AER817 Quiz 1_OCR
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AER 817: Systems Engineering
3.35
Date: Oct. 17, 2022
Marks: 10
Student Name:
Ticz111 2h U Student ID:
500
7/80
section No.
1. [Marks 3-1/2] Answer the following questions:
i) [Marks 1-1/2] State whether the following sentences regarding System Engineering are True
or False:
T a) System Engineering guides the engineering of a system through its life-cycle.
AP
b) System Engineers require a broad view of a specific discipline.
T c) Risk Management is performed by the system engineer and project manager.
/
F d) The first stage of the life-cycle is Preliminary Analysis.
/ e) The trade study process allows one to select the optimum solution based upon the given
criteria/constraints.
ii) [Mark 1/4] Which task is NOT something that a system engineer would perform?
Choose one
a)
Trade-Off Analysis of a new space transportation system
b)
Verify a requirement that imposes a solar radiation constraint
c)
Design a capacitor to meet the demand of the HI that it will be installed in
d)
Attend a risk working group meeting
A iii) [Mark 1/4] Reviews are known as allowing a project to progress across a life cycle
— Choose one
a) Barriers
b) Gates
c) Pass-through
d) None of the above
| ) iv) [Mark 1/4] Which is not a system engineering function?
• Choose one
a) Disposal
b) Verification
c) Support
d) Planning
I ) v)[Mark 1/4] The WBS (Work Breakdown Structure) does all of the following except: Choose
one
a)
Defines all of the tasks to be accomplished during the project in terms of a hierarchical
structure
b)
Provides a method for cost control and estimating
c)
Links program objectives and activities with resources
d)
Defines the location of facilities to perform the associated tasks
I
2.
vi) [Mark 1/4] Detailed designs are addressed by a
a) Preliminary Design Review
b) Critical Design Review
c) Both A. and B
d) None of the above
vii) [Mark 1/4] The system engineering process usually begins with the
a) detailed view
b) domain view
c) element view
d) world view
viii)
[Mark 1/4] A new microprocessor "Ml" will hit the market while the next-generation
microprocessor "M2" is currently being prototyped. State the Technological Readiness Levels
(TRLs) of Ml and M2.
a) TRL (Ml >9, TRL (M2)=4
b) TRL (Ml)=9, TRL (M2)=3
c) TRL (Ml)=8, TRL (M2)=2
d) TRL( M1)=7, TRL (M2)=l
ix)
[Mark 1/4] A Ryerson pico-satellite RyePicoSat-1 comprises of the following subsystems:
Structure
Subsystem,
ADCS
Subsystem,
Payload
Subsystem,
C&DH
Subsystem,
Communication
Subsystem,
and
Power
Subsystem.
The
Technological
Readiness
Levels
(TRLs)of these subsystems are as follows:
Structure Subsystem: TRL 9
ADCS Subsystem: TRL 4
Payload Subsystem: TRL 3
C&DH Subsystem: TRL 5
Communication Subsystem: TRL 8
Power Subsystem: TRL 9
What will be the TRL of the RyePicoSat-1:
2.
[Mark 1/2] Match definitions with key systems engineering terms, using the word bank below.
WORD BANK:
a) functional analysis
d) mission scope
g) analytical hierarchy process
j) descope
rn) allocated baseline
p) cost benefit analysis
s) design parameter
b) spacecraft bus
e) heritage
h)need
k) systems engineering
n) goal
q) Taguchi method
t) six sigma
c) margin
f) objective
i) figures of merit
1) payload
o) product baseline
r) contingency
u) concept of operations
/ Explains why the project is developing this system from the stakeholders' point of view.
A robotic vehicle that provides house-keeping functions in the form of subsystems, such as
power and temperature control.
3. [Mark 1/2] How many levels of decomposition (depth of drawing tree) do we need to describe the car
shown in Fig. 1 ?
Image Source:
https://teslamotorsclub.com/tmc/threads/how-many-moving-parts-in-a-model-s.29692/page-2
Fig. 1. Decomposition of a Car
<Select one of the choices below>
a)
1
b) 2
c) 3
d) 4
e) 5
f)
6
h) This question makes no sense to me
3
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4 ,4. [Mark 1/4] Before rushing to propose or design something we need to spend considerable
amount of time engaging with stakeholders, Why?
<Select only one>
a)
Because they have the funds
b)
Because we need to understand their needs first
c)
Who is my competition?
d)
Need to understand regulations and laws
e) Other
Ds [Mark 1/4] Which step should be conducted in the stakeholder needs and requirements
definition process?<Select only one>
a) Document the business case.
b) Perform analysis to develop the operational concept.
c) Use the Markov method to identify the key stakeholders.
d) Document only the needs from the highest equity stakeholders.
6.
[Mark I ] For the systems engineering Vee Diagram below:
Describe the intent of the arrow on the left, the arrow on the right, and the horizontal
arrow
D € comp aS It lon
Definitly
Verification
In-ve9
^-tl on
4
7.
[Mark 1/2 each; Total Marks: 2-1/2] For the following example requirements: state whether
they are valid requirements; if no, explain the reason and rewrite them correctly as valid
requirements:
a)
The rover must be compatible with the lunar communications network.
b)
The spacecraft contractor shall precisely land a payload of science instruments on the
surface of Mars while taking atmospheric measurements during the descent phase.
c)
The ABC Aircraft 505 shall never crash.
d)
The ABC Aircraft 505 will carry 2000 lbs of fuel.
e)
The ABC Aircraft 505 shall carry 200 passengers.
To uSe '
11‘Jyi’
with the kraluroy
Vone
o Poy load
0f
The Spoc qof t £teii tokirg
atqnocpheic
meouren ig duii/c
(c ) No,7 No negative wods
He
ABC oiGoft 505
so/l
^y
osely
0l) Mo/
will
IS lot WQuvien
He ABC Ai
10s(
shall <ony Jao be
1e
8.
[Marks 1-1/2] Answer the following questions:
i) [Mark 1/2] Write the 4 letter code of Myers-Briggs type indication used for selecting members
of a team.
—E
ii) [Mark 1/2] How is a performance requirement different from a functional requirement?
Pe(foi(honce
reQlirement
Stote
L
how well
the Paluct
RrforM
furctionoa geQuiement
is v lebuje the product
hate
to do
iii) [Mark 1/2] Explain the differences between Preliminary Design Review (PDR) and Critical
Design Review (CDR).
VDP
16
move
\Ai\olef
Vagye
CDR i
4
?
mole
oetoied
PDR is
ensure
neu
ore
motureonotgh
Co be Atoqveteol into o / o ।
V
& Product SubJystem to form leg
CAlloccke buselve
CbB if &
System meet its Stated
Performomee
WMs
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