HISTORY:

 

1.      Which of the following types of engineers work to create roads, bridges, and tunnels?

a.      industrial

b.      geological

c.       mechanical

d.      physical

e.      civil

 

2.      What are the five largest fields of engineering?

a.      chemical, biological, industrial, physical, electrical

b.      chemical, industrial, electrical, mechanical, civil

c.       chemical, aerospace, industrial, civil, mechanical

d.      chemical, aerospace, biological, civil, electrical

 

3.      Another good way to describe engineering is simply saying that engineering is-

a.      selling products

b.      working hard

c.       problem solving

d.      working well with other people

 

4.      Select the best definition for what engineering is:

a.      Using knowledge to create products that are the most efficient.

b.      Using knowledge to create products that are the least expensive.

c.       Using knowledge to create products that are in high demand.

d.      Using knowledge to create products that make people happy.

 

 

5.      Mercury is known in space history as

a)    A non-ferrous metal

b)    A toxic metal

c)    The first manned rocket system

d)    The closest planet to the sun

 

6.    Neil Armstrong

a.    Flew spaceship one for Virgin Airways winning the X prize for the first private company to reach sub space.

b.    Was the first man to orbit the earth

c.    Was the first man to walk on the moon

d.    Was the first man to break the speed of sound

 

 

7.    Alan Sheppard

a.    Flew spaceship one for Virgin Airways winning the X prize for the first private company to reach sub space.

b.    Was the first man to reach suborbital flight

c.    Was the first man to walk on the moon

d.    Was the first man to break the speed of sound

 

8.    It takes how long to fly to the moon?

a.    Two Days

b.    One day

c.    Three days

d.    Six days

 

 

9.    The space shuttle has flown to the moon how many times?

a.    42

b.    Zero

c.    16

d.    Once every three years

 

10. Technology expands currently at what rate per year?

a.    2x

b.    3x

c.    4x

d.    5-6x

 

True and False

 

11. The Gemini program used an atlas rocket

12. Spaceship one was the name of the first lunar lander in 1969

13. The next new fleet of spacecraft to fly to the moon and mars will used 40 year old technologies

14. Man first landed on mars in 1972

 

 

MATERIALS:

15.  Select all the various characteristics of plastics that make it a good material selection for manufacturing parts:

a.      durable

b.      lightweight

c.       easily molded into different shapes

d.      conductive

e.      low cost

 

16.  Plastics are made from:

a.      Hydrocarbons

b.      silica

c.       minerals

d.      wood by products

 

17.  Quality Control inspects materials during the manufacturing process to:

a.      ensure that each material has the correct characteristics

b.      only after the problem has been reported

c.       only when the customer requests additional data

d.      only when a new employee is running the machines

 

18.  The condition in which all three phases of a substance can exist in equilibrium is called the____________.

a.      equilibrium phase

b.      triple point

c.       dew point

d.      ideal condition

19.        The difference between hardwood and softwood is

a.   hardwood is harder than softwood

b.   the specific density hardwood of is greater than softwood

c.    hardwoods are from deciduous trees, softwoods are from coniferous trees

d.   hardwoods are from coniferous trees, softwoods are from deciduous trees

 

20.        Composite materials have revolutionized which industry?

a.   The recording industry

b.   The manufacturing industry

c.    The Aerospace industry

d.   The Virgin Airways Industry

 

 

21.        Ferrous metals would be

a.   Steel, copper, brass and iron

b.   Stainless Steel, Iron, Aluminum

c.    Iron, Zinc, Stainless Steel

d.   Cold rolled steel, iron, stainless steel

 

 

 

 

22. Graphite is a main component in many

a.    Pencils and pens

b.    Polymers

c.    Zinc

d.    Composites

 

23. Some examples of precious metals are

a.    Zinc, copper

b.    Diamonds, gold and silver

c.    Platinum, lead and gold

d.    Plutonium and uranium

 

24. Two main resin families used in composite materials are

a.    Polyester and Ethyl Ester Resins

b.    Ethyl Fred and Lucy Resins

c.    Plastic and Epoxy Resins

d.    Epoxy and Ethyl Ester Resins

 

