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WorksheetsAdvanced Engineering Sciences Review
Total questions: 84
Worksheet time: 42mins
If resistance (R) is doubled, how should voltage (V) be changed to keep the same current (I) through the light bulb? (Ohm's Law is V = IR.)
no change
increase by a factor of 2
increase by a factor of radical 2
decreased by a factor of 2
What type of gearing system consists of three or more gears?
compound
simple
ratio
inverse
As part of reverse engineering a competitor's cell phone, an engineer downloaded the software and hacked the source code. If his company uses the source code for its "new" product, what is being violated?
ethical responsibilities
employment laws
product codes
trademark laws
Which function is a responsibility of a software engineer?
To solve a problem using machines or mechanisms
To apply an understanding of structural forces to designing buildings
To design a product or system using computer language(s)
To analyze a product for environmental impact
Which category BEST describes who should be involved in the redesign of a car?
Stakeholders
Engineering Department
Supervisors and managers
External customers
Which activity is NOT an ethical behavior for an engineer?
Paying people to gain preference for a contract
Working with competitors on the same contract
Designing a building for a relative
Consulting with customers about their needs
An engineer is measuring the accuracy of a cutting machine. Which method is appropriate?
Make a cut on 10 different kinds of parts and measure the depth of each cut.
Weigh 10 parts before and after they are cut to determine depth of the cut.
Make a cut on 10 of the same parts and measure the depth of each cut.
Measure the size and shape of different bits used to make cuts.
What is the act of repeating a process to reach a desired goal or target?
Scientific method
Systems thinking
Iteration
Prototyping
Which activity reflects an innovation?
Developing a myoelectric prosthesis from a traditional hook
Collecting data on an Ipod already out in the market
Demonstrating uses for dyes in CAT scans
Advertising the usefulness of levers in a voting booth
Which point is the MOST important to make in an engineering product proposal to corporate management?
How the company will profit
How the product will be marketed
How the prototype will be created
How the product will benefit the customer
Which x-y grouping is the MOST PRECISE?
(3,2), (3,3), (2,2), (2,4)
(3,2), (3,3), (2,3), (2,5)
(4,4), (4,4), (4,5), (4,4)
(4,1), (4,2), (4,3), (4,4)
Which type of test is used to measure the lifetime of a product?
Reliability
Quality performance
Cost estimation
Feasibility
Reliability
Quality Performance
Cost Estimation
Feasibility
What is the FIRST step of troubleshooting if the Phoenix robot is NOT working?
Test the robot
Brainstorm creative solutions
Identify the problem
Determine the cost
What is the resistance of the circuit in the diagram if the current is 0.5 A and the voltage is 12V ? Ohm's Law V = IR
0 Ohms
24 Ohms
12 Ohms
4 Ohms
A crane lifts two 500-pound loads of roofing materials to the top of a building (one 500-pound load in 60 seconds and a second 500-pound load in 90 seconds). Which statement BEST compares the work and power expended by the crane lifting the two loads?
The crane does more work and expends less power for the first lift.
The crane does equal work and expends equal power for both lifts.
The crane does less work and expends more power for the second lift.
The crane does the same work for each lift, but expends more power for the first lift.
What is the content of the second law of thermodynamics?
Heat and energy
Nonlinear chemical reactions
Fluctuations and density
Motion and force
Who is responsible for writing the program in test driven design and development?
Software engineer
Automation auditor
Information systems manager
Quality specialist
An engineer is designing a house to be built in Flagstaff. Which feature would maximize BOTH passive solar heating and the amount of natural light inside the house?
Solar-electric panels on the roof
A large number of south-facing windows
A high gable roof
Light-colored vinyl siding
Which device is used to find the wave length of an AC waveform?
Oscilloscope
Logic analyzer
IC tester
Voltmeter
Ohm's law states that voltage equals current times resistance (V = IR). If a circuit has a 9 volt power source and a 60 ohm resistor, what is the circuit amperage?
0.15 amps
0.12 amps
6.67 amps
540 amps
0.15 Amps
0.12 Amps
6.67 Amps
540 Amps
Which two areas of engineering would MOST LIKELY work with buildings and roadways systems?
Chemical and Agricultural
Civil and Architectural
Construction and Aerospace
Electrical and Computer
Which innovation led to the development of pocket-size calculators?
Function keys
Small microprossors
Direct current
Graphics software
When a product does not perform to specification, what process does an engineer use to find the problem?
Brainstorming
Collaborating
Defining
Troubleshooting
A motor produces a sound frequency of 400 Hz when running at a velocity of 1200 RPM and a frequency of 200 Hz at a velocity of 800 RPM. Which motor speed results in the longest wavelength? (Refer to the formula below.)
wavelength (lambda) = λ = v / f
1200 RPM
800 RPM
Which grouping is the MOST ACCURATE to the target point (3,2)?
(1,2), (1,2), (1,2), (2,2)
(1,1), (2,2), (3,3), (4,4)
(3,1), (3,3), (2,2), (4,2)
(3,4), (3,3), (2,3), (2,5)
During World War II, signal lights were used to send Morse code messages between ships. A sailor would open and close a shutter over a light source to send "dots" and "dashes" of light to another ship. The sailor performed which component function of a communication system?
