ECOR 1044 CD - Mock-Final
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School
Carleton University *
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Course
1044
Subject
Mechanical Engineering
Date
Dec 6, 2023
Type
Pages
17
Uploaded by EarlLightningOkapi17
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
It is most beneficial to you to write this mock midterm UNDER EXAM CONDITIONS
. This means: • Complete the midterm in 1.5 hour(s). • Work on your own
and attempt every question. • Keep your notes and textbook closed. After the time limit, go back over your work with a different colour or on a separate piece of paper and try to do the questions you are unsure of. Record your ideas in the margins to remind yourself of what you were thinking when you take it up at PASS. The purpose of this mock exam is to give you practice answering questions in a timed setting and to help you to gauge which aspects of the course content you know well, and which are in need of further development and review. Use this mock exam as a learning tool
in preparing for the actual exam. Please note: •
Complete the mock exam before
attending the take-up session. During the session you can work with other students to review your work. •
Often, there is not enough time to review the entire exam in the PASS workshop. Decide which questions you most want to review –
the Facilitator may ask students to vote on which questions they want to discuss in detail. •
Facilitators will not distribute an answer key for mock exams
. The Facilitator
’
s role is to help students work together to compare and assess the answers they have. If you are not able to attend the PASS workshop, you can work alone or with others in the class. •
PASS worksheets are designed as a study aid only for use in PASS workshops. Worksheets may contain errors, intentional or otherwise. It is up to the student to verify the information contained within by attending the PASS workshop. Good Luck writing the Mock Exam!! Take-up Session #1:
April 21
st
5:35pm-7:25pm
/ME 3328 Take-up Session #2:
April 22
nd
10:05am-11:55am
/ME 3328 Office Hour:
April 23
rd
10:05am-10:55am
/SA 308
Contact Information: liambitter@cmail.carleton.ca
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
1.
The Raspberry Pi 4 is an example of a ______: a.
Macrocomputer b.
Microcomputer c.
Analog Device d.
Graphics Card 2.
A Raspberry uses what as a power supply? a.
Ethernet b.
USB c.
Micro-HDMI d.
USB-C 3.
Which operating system does a Raspberry Pi use? a.
Linux b.
Windows c.
MacOS d.
Blue Berri 4.
A Raspberry Pi stores its files on a ______. a.
Hard drive b.
Floppy disk c.
Micro SD d.
USB 5.
Some limitations of the Raspberry Pi include: a.
Limited amount of current through GPIO pins b.
Only handle a limited number of inputs and outputs at one time c.
Utilization of digital signals d.
All of the above 6.
Most of the world that we experience is ______: a.
Analog b.
Digital c.
Virtual d.
None of the above
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
7.
Digital signals deal in the realm of _____ or _____ things. a.
Discrete, infinite b.
Continuous, infinite c.
Discrete, finite d.
Continuous, finite 8.
A person talking is an example of a(n) _____ signal. a.
Digital b.
Analog c.
Input d.
Output 9.
A group of four bits is called a _____: a.
Word b.
Byte c.
Chomp d.
Nibble 10.
The decimal number 13 converted into binary is equal to: a.
0001 b.
1101 c.
1011 d.
1111 11.
In an n-bit word we can represent up to _____ states: a.
2
𝑛
b.
log
2
(𝑁𝑢𝑚 + 1)
c.
2
𝑛
− 1
d.
log
2
(𝑁𝑢𝑚 − 1)
12.
What is the minimum number of bits required to represent 23 in binary? a.
6 b.
3 c.
4 d.
5
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COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
13.
Convert 11011 to decimal. a.
27 b.
28 c.
26 d.
25 14.
The fastest circuits are digital. a.
True b.
False 15.
An OR gate outputs 1 when: a.
Both inputs are equal to 1 b.
Neither input is equal to 1 c.
If either input is equal to 1 d.
If exactly one input is equal to 1 16.
The dual of a function is _____: a.
Equal to that function b.
Not equal to that function c.
The complex conjugate of that function d.
Imaginary 17.
The terms ? · ?
̅̅̅̅̅̅
and ?
̅ · ?
̅
are: a.
Equal b.
Duals c.
DeMorgan transforms d.
Not equal 18.
______ signals are ______: a.
Analog, continuous b.
Analog, irrational c.
Digital, continuous d.
