WorksheetsTED Unit 3 Review
Total questions: 30
Worksheet time: 15mins
Which of the following is an example of an optical core technology system?
laser
iPod
fish tank
screwdriver
Systems, which are the building blocks of technology, are embedded within larger:
optical, thermal and fluid systems
technological, social, and environmental systems
mechanical, structural, and electrical systems
political, ethical, and moral systems
Within the system of an automobile engine, the fuel, spark plugs, and the pistons are all examples of:
subsystems
outputs
Feedback
impacts
An example of a subsystem in a car is:
The steering wheel
The windshield
The tire
The suspension
If a lever has the mechanical advantage of 5, how much force is needed to move an object that weights 100 lbs?
20 Lbs
10 Lbs
100 Lbs
5 Lbs
When an operator notices that a CNC machine is making rough cuts, the most likely cause is that the cutter:
is broken.
is spinning too fast.
needs to be sharpened.
needs to be returned to the supplier.
Which of the following is an example of a subsystem and system relationship?
television, stereo
mechanical toggle, PS4 controller
wind, solar
door, home
Input Force x Input Distance = Output Force x Output Distance may be used to check for the proper design of a mechanical system. What type of model is this?
Mathematical model
Visualization model
Statistical model
Working model
The ratio of the output force produced by a working force applied by the effort.
Efficiency
Work
Mechanical Advantage
Power
Technology involves the use of processes to develop _____ that solve problems and extend human capabilities.
Systems
Theories
Keys
Ideas
Which of the following represents an example of a fluid core technology system?
Remote control
fireplace
Solar panels
hydraulic brakes
As new technologies are developed:
new processes are created.
processes are replicated.
processes are bypassed.
new processes are ignored.
Fundamental change in the technological world of the twenty-first century will most likely be accomplished using:
government studies and reports.
the scientific method.
systems thinking.
the money of the well-informed individuals.
Which of the following is an output of an email communication system?
The modem used for internet connection.
The sent email.
The person sending the email.
The computer used by the person sending the email.
In order for an engineer to assess if a designed system is operating correctly:
feedback is necessary.
communication is necessary.
information is necessary.
thinking is necessary.
Which of the following is an example of a closed system?
A clothing dryer
A microwave
A coffee pot
A motion detecting exterior light
Which of the following components of the systems model provides information for the system to adjust its function according to the provided information?
Input
Output
Process
Feedback
Which of the following components of the systems model includes resources such as, energy, capital, people, materials, tools and machines, time and information?
Input
Feedback
Output
Processes
The process of planning, organizing, and controlling work is known as:
design
analysis
measurement
management
This step involves the identification of subsystems and their relationship to one another.
Disassemble
Test
Analyze
Documentation
When an operator does not follow established operating procedures, what is most likely to increase?
Lifetime of the tool
Risk of accidents
Labor time
Productivity
This step in the reverse engineering process involves redesign and optimization of the product.
Disassemble
Documentation
Test
Analyze
Which of the following is not a reason a company would reverse engineer a product?
to optimize product design
learn from the device to create a new technology/product
to document for future use
to gain a competitive advantage in the marketplace
Which of the following is a subsystem of a cell phone?
ergonomics
light
circuit board
Which provides the best information on how a device or system is designed to be operated?
Manufacturer's operator manual
One's own trial and error
Guidelines offered by one's job supervisor
Instructions from the previous operator
The maintenance of systems is important to ensure proper:
Abilities
repair.
function
Form
Changing a furnace filter or air conditioning filter an example of:
repairing a system to ensure safe and proper function.
maintaining a system to ensure safe and proper function.
troubleshooting a system to ensure safe and proper function.
analyzing a system to ensure safe and proper function.
What is used to determine what is wrong with a piece of equipment?
Calibration
Troubleshooting
Installation
Alteration
Information to diagnose and repair a product or system is contained in the product:
user's manual.
magazine advertisement.
direction sheet.
brochure.
An established schedule to change the air filters in a home or to change the oil in cars is:
troubleshooting
diagnosis
repair
maintenance
