True/False
Indicate whether the
statement is true or false.
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1.
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Designs should never be checked, refined and
improved.
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2.
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One of the drawbacks to brainstorming is that it
doesn’t allow for input from a number of people.
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3.
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The fewer ideas a person can draw from, the better
the chance that an optimum solution can be found.
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4.
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An engineer is, in essence, a problem
solver.
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5.
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It is not necessary to repeat the steps in the
design process to optimize the design.
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6.
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Resources are the things needed to get a job done,
such as, tools and machines, materials, information, energy, people, capital, and time.
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7.
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A force is either a push or pull.
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8.
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Motion is describe as a mass multiplied by its
acceleration.
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9.
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Energy is the ability to do work.
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10.
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There are two kinds of charges-positive and
negative.
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11.
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Like charges attract one another, opposite charges
repel.
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12.
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A potentiometer allows the operator to increase and decrease the amount of
resistance across the circut.
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13.
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A diode allows electrical current to flow in only one direction.
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14.
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A transistor allows a small current to control a large current, refered to as an
amplification.
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15.
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A photocell acts like a transistor when installed into a circut.
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16.
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A capicator stores electrical energy.
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17.
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An SCR acts as a switch, when a positive pulse is applied to the gate, it allows
current to flow through the rest of the circut.
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18.
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The blade guard must
be placed 1/8” above your stock?
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19.
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The band saw moves in a continuous motion, which
causes your project to lift up if not held securely to the table?
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20.
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It is acceptable to
use disc / belt sander while machine is coming up to full speed?
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21.
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Sand using the disc /
belt sander on the upward spinning side of the disc?
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22.
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More than one person
can operate the drill press simultaneously?
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23.
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The depth stop should
be adjusted prior to operating drill press?
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24.
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Always wear eye protection when using any tool?
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25.
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Remove all rings, watches or other items around your wrists?
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26.
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Wear shoes that have a covered toe and heel?
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27.
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Use the miter saw
with the blade operating at half speed?
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28.
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Never hold the piece
to be cut in a manor that causes your arms to cross?
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29.
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Cut lines should be
clearly marked after cutting your stock?
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30.
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The scroll saw blade
moves in a reciprocal motion, which causes your project to lift up if not secured to the table with
the hold down fingers?
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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31.
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________________ have greatly improved the power
and use of mathematical model.
a. | Computers | c. | Problem Solving | b. | Engineers | d. | Designs |
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32.
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Design needs to be ____________ checked and
critiqued, and the design must be refined and improved.
a. | continually | c. | seldom | b. | randomlly | d. | never |
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33.
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There are several engineering resources (core
technologies) that are the _____________ of all technology systems.
a. | “building blocks” | c. | “designing process” | b. | “systems thinking” | d. | “wooden
blocks” |
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34.
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Mechanical Technology
a. | city water tower | c. | airfoils on an airplane | b. | power plant
generator | d. | gear systems in a car transmission |
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35.
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Structural Technology
a. | flashlight | c. | agitator in a washing machine | b. | fiber optic telephone communication | d. | roadways |
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36.
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Electrical Technology
a. | door bell | c. | air
brakes on a truck | b. | laser cutting
tools | d. | city water tower |
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37.
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Electronic Technology
a. | power plant generator | c. | warm air heating ducts | b. | thermostat for
controlling temperature | d. | toaster |
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38.
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Fluid Technology
a. | jet engine | c. | airfoils on an airplane | b. | laser surgical
instruments | d. | stain “eating” enzymes in
detergent |
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39.
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Optical Technology
a. | light bulb | c. | electric heater | b. | plumbing in a
school | d. | annealing to soften metal |
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40.
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Thermal Technology
a. | producing aluminum from ore | c. | hot air balloon | b. | electric motor in
a can opener | d. | storm sewer |
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41.
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Biotechnology
a. | altering plant genes to produce better
crops | c. | tires on a car | b. | producing paper form wood | d. | a metal
detector |
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42.
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Materials Technology
a. | bacteria “leaching” of metals from
ore | c. | heat exchanger | b. | hydraulic jack | d. | laminating
wood |
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43.
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If the input in this
machine is in the down direction, what direction would the output be?
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44.
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In an eletrical system, the opposistion to the flow
of electrons is refered to as ______________.
a. | Voltage | c. | Ohm’s Law | b. | Current | d. | Resistance |
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45.
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_______________ is the quantity or flow rate of
electrons moving past a point within one second.
a. | Current | c. | Voltage | b. | Resisence | d. | Conduction |
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46.
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Current is also known as
___________________.
a. | resistance | c. | amperage | b. | voltage | d. | power |
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47.
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A _________ is the unit of measure used to express
electrical power, generation and use.
a. | volt | c. | resistor | b. | watt | d. | amp |
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48.
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The diagram above
demonstrates a ________________a. | complete curcuit | c. | arrow
curcuit | b. | open curcuit | d. | short
curcuit |
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49.
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Using Ohm’s Law, calculate the current of a
curcuit where there is 9 volts and 1000 ohms of resistance.
a. | 9 amps | c. | .009
amps | b. | .09 amps | d. | .0009
amps |
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50.
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In a parallel curcuit, the total resistance is
____________ the value of the smallest resistor.
a. | equal to | c. | greater than | b. | less
than | d. | none of the above |
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51.
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The total resistance in a parallel curcuit if the
there are three resistors equal to 1kW, 2.5kW, and 3kW of resistance.
a. | 6.5kW | c. | .0017W | b. | 576kW | d. | 576W |
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52.
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In a series curcuit, the total resistance is
___________ the largest resistor.
a. | smaller than | c. | greater than | b. | equal
than | d. | can not be determined |
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53.