Digital, irrational
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
19.
The three steps, in order, of converting from analog to digital signals are: a.
Quantizing, encoding, sampling b.
Sampling, encoding, quantizing c.
Sampling, quantizing, encoding d.
Quantizing, sampling, encoding 20.
The Nyquist rule states: a.
To use a sampling frequency at least 4 times as high as the maximum frequency to avoid aliasing b.
To use a sampling frequency at least 2 times as high as the maximum frequency to avoid aliasing c.
To use a sampling frequency at most ¼ times as high as the maximum frequency to avoid aliasing d.
To use a sampling frequency at most ½ times as high as the maximum frequency to avoid aliasing 21.
A device used to send data from a computer is called a(n) ______: a.
Input device b.
Output device c.
Analog device d.
Overdamped device 22.
Which of the following is not true about soldering: a.
Used to form permanent mechanical and electrical connections between components b.
Process where two or more metal items are joined by melting and then flowing a filler metal into the joint c.
The filler metal has a high melting point d.
Only the solder melts, not the parts that are being soldered 23.
The resistance of an LDR _______ with a decrease in light and _______ with an increase in light a.
Increases, decreases b.
Decreases, increases c.
Increases, increases d.
Decreases, decreases
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
24.
For a negative temperature coefficient (NTC) thermistor, when the temperature ______, resistance _______ and vice versa a.
Decreases, increases b.
Increases, increases c.
Decreases, decreases d.
Increases, deceases 25.
An accelerometer is an example of: a.
Output device b.
Pressure sensor c.
Input device d.
None of the above 26.
An LCD is an example of a.
Output device b.
Temperature sensor c.
Input device d.
None of the above 27.
Servo motors: a.
Rotate freely b.
Have multiple coils organized in groups called “phases”
c.
Are poor selections for high accuracy applications d.
Have its angular position controlled by sensing a coded signal in the form of a PMW wave 28.
Which of the following concerning DeMorgan’s law is not true
a.
An OR gate with inverted inputs is equal to an AND gate with an inverted output b.
An AND gate with an inverted output is equivalent to an OR gate with inverted inputs and output c.
Inverting inputs and outputs of an OR gate makes an AND gate d.
Inverting inputs and outputs of an AND gate makes an OR gate
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COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
29.
Which of the following expressions is true considering DeMorgan’s law:
a.
𝐹
???𝑙−???𝑖??𝑙??
̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅
= 𝐹
b.
𝐹
???𝑙−???𝑖??𝑙??
̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅
≠ 𝐹
c.
𝐹
???𝑙−???𝑖??𝑙??
̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅
= 𝐹
̅
d.
𝐹
???𝑙−???𝑖??𝑙??
̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅
≠ 𝐹
̅
30.
To check the accuracy of a Karnaugh table: a.
Moving one square in any direction of up, down, left, or right, the inputs should only change by a single bit b.
Moving one square in any direction of up, down, left, or right, the inputs should change by two bits c.
Moving diagonally should cause only a one bit change in inputs d.
All inputs are inside the table 31.
Which of the following are methods of labelling Karnaugh maps: a.
Boolean notation b.
Abbreviated labelling c.
Combined labelling d.
All of the above 32.
If there are multiple output groupings in a Karnaugh table, we can combine the individual AND terms using ORs for the output equation. a.
True b.
False 33.
______ systems are designed for relatively ______ applications which have well defined input-
output behaviors a.
Closed-loop, simple b.
Closed-loop, complex c.
Open-loop, simple d.
Open-loop, complex
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
34.
In a closed-loop system: a.
Output is continuously compared with the desired result b.
Output can deviate from desired output due to various disturbances c.
The system can only operate for 30 minutes at a time d.
The process variable remains constant for the entire process 35.
Which of the following is not a benefit of simple open-loop controllers; a.
Simple and economical b.
Stable c.
Easy to maintain d.
Robust against external interference 36.
Which of the following is not a negative aspect of simple open-loop controllers: a.
Unreliable b.
Complicated to build c.
Inaccurate d.
Change due to disturbances cannot be corrected 37.
A common problem with closed-loop controllers is: a.
Inaccurate results b.
Oscillations in output c.
Large steady state error d.
Change due to disturbances cannot be corrected 38.
The process variable of a system is defined as: a.
