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HHS- Principles of Engineering NOCTI Review

Total questions: 93

Worksheet time: 1hrs 24mins

Name
Class
Date
1.
What is electricity?
a)
Charged protons.
b)
The flow of electrons in a conductor.
c)
Virtualized plasma radiation beams transmitting energy
d)
Heat flowing through a conductor.
2.
What does DC stand for?
a)
Doodie cookie
b)
Dark Current
c)
Direct Current
d)
dumb clock
3.
What types of energy do wall outlets output
a)
DC
b)
AC
4.
What is not a part of a basic electrical circuit
a)
output
b)
voltage source
c)
load
d)
conductors
5.
What is a closed circuit
a)
the circuit is locked and cannot be changed
b)
the circuit is complete
c)
the circuit is broken
6.
what type of circuit is this
a)
parallel
b)
series
7.

What is the unit for voltage

a)

w

b)

v

c)

ohm

d)

a

8.
Which is the best way to start the testing comfort and effectiveness of a controller?
a)
Mockup
b)
Prototype
c)
Scale Model
d)
Sample
9.
Which step of problem solving helps to determine if a certain product is of value?
a)
Identifying possible solutions
b)
Identify the problem
c)
Implementation
d)
Evaluation
10.
Which of the following formulas is used to determine the area of a circle?
a)
A=πr^2
b)
A=1/2 bh
11.

A drawing is scaled so that 1″ = 16′. A wall section in the scaled drawing measures 3 3/4".

What is the actual dimension of the wall?

a)

30′

b)

48′

c)

54′

d)

60′

12.

Which of the following would be the most likely result if human workers were replaced by robots in a manufacturing assembly line?

a)

an increase in labor costs

b)

a decrease in productivity

c)

a decrease in initial investment

d)

an increase in product reliability

13.
A simple machine that allows you to test your design.
a)
solution
b)
design
c)
prototype
d)
iterative process
14.

Shaping of metal by squeezing them in between two or more dies in order to obtain desire shape is done by?

a)

Forging

b)

Grinding

c)

Welding

15.

Materials are classified as

a)

Natural, plastic, and leather

b)

Natural, synthetic, and mixed

c)

Metal, synthetic, and leather

d)

Metal, plastic, and leather

16.

Manufacturing production systems can be classified as

a)

Customized, batch, and continuous

b)

Natural, batch, and continuous

c)

Customized, synthetic, and continuous

d)

Customized, batch, and natural

17.

The effectiveness of the manufacturing process was increased by the introduction of

a)

Custom made parts

b)

Batch production methods

c)

Interchangeable parts

d)

Natural materials

18.

What is tensile strength?

a)

Measures the material’s resistance to being squeezed.

b)

Measures the material’s resistance to various types of rapidly changing stresses.

c)

Measures the material’s resistance to being pulled apart.

d)

The material’s resistance to permanent indentation.

19.

Compression strength is the measure of what force?

a)

Measures the material’s resistance to being squeezed

b)

Measures the material’s resistance to various types of rapidly changing stresses

c)

The material’s ability to return to its near original shape after a stress has been applied and removed

d)

The material’s resistance to permanent indentation

20.

What is an example of a polymer material type?

a)

Steel roller coasters

b)

Wooden roller coasters

c)

Rubber tires on a car or truck

d)

Table saw blade

21.

What is the primary characteristic of torsion force?

a)

Twisting

b)

Compressing

c)

Pulling

22.
When it comes to conducting effective meetings, and you are speaking, make each person think that you are speaking:
a)
from experience
b)
as an authority
c)
about an important topic
d)
directly to him or her
23.

Referring to thermal systems what is the definition of CONDUCTION?

a)

When heat is transferred from objects like rays of light or electromagnetically.

b)

a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

c)

When heat transfers from objects that are touching.

d)

When heat transfers through the heater or AC in your house.

24.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
25.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
26.

