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        Foundations of Technology                       Final Exam

True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

Collaboration tends to enhance creativity and expand the range of possibilities.
 

 2. 

Established design principles are used to evaluate existing designs, to collect data, and to guide the design process.
 

 3. 

A bridge is an example of structural technology.
 

 4. 

Different kinds of materials respond differently to electric forces, on conducting materials.
 

 5. 

Each step in the engineering design process involves obtaining information and specific skills.
 

 6. 

Feedback is used to regulate or control a technological system.
 

 7. 

One of the drawbacks to brainstorming is that it doesn’t allow for input from a number of people.
 

 8. 

Resources are the things needed to get a job done, such as, tools and machines, materials, information, energy, people, capital, and time.
 

 9. 

Engineering design is influenced by personal characteristics, such as creativity, resourcefulness, and the ability to visualize and think abstractly.
 

 10. 

Models are especially important for the designing of cars, spacecraft, and airplanes.
 

 11. 

Friction the resisence to motion can be mathematically described as Friction= force/mass.
 

 12. 

Efficiency is the amount of force applied to an object over a distance.
 

 13. 

A door latch is an example of mechanical technology.
 

 14. 

In a fluid system, a gas that decreases in pressure, will increase in volume.
 

 15. 

An artificial leg is an example of biotechnology.
 

 16. 

Computers have greatly improved the power and use of mathematical models by performing computations that are very long, very complicated, or repetitive.
 

 17. 

A hot water heater is an example of biotechnology.
 

 18. 

Power is refered to the rate at which energy is transferred or the rate at which work is performed.
 

 19. 

Energy is the ability to do work.
 

 20. 

The volume of the gas changes inversely proportional to the pressure of the gas.
 

 21. 

A technology system is a group of resources (subsystems) working together to solve problems and extend human capabilities.
 

 22. 

A force is either a push or pull.
 

 23. 

A telescope is an example of optical technology.
 

 24. 

An example of a closed fluid system would include a forced hot water system or breaks on a car.
 

 25. 

Design problems always arise in a clearly defined form.
 

 26. 

Designs should never be  checked, refined and improved.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 27. 

There are _________ basic types of simple machines
a.
8
c.
2
b.
4
d.
6
 

 28. 

Materials Technology
a.
hydraulic jack
c.
heat exchanger
b.
bacteria “leaching” of metals from ore
d.
laminating wood
 

 29. 

The usefulness of a ________ can be tested by comparing its predictions to actual observations in the real world.
a.
brainstorm
c.
constraint
b.
model
d.
system
 

 30. 

In a fluid system, a pressure difference causes _______________  to move or perform some special function like pushing a piston or opening or closing a valve.
a.
fluids
c.
liquids
b.
none of the above
d.
gasses
 

 31. 

People, information, time, capital, machines and tools, materials, and energy are all ____________ of science and technology
a.
results
c.
resources
b.
constraints
d.
properties
 

 32. 

Safety, Reliability, Economic considerations, Quality control, Environmental concerns, Manufacturability, Maintenance and Human factors engineering (ergonomics) are ________________ that apply to the engineering design process.
a.
constrinats
c.
brainstorming
b.
problem statements
d.
results
 

 33. 

One factor that affects a mechanical system’s efficiency.
a.
Work
c.
Displacement
b.
Power
d.
Friction
 

 34. 

The personal characteristics involved in engineering including:
a.
Ability to visualize and think abstractly
c.
Creativity
b.
All of the above
d.
Resourcefulness
 

 35. 

Design problems are _________ presented in a clearly defined form.
a.
seldom
c.
sometimes
b.
always
d.
never
 

 36. 

mc036-1.jpg
In the figure above, how much pulling force would be needed to lift a load of 120 lbs?
a.
120 lbs
c.
40 lbs
b.
60 lbs
d.
20 lbs
 

 37. 

Boyle’s Law states that pressure and volume of an ideal gas are ___________________.
a.
inversely proportional
c.
proportional
b.
inversely operational
d.
partially proportional
 

 38. 