The desired output of the system b.
The tool used to measure the system output and provide feedback to the system c.
The system parameter that needs to be controlled d.
None of the above
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
39.
The rise time of a system is: a.
The difference between the process variable and the set point b.
The amount of time required for the process variable to settle to within a certain percentage of the final value c.
The final difference between the process variable and the set point d.
The amount of time it takes for the system to go to 10% to 90% of the final value 40.
The derivative constant of a PID controller accounts for the ______ values: a.
Present error b.
Historical error c.
Future error d.
Imaginary error 41.
Which of the following is not true for a large proportional constant: a.
It reduces rise time b.
It eliminates steady state error c.
May introduce oscillations d.
Can cause the system to become unstable 42.
The integral controller: a.
Is the sum of the instantaneous error over time and gives the accumulated offset correction b.
Decreases the overshoot of the system c.
Improves the setting time of the system d.
All of the above 43.
An over-damped responds in a: a.
Controlled but sluggish manner b.
Controlled and quick manner c.
Non ideal manner d.
a and c
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COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
44.
A critically damped system is ______ where overshoot _______ occur: a.
Non ideal, does b.
Ideal, does c.
Non ideal, does not d.
Ideal, does not 45.
Which of the following was the first to encourage people across many fields to experiment across disciplines: a.
Skunkworks b.
Bauhaus c.
Boeing d.
Google 46.
Which of the following created a philosophy for rapid innovation: a.
Skunkworks b.
Bauhaus c.
Boeing d.
Google 47.
The engineering design process is a(n) _______ process: a.
Complicated b.
Long c.
Iterative d.
Linear 48.
Which of the following design steps is the most important, and if done incorrectly will doom the rest of the project: a.
Design requirements b.
Production planning c.
Conceptualization d.
Detailed design
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
49.
A shall statement ______ be implemented and must be ________: a.
Should be, practical b.
Must be, practical c.
Must be, testable d.
Cannot be, feasible 50.
Should statements are: a.
Mandatory b.
Testable c.
Non-mandatory d.
The purpose of the design 51.
Crew mobility in a submarine is an example of a ________ statement: a.
Shall b.
Will c.
Should d.
Might 52.
This design stage is meant to minimize the likelihood of error, manage costs, assess risks, and evaluate the potential success of the intended project: a.
Feasibility b.
Conceptual design c.
Design requirements d.
Production planning 53.
________ costs are typically investments in things like factory tooling or purchasing of the required machinery: a.
Upfront b.
Operating c.
Software d.
Initial
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
54.
An example of an operating cost is: a.
Electricity b.
CAD software c.
Required machinery d.
Snacks 55.
Surface mining consist of: a.
Using GPS to find easily accessible ore deposits b.
Reaching buried ore deposits c.
Digging tunnels or shafts up to 5km from the surface d.
Removing surface vegetation, dirt, and bedrock to reach buried ore deposits 56.
Some negative impacts of mining include: a.
Sinkholes b.
Loss of biodiversity c.
Contamination of soil d.
All of the above 57.
______ is the purest version of silicon that humans can refine a.
Silica sand b.
Metallurgic c.
Electronic grade d.
Pure grade 58.
_______ maintenance is applied when the equipment has failed and thus broken down: a.
Preventive b.
Corrective c.
Retroactive d.
Immediate 59.
This form of maintenance is used when downtime is unacceptable to the user: a.
Preventive b.
Corrective c.
Retroactive d.
Immediate
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COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
60.
A vehicle check up is an example of: a.
Preventive b.
Corrective c.
Retroactive d.
Immediate 61.
For which type of obsolescence are replacement parts no longer available: a.
Functional b.
Aesthetic c.
Legal d.
Technical 62.
For functional obsolescence: a.
The owner’s needs have changed
b.
The product has reached the end of its technological life c.
The functionality can now be achieved in a more economic manner d.
Legislation resulting in prohibitive use of certain products 63.
Absolute safety is neither _____ or ______: a.
Impossible, expensive b.
Attainable, affordable c.
Attainable, expensive d.
Impossible, affordable 64.
Products that are not safe can incur secondary costs: a.
True b.
False 65.
A seatbelt not properly fastening is an example of a: a.
Hazard b.
Incident c.
Accident d.
Mishap
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
66.
Events that cause death, injury, environmental or material damage: a.