25. Injection molding is used predominately in

a.    Polyester Resin production

b.    Thermoplastic processes

c.    Thermosetting processes

d.    Vacuum Forming

 

26. Wood veneers are used  to:

a.    Making plywood

b.    Creating thin wood laminates to cover less expensive woods

c.    Used to save money on hardwoods

d.    Both A and B  

 

27. Plastics can only be recycled if

a.    They are thermosets

b.    They are thermoplastics

c.    Are Polyesters

d.    Are soda bottles

 

28. Alloys are:

a.    A mixture of plastic resins to create composite materials

b.    Made for developing nuclear weapons

c.    Like brass and copper mixed to make nickel

d.    A mixture of two metals to create a metal with different properties

 

 

 

 

 

 

True and False

 

29. Thermoplastics may be recycled

30. Non-Ferrous metals are easy detected when a magnet sticks to it

31. Composite materials have made it possible for new flying distance records around the earth

32. Polymers’ is another name for alloys

33. Composite materials are lighter and much less expensive than more traditional materials such as steel and plastics

34. The Saturn V rocket is the largest rocket ever built by man

35. The first moon landing was in 1959

36. Copper, zinc and nickel mixed together make an alloy we know as brass

37. Steel and nickel together make an alloy we know as stainless steel

38. Hardwoods are the most widely used home construction materials

39. When drilling metal—the harder the metal the faster the drill bit runs

40. Quenching, or dipping heated metals in oil and water can change how hard the metal is

41. Carbon, when added to steel makes it harder

42. Aluminum does not corrode

43. Cone bearing trees are considered softwoods

44. Pine, fir and oak are all hardwoods

45. Vacuum forming is used on thermoplastics

46. The first polymer was made in the mid 1800’s and was used to make pool table balls

47. Softwoods are used mostly for construction of homes as they grow tall, straight and relatively quickly

48. Ferrous metals contain iron and when they corrode the metal turns bright orange—or rust and falls apart

 

 

 

UNITS: Needs

 

49.  What units are used to measure electrical current?

a.      amps

b.      watts

c.       ohms

d.      joules

e.      volts

 

50.  What units are used to measure electrical resistance?

a.      joules

b.      volts

c.       watts

d.      amps

e.      ohms

 

51.  If water traveling through a garden hose is analogous to electricity, the friction of the water traveling through the hose is most like:

a.      current

b.      resistance

c.       amperage

d.      watts

e.      voltage

 

 

 

 

52.  A multimeter is a multipurpose device that can measure

a.      voltage and resistance

b.      voltage and current

c.       resistance and current

d.      voltage, current and resistance

e.      none of these

 

53.  About how many hours does the typical work YEAR consist of, not including vacation time?

a.      8

b.      40

c.       2000

d.      2500

e.      3000

 

54.  If you received three job offers, one for $14.00 an hour, one for $2400.00 a month, and one for $27,750 a year, which job should you take if salary was your only consideration?

a.      $14.00 an hour

b.      $2400.00 a month

c.       $27,500 a year

d.      $14.00 an hour and 2400.00 a month are the same

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Use the below diagram to explain Bernoulli’s principle in 56-59

 

 


 

 


http://www.quia.com/files/quia/users/sportzes/bernoulli-effect.jpg

55. _____________high pressure

 

56. _____________Low pressure air

 

57. ____________airfoil

 

58.  ____________lift

 

 

 

 

 

 

 

 

ROBOTS:  needs questions and some on autonomous programming, lift systems and types of ROV’s used—IE: Underwater, aerial, bomb squads etc

 

 

59.  The part of the robot that grabs is called the

a.      controller

b.      power supply

c.       manipulator

d.      axis

 

Match the parts of the robot with their names:


I.                 