Encoder
Decoder
Destination
Receiver
Message signs and arrow boards are used to direct traffic and safeguard workers on roads and highways. These devices were originally run by diesel-powered generators. Which source provides a MORE practical way to power these mobile devices?
Geothermal system
Natural gas
Solar conversion system
Water power
Which step is NOT a basic part of the scientific process?
Stating the problem
Recording and analyzing data
Forming a hypothesis
Implementing the solutions
What is one type of safety technology that engineers are applying to make "crashless" cars?
ESC (enhanced stability control)
VACS (voice activated control system)
GPS (global positioning system)
ECS (Emissions Control System)
High winds can cause windows and walls of a house to blow out. According to Bernoulli's principle, what causes this to happen?
Convection currents inside the house
Electrostatic charges in the air around the house
Centrifugal airflow around the house
Lower air pressure outside than the air inside the house
What tool is used to secure a part while drilling?
Pliers
Vise or Clamp
Channelock
Adjusted wrench
What is multiplied when a hydraulic system designed to lift heavy objects is used?
Fluid
Resistance
Energy
Force (work)
Why is the scientific method iterative?
Multiple solutions to any problem are necessary.
Testing once will always give the correct answer and save time.
It builds on previous results to develop and validate a solution.
Cost and durability are not key considerations.
Which list BEST describes the breakdown from system to component?
System, reliability, maintainability, user interface, component
System, subsystem, assemblies, sub-assemblies, component
System, subsystem, function, process, component
System, cost, manufacture, board, component
What is the BEST method to display data comparing a robot's time to navigate through a maze over five trials?
Pie Chart
Table
Pareto Chart
Histogram
Which of the following types of engineer is responsible for the design of products such as space exploration probes, automated devices used in manufacturing, and other autonomous devices?
Mechanical
Civil
Biomedical
Chemical
A rancher places a sprinkler on top of a platform in the middle of a field. Water is pumped to the sprinkler from a water supply tank. The spray from the sprinkler, however, does not reach the edges of the field. Which action should the rancher take to increase the range of the sprinkler?
Move the water supply tank closer to the field.
Increase the diameter of the water supply tank.
Reduce the diameter of the sprinkler nozzle.
Place the sprinkler at ground level.
If the voltage is held constant at 12 V, which statement describes the effect of doubling the resistance R? (Ohm's Law is V =IR.)
The new current is 4 times the original
The new current is 1/4 of the original
The new current is 1/2 of the original
The new current is 2 times the original
What is a digital multi-meter used to measure?
Wavelength
Size of a microprossor
Voltage
Processing speed of a microchip
What skill or knowledge is LEAST needed to enter the field of mining engineering?
Geological survey
Building design
Mineral extraction
Environmental evaluation
What is considered the science of the VERY small?
Nanotechnology
Biotechnology
Microscopic technology
Quantum technology
Which of Newton's Laws of Motion BEST explains jet propulsion?
3rd Law (equal and opposite reaction)
Gravity
Second Law (F = ma)
First Law (inertia)
What is iteration?
Determining multiple solutions
Defining a problem
Testing to failure
Repeating a process
DC voltage sources have a positive (+) terminal and a negative (-) terminal. Which statement explains why AC voltage sources do NOT have positive and negative terminals?
AC current is safe and warning labels are not needed.
AC current does not involve charged particles.
AC voltage at each terminal is always changing.
AC voltage at each terminal is always higher than ground.
What is the process for identifying many alternative solutions to a problem?
Brainstorming
Researching
Implementing
Generating
Researching
Brainstorming
Implementing
Generating
What step in the engineering design process is similar to and describes stating the hypothesis?
Analyzing the data
Evaluating the solution
Defining the problem
Gathering information
What is the field of engineering that discovers, removes, and processes minerals from raw state to processed product?
Civil
Materials
Mining
Chemical
How many radians is 90 degrees?
π
π/2
π/4
2π
What is the FIRST step of the scientific process?
State the conclusion.
Analyze the data.
State the problem/question.
Form a hypothesis.
State the conclusion
Analyze the data
State the problem/question
Form an hypothesis
Which model is NOT used for engineering design?
Mathematical
Conceptual
Marketing
Physical
In a factory that manufactures solar panels, some workers install photovoltaic cells on the panels. Which part of the manufacturing process is this job?
Conditioning
Assembling
Forming
Finishing
What is the FIRST step in any troubleshooting process?
Indentify sources of the problem
Gather the tools needed
Review the criteria and constraints
Review safety requirements
The floor of a lab is 15' long and 10' and 6" long. How many 1-square-foot tiles are needed to cover the floor?
157.5
158
160
200
Which computer tool is BEST for writing a research paper?
word processing
spreadsheet
design software
presentation software
What is the proper term used for devising a system, component, or process to meet a desired need?
Engineering formula
Engineering communication
Engineering design
Engineering analysis
What software tool contains thousands of cells that can be used to perform various tasks?
spreadsheet
powerpoint
word processing
graph paper
The equation of the line y = 10 x represents Ohm's Law, the relationship between the current, resistance and voltage for a resistor. If y = voltage and x = current. What is the value of the resistor?