Mechanical technology is used  to produce, control, and transmit _____________.
a.
motion
c.
friction
b.
energy
d.
mechanics
 

 39. 

A wheel and axle is a type of __________________.
a.
ramp
c.
lever
b.
pulley
d.
incline plane
 

 40. 

The basic idea of  ___________________________ is to find a mathematical relationship that behaves in the same ways as the objects or processes under investigation.
a.
technical modeling
c.
mathematical modeling
b.
scientific modeling
d.
prototype modeling
 

 41. 

Biotechnology
a.
altering plant genes to produce better crops
c.
tires on a car
b.
producing paper form wood
d.
a metal detector
 

 42. 

mc042-1.jpg
On a wedge, the direction of force is applied to side __________________.
a.
None of the above
c.
A
b.
C
d.
B
 

 43. 

Engineering as the systematic application of mathematical, scientific, and technical principles, to yield tangible end products that meet our _______________________.
a.
needs of  technology
c.
desires for new things
b.
daily requirements
d.
needs and desires
 

 44. 

A first class lever can be described as having the fulcrum ___________ the effort and resistence
a.
between
c.
to the left
b.
behind
d.
infront
 

 45. 

To reduce the chance of system failure, _______________is often conducted using small-scale models, computer simulations, analogous systems, or just the parts of the system thought to be least reliable
a.
reliablity testing
c.
computer testing
b.
performance testing
d.
systems testing
 

 46. 

There are ___________ classes of levers.
a.
2
c.
4
b.
1
d.
3
 

 47. 

________________ have greatly improved the power and use of mathematical model.
a.
Problem Solving
c.
Computers
b.
Engineers
d.
Designs
 

 48. 

When a syringe top is pulled to allow a solution enter it, the volume is increased while the pressure is ____________.
a.
decreasing
c.
stays the same
b.
can not be measured
d.
increasing
 

 49. 

________________ is used to minimize the likelihood of unwanted side effects of a new technology.
a.
Resources
c.
Brainstorming
b.
Constraints
d.
Risk analysis
 

 50. 

Design problems are  __________ presented in a clearly defined form.
a.
always
c.
sometimes
b.
seldom
d.
never
 

 51. 

mc051-1.jpg
What is the length of LR if the Mechanical advantace is 2 and LE is 10 inches long?
a.
can not be determined
c.
20 inches long
b.
5 inches long
d.
1 inch long
 

 52. 

Mechanical Technology
a.
gear systems in a car transmission
c.
power plant generator
b.
city water tower
d.
airfoils on an airplane
 

 53. 

mc053-1.jpg
Using the figure above, to find the Mechanical Advantage of this lever the formula would be?
a.
LR/LE
c.
R/LE
b.
E/LR
d.
LE/LR
 

 54. 

There are several engineering resources (core technologies) that are the _____________ of all technology systems.
a.
“building blocks”
c.
“systems thinking”
b.
“wooden blocks”
d.
“designing process”
 

 55. 

Electronic Technology
a.
thermostat for controlling temperature
c.
toaster
b.
warm air heating ducts
d.
power plant generator
 

 56. 

Design needs to be ____________ checked and critiqued, and the design must be refined and improved.
a.
never
c.
continually
b.
seldom
d.
randomly
 

 57. 

Structural Technology
a.
roadways
c.
agitator in a washing machine
b.
fiber optic telephone communication
d.
flashlight
 

 58. 

A curve cut to allow people in wheelchairs easy access to the sidewalk is an example of a(n)
a.
incline plane
c.
wheel and axle
b.
pulley
d.
lever
 

 59. 

A pneumatic system is one that uses a ________________ to create a force
a.
gas
c.
fluid
b.
hydraulics
d.
liquid
 

 60. 

The basic idea of ________________  is to find a mathematical relationship that behaves in the same ways as the objects or processes under investigation.
a.
scientific modeling
c.
prototype modeling
b.
mathematical modeling
d.
technical modeling
 

 61. 