Hazard b.
Incident c.
Accident d.
None of the above 67.
Which of the following is a formula for risk a.
Risk = Penalty/Likelihood b.
Risk = Likelihood/Penalty c.
Risk = Penalty x Likelihood d.
Risk = 0.5 x Penalty x Likelihood 68.
A fail operational approach is: a.
Usually accomplished through redundancy b.
Usually accomplished through a mechanical backup c.
Uses a reduced capability system as a “limp home” to a safe state
d.
All of the above 69.
Which design philosophy retires products at the end of their expected life: a.
Safe-life b.
Fail-safe c.
Damage-tolerance d.
Preventative 70.
Redundancy, intentional weak links, and physical laws are all techniques for _______ design: a.
Safe-life b.
Fail-safe c.
Damage-tolerance d.
Preventative 71.
GPS is accurate to less than _____ meters a.
5 b.
7 c.
10 d.
2
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
72.
The Doppler effect is: a.
The time it takes for a GPS signal to reach Earth b.
The slowing of time with increasing mass of an object c.
The apparent change in signal frequency that occurs when two bodies are in relative motion d.
What occurs when the Nyquist rule is ignored 73.
The minimum number of satellites required for GPS operation is: a.
1 b.
4 c.
6 d.
10 74.
What are the three segments that make up the GPS system a.
Ground, control user b.
Space, control, user c.
Satellite, control, user d.
Mobile, control, user 75.
How many orbital planes are there: a.
4 b.
5 c.
6 d.
7 76.
Which of the following is not a contributor to GPS error in position: a.
Satellite clock error b.
Receiver clock error c.
Ionospheric delay d.
None of the above
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COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
77.
Inertial Measurement Unit (IMU) consists of: a.
3 accelerometers, 3 gyroscopes b.
2 accelerometers, 4 gyroscopes c.
3 accelerometers, 1 gyroscope d.
1 accelerometer, 3 gyroscopes 78.
The ideal Op-Amp has ______ open-loop gain, ______ input resistance, and ______ output resistance: a.
Zero, zero, infinite b.
Zero, infinite, infinite c.
Infinite, infinite, zero d.
Infinite, infinite, infinite 79.
What is the maximum representable number for a 5-bit word: a.
15 b.
31 c.
27 d.
42 80.
Simplify ?? + ?
: a.
?(? + 1)
b.
(? + ?) · ?
c.
?
d.
?
81.
What is the dual of (?
̅
+ ?)(? + ?)(? + ?)
: a.
? + ??
b.
???
c.
? + ??
d.
(?
̅
+ ?)(? + ?)(? + ?)
̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅̅
COURSE: ECOR 1044 FACILITATOR NAME: Liam Bitter MOCK EXAM (FOR PRACTICE ONLY)
82.
Find the quantization step size for a 0-30 V range using 4 bits: a.
1.25 V/state b.
1.875 V/state c.
0.5 V/state d.
0.75 V/state 83.
If I want to convert a 400 Hz analog signal to a digital signal, what is the minimum sampling frequency required to avoid aliasing: a.
400 Hz b.
600 Hz c.
200 Hz d.
800 Hz 84.
Find the equation for the DeMorgan’s conversion of ?? + ??
̅
(hint –
use graphical method): a.
??
̅̅̅̅
· ??
̅
̅̅̅̅
̅̅̅̅̅̅̅̅̅̅
b.
??
̅̅̅̅
+ ??
̅
̅̅̅̅
c.
?? + ??
̅
̅̅̅̅̅̅̅̅̅̅̅
d.
None of the above 85.
Determine the simplified Boolean expression for the following Karnaugh map: a.
?? + ??
b.
?
̅
? · ??
c.
?
̅
?
̅
+ ??
d.
?
̅
?
̅
· ??
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On the left side view of this print, there is a horizontal, straight-line segment that does not connect to other lines. In basic terms, explain why. (Multiple Choice)A: It represents a rounded edge and is there to help clarify the view, even though no sharp edge exists.B: It represents a straight edge that can't be seen in other views.C: It's a drafting mistake and should not be there.D: It represents a locating edge on the part and must be there to establish a primary plane for the inspection setup.
This print does not show a cutting-plane line. Is this acceptable practice or an error? (Multiple Choice)A: AcceptableB: Error
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