During a heat transfer demonstration, students observed water being pumped around a closed loop in an engine. The moving water carries heat from the hot engine to the radiator where the fins in the radiator transfers the heat away form the engine. Which type of heat transfer is involved when the hot water is cooled in the radiator?

a)

Convection

b)

Conduction

c)

Insulation

d)

Radiation

27.
Why does food wrapped in aluminum foil keep warm for a long time?
a)
Aluminum foil is an insulator and prevents heat loss by conduction.
b)
Aluminum foil forms an air-tight seal and prevents heat loss by convection.
c)
The silver surface of the foil reflects heat in and prevents heat loss by radiation.
d)
The silver surface of the foil absorbs heat from the surroundings and keeps the food warm.
28.
Why do we wear sweaters in cold weather?
a)
To keep cold out.
b)
To generate heat.
c)
To reduce heat loss.
d)
All of the above.
29.
What happens when ice cubes melt in a glass?
a)
Heat travels from the ice to the warmer water.
b)
No energy is transferred.
c)
Heat is transferred from the warmer water to the ice cubes.
d)
The water warms up due to the humidity
30.
In how many ways does heat move around the universe?
a)
One
b)
Three
c)
Two
d)
Ten
31.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
32.
7,000 g = ____ kg
a)
70
b)
700
c)
7
d)
0.07
33.
The amount of matter in an object is the
a)
mass
b)
volume
c)
length
d)
density
34.
Hazards associated with specific chemicals are described in the
a)
Material Safety Data Sheets
b)
Hazard Communication Standard
c)
OSHA Pathogen Standard
d)
OPIM Guidelines
35.
The government agency that is responsible for enforcing safety regulations in the workplace is
a)
CDC
b)
OSHA
c)
DOT
d)
FAA
36.
Fluid power system based on the use of air or another gas
a)
Hydrodynamics 
b)
Liquid Fluid 
c)
Pneumatic 
d)
Fluid Power
37.

The temperature outside is 78 degrees

Fahrenheit . What is the temperature in

Celsius? TC= 5/9 *(F -32) 0r .5555 * (F -32)

a)

60.2 Degrees Celsius

b)

60.2 Celsius Degrees

c)

46 Degrees Celsius

d)

46 Celsius Degrees

38.

Convert 2 meters to Feet.

a)

6.56 feet

b)

75.74 feet

c)

120.26 feet

d)

254 feet

39.

What is engineering?

a)

Using science to solve practical problems to better our environment.

b)

Using math and science to solve practical problems to better our society, economy and environment.

c)

Using math and history to recover past discoveries.

d)

Using man made items to understand nature.

40.

What are the 4 major categories of engineering?

a)

Mechanical, Chemical, Civil, Electrical

b)

Mechanical, Biomedical, Civil, Electronics

c)

Mechanical, Chemical, Structural, Electrical

d)

Mechanical, Biomedical, Structural, Electrical

41.

What engineering is this? Addresses issues related to chemical production, transformation of raw materials, and chemical use.

a)

Civil

b)

Electrical

c)

Chemical

d)

Mechanical

42.

What engineering is this? Designs, develop, and test the manufacture of electrical equipment and large-scale electrical systems.

a)

Civil

b)

Electrical

c)

Chemical

d)

Mechanical

43.

What engineering is this? Researches, develop, design, manufacture, and maintain devices that produce or consume power.

a)

Civil

b)

Electrical

c)

Chemical

d)

Mechanical

44.

What engineering is this? Plans the design, construction, and maintenance of various civil structures.

a)

Civil

b)

Electrical

c)

Chemical

d)

Mechanical

45.

Tension is ...

a)

The action of twisting one end of an object/material relative to the other end.

b)

The strength a material has to resist being pulled apart. If you glue something to the ceiling, the weight of the object tests the glue’s tensile strength.

c)

A material is in compression when its particles are being pushed together.

46.

Compression is ...

a)

The strength a material has to resist being pulled apart. If you glue something to the ceiling, the weight of the object tests the glue’s tensile strength.

b)

A material is in compression when its particles are being pushed together.

c)

The action of twisting one end of an object/material relative to the other end.

47.

Torsion is ...

a)

The strength a material has to resist being pulled apart. If you glue something to the ceiling, the weight of the object tests the glue’s tensile strength.

b)

A material is in compression when its particles are being pushed together.

c)

The action of twisting one end of an object/material relative to the other end.

48.