Optical Technology
a.
annealing to soften metal
c.
plumbing in a school
b.
light bulb
d.
electric heater
 

 62. 

Electrical Technology
a.
city water tower
c.
laser cutting tools
b.
air brakes on a truck
d.
door bell
 

 63. 

mc063-1.jpg
Be examining the graph above, if the pressure is equeal 1160 torr, what would the volume be?
a.
16.2 ml
c.
20 ml
b.
.04 ml
d.
.05 ml
 

 64. 

In a fluid system, _________________ ,  moves through the system.
a.
only a liquid
c.
only a gas
b.
both a liquid and a gas
d.
either a liquid or gas
 

Matching
 
 
a.
Attribute
f.
Design Proposal
b.
Brainstorming
g.
Engineering Design
c.
Constraints
h.
Iterative
d.
Creativity
i.
Prototype
e.
Design
j.
Specifications
 

 65. 

A limitation or restriction
 

 66. 

The approach that engineering disciplines use to specify how to create or do something.
 

 67. 

A method of shared problem solving in which all members of a group spontaneously contribute ideas
 
 
a.
brainstorming
f.
prototype
b.
communicate and test
g.
set of steps
c.
constraints
h.
sketches and models
d.
engineering design process
i.
transform
e.
personal characteristics
 

 68. 

Design involves a ______________________________, which can be performed in different sequences and repeated as needed.
 

 69. 

The ______________________________ includes identifying a problem, looking for ideas, developing solutions, and sharing solutions with others. 
 

 70. 

A group problem-solving design process in which each person presents ideas is called ______________________________.
 

 71. 

Engineering design is influenced by the ________________________, such as creativity and resourcefulness, of individuals and groups of people.
 

 72. 

Models are used to ______________________________ design ideas and processes.
 

 73. 

A ______________________________  is a working model used to test a design concept.
 

 74. 

Modeling and testing are used to ______________________________  ideas into practical solutions.
 

 75. 

Expressing ideas to others using ______________________________ is an important part of the design process.
 
 
Match the Core Technology to its definition.
a.
Materials Technology
f.
Thermal Technology
b.
Structural Technology
g.
Optical Technology
c.
Electronic Technology
h.
Bio-Technology
d.
Electrical Technology
i.
Mechanical Technology
e.
Fluid Technology
 

 76. 

The technology of putting together mechanical parts to produce, control, and transmit motion.
 

 77. 

The technology of using small amounts of electricity for controlling; detecting; and information collecting, storing, retrieving, processing and communicating.
 

 78. 

The technology of using fluid, either gaseous (pneumatics) or liquid (hydraulic) to apply force of transport.
 

 79. 

The technology of producing, altering, and combining materials.
 

 80. 

The technology of producing, storing, controlling, transmitting and getting work from electrical energy.
 
 
a.
Force
g.
Piston
b.
Actuator
h.
Pressure
c.
Closed System
i.
Pump
d.
Cylinder
j.
Valves
e.
Fluid
k.
Volume
f.
Fluid Technology
 

 81. 

A push or a pull
 

 82. 

A force applied over an area.
 

 83. 

A mechanical device for moving or controlling something.
 

 84. 

A system in which there is no place for either additional storage or release of fluid.
 

 85. 

A liquid or a gas.
 

 86. 

How much space an object occupies
 

 87. 

A sliding piece moved or moving against fluid pressure in a cylinder.
 
 
a.
Efficiency
e.
Friction
b.
Energy
f.
Mechanical Technology
c.
Force
g.
Power
d.
Gravity
h.
Work
 

 88. 

A push or a pull
 

 89. 

An attractive force acting at a distance between two or more masses
 

 90. 

The product of a force applied to an object and the distance the object moves
 

 91. 

The technology of putting together mechanical parts to produce, control, and transmit motion
 

 92. 

A force that opposes relative motion of two solids or a solid and a liquid
 

 93. 

The rate of doing work
 



 
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