 

 

 

61____________________= A

62____________________= B

63____________________= C

64____________________= D

65____________________=E

 

A.      Waist

B.      Shoulder

C.      Manipulator

D.     Wrist

E.      Elbow


 

65.    Holonomic Drives are

a.    refers to the relationship between the controllable and degrees of freedom of a given robot (or part thereof).

b.    A platform employing three omni wheels in a triangular configuration

c.    It is sometimes called the Ilon wheel after its Swedish inventor, Bengt Ilon,

d.    a six wheel vehicle employing two conventional wheels

 

66.  Microcontrollers on robots:

a.    Are the motor controls to any motors on the robot

b.    Acts as a radio transmitter

c.    Contains the programming of the robot

d.    Is the wifi module

 

67. Robots that run by themselves without human control require


e.    Wheels and wires

f.     Gears and pulleys   


      c.  microcontroller and autonomous programming   d.   Transmitter and micro switches

 

68.  Motor Controls

a.      Have PWM cables for power transmission

b.      Have power controlled through from the power source and are cabled to the microcontroller with PWM cables

c.       Controls robotic motors with wifi

d.      Are not incorporated for use with robotic control

EQUATIONS:

 

69.  Crystal rode her bike 600 miles. She carried a spare tire on the trip. To provide equal wear on all tires, she changed her tires while traveling. How many miles of wear did each tire accumulate?

a.      200

b.      300

c.       400

d.      600

e.      1200

 

70.  Given the equation for thermal expansion: delta L = coefficient of expansion x deltaT x Length, if a material 40 feet long with a coefficient of .00025 is heated 150 degrees, The deltaL = _______________ feet?

a.      0.25

b.      1.5

c.       3.75

d.      40

e.      Not enough information

 

 

 

71.  Given the equation for thermal expansion: deltaL = coefficient of expansion x deltaT x Length, if the coefficient of copper is 0.0000096. The length of a copper object is 100 feet. If the object experiences a 60 degree temperature increase what will the new length of the object be in feet?

a.      100.0000096

b.      100.00096

c.       100.0576

d.      160

e.      Not enough information

72.  Given the equation for thermal expansion: deltaL = coefficient of expansion x deltaT x Length, if a material 120 inches long, with a coefficient of 0.00075 changes 4 inches, the material was heated _______________ degrees.

a.      30

b.      36

c.       44

d.      444

e.      40000

 

73.  A temperature of 45 degrees C is equal to __________ degrees F.

a.      57

b.      97

c.       113

d.      128

e.      156

 

74.  An air conditioner can remove 7500 BTU per hour. This is the equivalent of_________kilowatts. kW = (BTU/h * 0.000293)

a.      2.2

b.      22

c.       220

d.      2200

 

75.  Recall that V = IR and P = VI.  How much power must a 5 volt battery provide to drive a 25 Ohm load?

a.      1/25 watts

b.      1/5 watts

c.       1 watt

d.      5 watts

e.      25 watts

 

 

 

GEARS:

 

76.   If the 32 tooth gear is the input gear, what is the gear ratio?


a.      1:1

b.      1:3

c.       3:1

d.      4:1

e.      1:4


77.   If the leftmost 32 tooth gear turns counterclockwise, which direction will the rightmost 8 tooth gear turn?

a.      Clockwise

b.      Counterclockwise

 

78.  In the gear setup pictures below, the small gears have 8 teeth and the larger ones have 24.  How fast must the upper left axle rotate so that the lower right axle will rotate once per second?


a.      1/3 turn per second

b.      1 turn per second

c.       3 turns per second

d.      9 turns per second

e.      24 turns per second


 

 


79.  If the 32 tooth gear is the input gear what is the gear ratio?


a.      4:3

b.      2:1

c.       1:1

d.      1:2

e.      3:4


 

80.  In the gear setup pictures below, the small gears have 8 teeth and the larger ones have 24.  How fast must the upper left axle rotate so that the so that the wheel on the lower rotate once per second?


a.      1/3 turn per second

b.      1 turn per second

c.       3 turns per second

d.      9 turns per second

e.      27 turns per second


 

 

MANUFACTURING:

 

81.  Mass production of parts requires

a.      Jigs and fixtures

b.      Automation

c.       Time and Motion Studies

d.      Robotics

e.      All of The Above

 