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The total amount of resistance in a curcuit with
three resistors equal to 1kW, 2.5kW and 3kW of resistance is equal to
______________
a. | 6.5W | c. | 650W
| b. | 65W | d. | 6500W
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54.
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What is the total voltage in a curcuit it the
current is equal to 10 amps and there is 250kW of resistance.
a. | 2500 volts | c. | .04
volts | b. | 250000 volts | d. | 25
volts |
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55.
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If a curcuit is powered with a 9 volt battery and
there is 2 amps of current, what is the total amount of resistance.
a. | 4.5 ohms | c. | 11
ohms | b. | 18 ohms | d. | 7
ohms |
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56.
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A car starting at 19 ft/sec reachers 255 ft/sec in 5 seconds, calculate
acceleration.
a. | 46.5 ft/sec^2 | c. | 47.2 ft/sec^2 | b. | 47.9 ft/sec^2 | d. | 47.0 ft/sec^2 |
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57.
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A runner competing in a 5 kilometer race is able to reach 16.9 ft/sec in the 10
seconds of his race, calculate his acceleration.
a. | 1.70 ft/sec^2 | c. | 1.45 ft/sec^2 | b. | 1.67 ft/sec^2 | d. | 1.69 ft/sec^2 |
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58.
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Convert 25.6 meters into feet.
a. | 81.20ft | c. | 83.55ft | b. | 82.95ft | d. | 83.99ft |
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59.
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Convert 15.5kg into lbs.
a. | 34.17lbs | c. | 35.62lbs | b. | 35.55lbs | d. | 35.95lbs |
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60.
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Calculate the power generated by a 160lb person who can climb a ladder with a
height of 50.6 feet in a time of 1min and 37 seconds.
a. | 113.09 J/s | c. | 114.56 J/s | b. | 114.50 J/s | d. | 115.98 J/s |
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61.
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Calculate the horsepower a 24.3 kg person can produce if they can climb a set of
stairs that are 35.6 ft tall in 34.9 seconds.
a. | 0.099 hp | c. | 1.07 hp | b. | 1.05 hp | d. | 1.12 hp |
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62.
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Calculate the horsepower a 190 lbs person can produce if they can climb a ramp
that is 156 m tall in 2 min 34.5 seconds.
a. | 1.10 hp | c. | 1.14hp | b. | 1.12 hp | d. | 1.16 hp |
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63.
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What command would used to perform following operation?  a. | Cut Extrude | c. | Intersect Extrude | b. | Extude | d. | Midplane
Extrude |
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64.
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Before:
After:  a. | Extrude | c. | Insert Hole | b. | Revolve | d. | Shell |
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65.
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Before:  After:  What
tool is used to perform the above operation? a. | Extrude | c. | Loft | b. | Revolve | d. | Insert Hole |
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66.
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Before:  After:  What
tool is used to perform the above operation?
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67.
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 What tool would be used for the above
operation? a. | Chamfer | c. | Round | b. | Fillet | d. | Trim |
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68.
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 What tool would be used to perfrom the
above operation? a. | Chamfer | c. | Round | b. | Fillet | d. | Trim |
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69.
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Before:  After:  What
tool is used to perform the above operation? a. | Copy | c. | Project Geometry | b. | Move | d. | Place Feature |
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Matching
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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 |
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70.
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The technology of putting together mechanical
parts to produce, control, and transmit motion.
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71.
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The technology of producing, storing, controlling,
transmitting and getting work from electrical energy.
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72.
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The technology of using small amounts of
electricity for controlling; detecting; and information collecting, storing, retrieving, processing
and communicating.
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73.
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The technology of putting parts and materials
together to create supports, containers, shelters, connectors, and functional shapes.
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74.
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The technology of using fluid, either gaseous
(pneumatics) or liquid (hydraulic) to apply force of transport.
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75.
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The technology of producing light; using light for
information collecting, storing, retrieving, processing and communicating; and using light to do
work.
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76.
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The technology of producing, storing, controlling,
transmitting and getting work from heat energy.
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77.
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The technology of using, adapting, and altering
organisms and biological processes for a desired outcome.
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78.
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The technology of producing, altering, and
combining materials.
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Place the correct
symbol next to the correct term (V, I, R)
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79.
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Voltage
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80.
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Current
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81.
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Resistance
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Match the following words with their definition. a. | Source | d. | Receiver | b. | Encoder | e. | Decoder | c. | Transmitter | f. | Destination |
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82.
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Changes message back into usable form.
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83.
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Where the message starts.
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84.
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A device that accepts a message.
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85.
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Changing the form into a message that can be transmitted.
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86.
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A device that sends a message.
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87.
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The place the message ends up.
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Use the chart to identify the resistors:  a. | 10 ohm | e. | 1k ohm | b. | 47 ohm | f. | 3.3k ohm | c. | 220
ohm | g. | 16k
ohm | d. | 330 ohm | h. | 33k
ohm |
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88.
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Red, Red, Brown, Gold
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89.
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Brown, Black, Black, Gold
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90.
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Orange, Orange, Orange, Gold
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91.
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Orange, Orange, Red, Gold
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92.
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Yellow, Violer, Black, Gold
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93.
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Brown, Black, Red, Gold
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94.
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Orange, Orange, Brown, Gold
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95.
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Brown, Blue, Orange, Gold
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Identify the parts based on the symbols:
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96.
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LED
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97.
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Diode
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98.
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Photocell
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99.
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Resistor
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100.
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Battery
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101.
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Speaker
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102.
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Push Button
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103.
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Transistor
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