This bridge has an arc shape with supports at each end. This bridge has materials put in compression.

a)

Beam Bridge

b)

Arc Bridge

c)

Suspension Bridge

d)

Cable-stayed Bridge

49.

This type of bridge uses steel plates or super-strong steel cables. The cables work by putting material in tension.

a)

Beam Bridge

b)

Arc Bridge

c)

Suspension Bridge

d)

Cable-stayed Bridge

50.

This type of bridge is made of wood, iron, steel or concrete. Parts of the material for this bridge are in tension and parts are in compression.

a)

Beam Bridge

b)

Arc Bridge

c)

Suspension Bridge

d)

Cable-stayed Bridge

51.

This type of bridge carry a combination of compression and tension forces and is less bulky (heavy) than other types of bridges.

a)

Beam Bridge

b)

Arc Bridge

c)

Truss Bridge

d)

Cable-stayed Bridge

52.

This type of bridge are held up by cables that are put in tension. This bridge uses less cables than other bridges and the towers holding the cables are shorter.

a)

Beam Bridge

b)

Arc Bridge

c)

Truss Bridge

d)

Cable-stayed Bridge

53.
Engineers may perform services outside of their areas of competence as long as they inform their employer or client of this fact.
a)
true
b)
false
54.
Engineers may express publicly technical opinions that are founded upon knowledge of the facts and competence in the subject matter.
a)
true
b)
false
55.
Engineers shall not reveal facts, data or information without the prior consent of the client or employer except as authorized or required by law or the Code of Ethics.
a)
true
b)
false
56.

What kind of process do engineers use to design and create solutions to problems?

a)

Engineering design process

b)

Scientific Method

c)

Trade Off process

d)

Trial and error process

57.

Which of the following are examples of scientific knowledge sometimes needed in engineering?

a)

Algebra, calculus, and statistics

b)

Statics, Ohm's law, and thermodynamics

c)

The use of computer-aided design software and drawing tools

d)

The use of gauges, meters, and scales

58.

Which of the following are examples of engineering disciplines?

a)

Aerospace engineering, manufacturing engineering, and chemical engineering

b)

Materials engineering, electrical engineering, and civil engineering

c)

Mechanical engineering, biotechnical engineering, and computer engineering

d)

All of the above.

59.

It is usually easy to meet all the specifications of a design while staying within the constraints.

a)

True

b)

False

60.

Early Americans were the first civilization to build structures that used engineering principles.

a)

True

b)

False

61.

The requirements of a design solution are known as _____.

a)

specifications

b)

constraints

c)

must haves

d)

processes

62.

The design, construction, analysis, and troubleshooting of components in aircraft, spacecraft, missiles, and high-altitude vehicles.

a)

Mechanical Engineering

b)

Manufacturing Engineering

c)

Aerospace Engineering

d)

Civil Engineering

63.

A highly trained professional who uses both knowledge and skills to solve problems.

a)

Engineering Technicial

b)

Engineer

c)

Tradesperson

d)

Astronaut

64.

The process of creating the most optimal solution within the specifications and constraints.

a)

Solution

b)

Trade Off

c)

Optimization

d)

Simplification

65.

According to the US Department of Labor, ____ make up the majority of general workplace accidents. Most of these incidents are preventable.

a)

Electrical shocks

b)

Slips, trips, and falls

c)

Repetitive-motion injuries

d)

Improper lifting techniques

e)

