
Poisson
distribution
is
assumed
in
(a),
refer
to
the
semi-‐logarithmic
paper
in
the
distribution
appendix
and
answer
the
following
two
questions:
b. Determine
the
failure
rate
(λ)
[5
points]
c. Calculate
the
MTTF
for
this
sample
[5
points]
NORMAL
If
a
Normal
distribution
is
assumed
in
(a),
refer
to
the
T-‐table
in
the
appendix
and
distribution
answer
the
following
two
questions:
b. Calculate
the
MTTF
for
this
sample
[5
points]
c. Calculate
the
95%
certainty
interval
[5
points]
Relevant
reference
and
learning
materials:
-‐ Lecture
1.1
-‐ Lecture
1.2
-‐ Lecture
2.1
-‐ Lecture
2.2
IMPORTANT:
Know
how
to
work
with
your
graphing
calculator
in
order
to
be
able
to
calculate
the
standard
deviations
for
normal
distributed
times
to
failure
and
know
how
to
use
the
semi-‐logarithmic
paper
in
order
to
be
able
to
calculate
the
failure
rate
for
Poisson
distributed
times
to
failure.
ASSIGNMENT
2
[10
points]
Subject
is
the
roll
control
of
the
A320
aircraft.
Either
the
ailerons
or
the
roll
spoilers
control
the
rolling
motion
of
the
aircraft.
The
ailerons
as
well
as
the
roll
spoilers
use
power
from
three
hydraulic
systems
(yellow,
green
and
blue).
The
green
and
yellow
hydraulic
pumps
are
powered
by
respectively
engine
#1
and
engine
#2.
A
power
transfer
unit
(PTU)
enables
engine
#1
to
power
the
yellow
hydraulic
pump
as
well,
as
well
as
that
it
enables
engine
#2
to
power
the
green
hydraulic
pump.
The
reliability
of
the
PTU
is
assumed
to
be
100%
reliable
for
the
purpose
of
this
assignment.
The
blue
hydraulic
pump
is
driven
by
its
own
electric
generator.
In
case
of
a
complete
engine
and
electrical
power
failure,
the
mechanical
rudder
control
can
be
used
which
results
in
a
rolling
motion
due
to
aerodynamic
side-‐effects.
Draw
the
reliability
block
diagram
(RBD)
of
the
A320
roll
control
system.
Relevant
reference
and
learning
materials:
-‐ Lecture
3.1
2
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