82.  When distance and direction are shown as exact positions, it is called _________ coordinate positioning

a.      relative

b.      wide

c.       narrow

d.      absolute

e.      combination

 

83.  If the X position is 3.5, the Z position is -0.3 and the Y position is 2, the coordinates should be written:

a.      (-.3, 2, 3.5)

b.      (3.5, 2, -.3)

c.       (2, 3.5, -.3)

d.      (3.5, -.3, 2)

 

84.  When drawing in MasterCam, the ______ grid contains points that the cursor can snap to during sketching.

a.      snap

b.      cursor

c.       selection

d.      dot

 

 

 

 

SAFETY:-

85.  If you are injured but it is not serious, you do not need to report it.

a.      True

b.      False

 

86.  You may use power tools in the shop anytime you need to if you have passed the safety test.

a.      True

b.      False

 

87.  Jackets and loose clothing should be removed before working with power tools.

a.      True

b.      False

 

88.  Sandals and open toe shoes are not appropriate footwear in the shop.

a.      True

b.      False

 

89.  You should always stay at least an arm's length from anyone using a power tool.

a.      True

b.      False

 

 

 

 

 

 

 

 

OSHA Safety Colors: Match the correct safety color with what it represents.

(a) waste storage and cleanup areas

(b )signals danger/emergency and fire equipment

(c)    marks walkways, railings, trip hazards and machine clearance areas

(d)   safety equipment and first aid

(e)   safety guards and pinch points

90_____ orange

91_____ blue

92_____ red

93_____ white

94_____ green

95_____ yellow

 

96.  What does OSHA stand for:

g.      occupational safety and health administration

h.      occupations safety and help administration

i.        occupational society for help association

j.        occupations safety and health association

 

97.  What is the function of OSHA?

a.      secure occupational employment for all workers

b.      ensure a safe workplace for all workers

c.       communicate occupational job listings for workers

d.      help workers develop a plan to regulate their health and fitness

 

 

True and False

  1. Accidents need not be reported to the teacher.
  2. It is not necessary to locate and learn to operate all switches and con 

         trols before using the router.

  1. The Upper blade guide should be adjusted to ¼ inch above the stock.
  2. A person who is assisting a fellow student should stand to the right of

         the blade.

  1. The teeth of the band saw blade should be pointed up at the point of

         operation.

  1. One who is cutting curves should cut relief cuts.
  2. The band saw must be at a dead stop when adjustments are made.
  3. The roller bearing on the guide is to prevent the blade from being

         pulled from the lot when backing out.

  1. The belt on the belt sander should be loose so it will not grab wood

         out of the operator’s hands.

  1. When sanding thin stock, a push block should be used.
  2. Federal Safety rules require nip points on belt sanders to be guarded.
  3. If the Sanding Disc becomes loose, one should press the stock on it

         harder.

  1. Adjustments can be made to a closer tolerance when the machine

          running.

  1. The stock should be moved constantly to keep from burning both the

         disc and the stock.

  1. When using a belt sander, a stop should be used to keep the belt from

         throwing the stock.

  1. It is not necessary to select the proper speed on a drill press
  2. The Chuck key should remain in the chuck at all times.
  3. the material to be drilled should be held in the hands.
  4. Long hair must be pulled back or confined into a cap.
  5. Safety glasses need not be worn while using the drill press.
  6. The use of clamps or a drill vise is proper procedure when using the

         drill press.

  1. The Grinder should be stopped before adjusting the bench rest.
  2. Eye protection is not required.
  3. A Cracked grinding wheel should not be used.
  4. it is unsafe to use the grinder with the grinding shroud removed.
  5. a face shield is not necessary when the grinder has a plastic shield.
  6. the side of the wheel is used for rough grinding.
  7. you should force the metal into the wheel to remove the metal faster

 

 

DRAWINGS:

 

126.                     Which of the following is NOT true of an electrical schematic diagram?

a.      represent components with standard symbols

b.      shows how components are interconnected

c.       shows accurate distance and scale of components in circuit

d.      is helpful in troubleshooting a circuit

e.      none of these

 