3 ohms
12 ohms
2 ohms
10 ohms
Which type of statistical test deals with the projected lifespan of a product?
Reliability
Cost estimation
Quality performance
Feasibility
How many views are necessary to describe an object with an orthographic projection?
1 or 2
2 or 3
4 or 5
5 or 6
Which activity does NOT meet the ethical obligation of a registered engineer?
Constructing a bridge below the safety factor
Offering services as a technically competent engineer
Giving preference to quality over extreme profit
Giving consideration to the public welfare
Which type of engineering was formerly called aeronautical engineering?
Aerospace
Astronautical
Agricultural
Astrological
Which sequence for an engineering design cycle is in the CORRECT order?
Define the problem, brainstorm solutions, select the best solution, develop the solution, improve the solution, and test the solution.
Brainstorm solutions, select the best solution, define the problem, develop the solution, test the solution, and improve the solution.
Define the problem, brainstorm solutions, select the best solution, develop the solution, test the solution, and improve the solution.
Define the problem, improve the solution, develop the solution, brainstorm solutions, select the best solution, and test the solution.
What is the estimated average size of the Web Science blogosphere on a single day if 112 million blogs are tracked in 1 month?
16 million
9 million
4 million
30 million
If a small gear has 18 teeth and goes 90 RPM, how many teeth must a larger gear have to make 110 RPM?
19
15
24
22
What is the MOST valid means to collect data about the demand for a new product?
Interview 100 people at different times on different days.
Interview students at a school about the product.
Ask students at a mall about the product.
Ask 100 people in the community for their opinion.
What is a reasonable estimate for the circumference of a 2" diameter wheel?
6"
2"
4"
60"
What is the magnitude of acceleration for a 90 kg crash-test vehicle if the net impact force is 225 Newtons? (F=ma)
1.0 m/s2
1.5 m/s2
2.0 m/s2
2.5 m/s2
If a plot of land is 80 feet x 100 feet, what size building would occupy 40 percent of the land?
8000-square-foot building
2400-square-foot building
4800-square-foot building
3200-square-foot building
Which responsibility belongs to ALL engineering disciplines?
To solve problems given constraints and requirements
To design products to be mass produced
To use knowledge of industrial processes to design a fabrication facility
To design microprocessors and newer technologies
Why is a caliper used?
To measure an angle
To connect two rulers
To measure in a different unit
To make precise measurements
Approximately how many 100 watt lightbulbs are needed to consume 1/2 horsepower? (1 horsepower = 746 watts)
3
2
4
5
How many tons of spent fuel from a 1,000 mega-watt reactor will accumulate in 15 years if the reactor produces 33 tons each year?
330
450
495
40
What is 60 mph in units of feet per second (fps)? (1 mile = 5,280 feet an 1 h = 3600 s )
88 fps
60 fps
100 fps
44 fps
Approximately how far will a 6 inch diameter wheel travel in 1 rotation?
7 inches
10 inches
19 inches
38 inches
A 10-tooth driver gear meshes with a 20-tooth idler gear, which in turn, meshes with a 40-tooth driven gear. What is the gear ratio of the gear train?
1 to 4
1 to 2
1 to 8
1 to 80
How can you increase the torque supplied by motors to the wheels?
increase the speed of the robot
change the gear ratio
change the speed of the motor
increase the size of the wheels
If two gears are set up with a center-to-center distance that is too long, they will
bind
mesh properly
mesh loosely or not mesh at all
have a lower gear ratio
Which type of engineering is associated with this description? Areas for emphasis for this engineering are: production, manufacturing, human factors, and operations research.
Chemical Engineering
Civil Engineering
Industrial Engineering
Social Engineering
Which type of engineering is associated with this description? Engineers that are involved in the design, development, production, control, operation, and service of mechanical devices. These engineers are concerned with the principles of force, energy and motion.
Civil Engineering
Construction Engineering
Mechanical Engineering
Aerospace Engineering
What type of engineering is associated with this description? Engineering that includes computers, communications, circuits, and solid-state devices, control, instrumentation, signal processing, and power.
Chemical Engineering
Mechanical Engineering
Industrial Engineering
Electrical Engineering
Which type of engineering is associated with this description? Engineering that deals with flight of everything: balloon flight, sailplanes, propeller and jet-powered aircraft, missiles, rockets, satellites, and advanced interplanetary concepts.
Aerospace Engineering
Electrical Engineering
Industrial Engineering
Mechanical Engineering
Which type of engineering is associated with this description? Engineers that design and develop processes to mass-produce detergents, paints, plastics, fertilizers, petroleum products, food products, pharmaceuticals, circuit boards and many others.
Mechanical Engineering
Chemical Engineering
Civil Engineering
Biomedical Engineering
The ability of a material to be stretched or deformed and return to its original shape is referred to as
plasticity
malleability
strain factor
elasticity
The largest expected load of the ladder is about 200 pounds. If the ladder is designed with a safety factor of 4, what is the maximum live load that the ladder could support before falling?
50 lbs
196 lbs
204 lbs
800 lbs