127.                     The following schematic is an example of what type of circuit?

a.      parallel

b.      series

c.       series-parallel

d.      short

 

128.                     When documenting a part or assembly on a drawing, specialty view are often used to provide more clarity to the part/assembly for fabrication, this view is called:

a.      Alternate Position View

b.      Break View

c.       Section View

d.      Crop View

 

129.                     Identify the illustrated drawing view type:

a.      Projected View

b.      Alternate Position View

c.       Extended View

d.      Aligned Section View

 

 

130.                     Taking dimensions and making sketches of as built parts and facilities while on a walkdown are commonly referred to as:

a.      red line drawings

b.      walk down

c.       finished drawings

d.      as built

 

131.             Which is the correct TOP view in the figure above?

132.             What is the correct FRONT view in the figure below?

 

 

133.                     When you compare the actual size units of a project with the paper size units of a technical drawing of that project you arrive at

a.      the correct paper size units

b.      the correct actual size units

c.       the scale factor for the technical drawing

d.      the full size scale model of the project

 

134.                     The scale factor of a project is important to determine because:

a.      it will help you solve all the other unknown size factors of the scale model

b.      it will make the conversion from english to metric units easier

c.       it will make the conversion from metric to english units easier

d.      it will help to solve how much a project will cost as inflation rises

 

135.             If a cylinder is cut as illustrated below, the

RIGHT SIDE view will contain a/an:

A Circle.

B Ellipse.

C Rectangle.

D Triangle.

 

                                                                            

 

136.             In the figure below, the edge view of surface

                  A” will appear TRUE LENGTH in the:

A Bottom view.

B Front view.

C Right side view.

D Top view.

 

 

 

 

137.             What is the correct TOP view in the figure

          below?

                                                                                              

 

 

ETHICS:

 

138.                     A person's behavior is always ethical when they:

a.      do what is best for his/her self

b.      do what is most profitable

c.       have good intentions no matter how things turn out

d.      do only what the law requires of them

e.      do what is best for everyone

 

139.                     Which of the following ensures that behavior will be ethical?

a.      following the law

b.      following popular cultural "norms."

c.       acting in the best interest of society

d.      all of the above

 

140.                     It is possible to be obeying all laws and still be unethical.

a.      True

b.      False

SYSTEMS ENGINEERING:

Place the following problem solving steps in their proper order FROM FIRST to LAST:

141.   ____________________

142.   ____________________

143.   ____________________

144.   ____________________

145.   ____________________

146.   ____________________

147.   _____________________

148.   ______________________

149.   _______________________

a.      Select a solution

b.      test and evaluate

c.       design and build

d.      Define project Parameters

e.      Solution

f.        redesign

g.      generate ideas or brainstorm

h.         define/identify the problem

i.        Conduct research

PHYSICS:

 

150.                     Heat can be defined as

a.      Static or stable energy

b.      Energy in motion

c.       Undisturbed energy

d.      Latent energy

 

151.                     The purpose of a thermal system is to maintain a desired temperature in a(n)

a.      Open area

b.      Along a distance

c.       Boundary layer

d.      Confined space

 

152.                     One of the main applications of a thermal system is in

a.      Water filtration

b.      Weather prediction

c.       Food preservation

d.      Weight measurement

 

153.                     On the Fahrenheit scale, water boils at?

a.      0 degrees

b.      32 degrees

c.       100 degrees

d.      212 degrees

154.                     The type of fracture in the part below is:


a)      Fracture point

b)      Elasticity fracture

c)      Stress Fracture

d)      Ductile fracture

e)      Tensile fracture

 


 

http://upload.wikimedia.org/wikipedia/commons/thumb/1/1b/DuctileFailure.jpg/250px-DuctileFailure.jpg

 

 

155.                     The following depicts corrosion or::

a)      Aluminum oxidation

b)      Galvanic corrosion

c)      Oxidation of steel

d)      Pitting Corrosion

http://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Rust_and_dirt.jpg/220px-Rust_and_dirt.jpg