Blunt force trauma

66.
It is a good habit in the engineering lab to ______.
a)
Clean up the work area, unplug electrical tools, put materials and tools away
b)
Engage in horseplay and ignore instructions
c)
Design your own projects that have nothing to do with the activity of the day
d)
Work ahead and try to finish before the instructor
e)
Smell and taste the contents of unmarked containers
67.
Which of the following is/are true of a well-kept engineering notebook?
a)
Each page is signed and dated by the author of the notebook
b)
Blank spaces are kept to a minimum
c)
The author only removes pages where he/she made mistakes
d)
All notes are written in pencil, so mistakes can be corrected
e)
A and B
68.
The smallest unit on a set of classroom dial calipers is ____.
a)
Millimeters
b)
Centimeters
c)
Inches
d)
Sixteenths of an inch
e)
Thousandths of an inch
69.
What can be used in an isometric sketch to show features that are hidden from view?
a)
Auxiliary lines
b)
Center lines
c)
Extension lines
d)
Hidden lines
e)
Dimension lines
70.
Which of the following is NOT typically a perspective used in multiview drawings?
a)
Back View
b)
Top View
c)
Side View
d)
Front View
e)
All of these are typically shown in a multiview drawing
71.
“Isometric” means ___.
a)
Equal earth
b)
Phone home
c)
120° each way
d)
Equal measure
e)
Equal geometry
72.
A 2-D graphic representation of an object in which the projecting lines are at right angles to the plane of the projection is called a/an ___.
a)
Parallel projection
b)
Cavalier projection
c)
Orthographic projection
d)
Mercator projection
e)
Cabinet projection
73.
With orthographic projections, a side of an object is represented in ___.
a)
3-D
b)
2-D
74.
Which set of dimensioning standards do most American engineering companies conform to?
a)
ANSI
b)
ISO
c)
Neither of these
75.
In SolidWorks, parameters, dimensions, and relationships allow the user to control ___ intent, which is how you want the model to behave when modifications become necessary.
a)
design
b)
model
c)
shape
d)
extrusion
e)
fillet
76.
In SolidWorks, ___ allows the user move a 2-D object about an axis, for 360° or less, as long as there is no overlap.
a)
Extrude
b)
Rotate
c)
Loft
d)
Sweep
e)
None of the above
77.
Which of the following is NOT a basic operation when applying CSG (Constructive Solid Geometry) approach to CAD modeling?
a)
Join
b)
Cut
c)
Intersect
d)
Delete
78.
In SolidWorks, once you have opened a new part, selected Sketch mode, and chosen a plane to sketch in, what should take first priority in your 2-D drawing?
a)
The shape of the drawing
b)
The dimensions of the drawing
c)
Both characteristics of a sketch are equally important and should be done simultaneously
79.
Which tool will allow the user to round a 90° edge with a desired radius in SolidWorks?
a)
Extrude Boss/Base
b)
Chamfer
c)
Oval/circle tool
d)
Hole wizard
e)
Fillet
80.
In SolidWorks, if you wanted a line and an arc to share exactly one point (or location), which geometric relation would you use?
a)
Tangent
b)
Colinear
c)
Concentric
d)
Parallel
e)
Midpoint
81.
In SolidWorks, which keyboard shortcut brings up the Orientation menu, which is helpful for changing the perspective from which you are viewing the object?
a)
Enter key
b)
Spacebar
c)
Esc
d)
Control + Alt + Delete
e)
NumLock
82.
If SolidWorks you can rotate a model by moving the mouse while holding down the middle mouse button, or you can ___.
a)
Use PageUp and PageDown
b)
Use the arrow keys
c)
Click left mouse or right mouse for plus or minus 30° of rotation per click
d)
Control + “7” or Control + “8”
e)
NumLock
83.
What is meant by saying that a 2-D shape is strong?
a)
It resists deforming.
b)
Its resists breaking.
c)
It smells bad.
d)
It is very flexible.
e)
It can handle massive tensile forces.
84.
Winds, ice storms, hurricanes/typhoons, earthquakes, … In structural engineering, these are examples of _____.
a)
Weather load
b)
Natural disasters
c)
Worst-case scenarios
d)
Working load
e)
Environmental load
85.
In structural engineering, when a beam has been deflected to a point that it no longer returns to its original shape.
a)
Elastic behavior
b)
Plastic behavior
c)
Rigidity test
d)
Extreme deflection
e)
External force
86.
___ is freehand drawing, which is done without the use of drafting equipment.
a)
Board drafting
b)
Sketching
c)
Dodging
d)
CAD
e)
Brainstorming
87.

What is step 5 of the Design Process

a)

Define the problem

b)

Develop a Solution

c)

Construct and Test Prototype

d)

Evaluate the Solution

88.

What is step 5 of the Design Process

a)

Define the problem

b)

Develop a Solution

c)

Construct and Test Prototype

d)

Evaluate the Solution

89.

What is step 4 of the Design Process

a)

Define the problem

b)

Develop a Solution

c)

Construct and Test Prototype

d)

Evaluate the Solution

90.

A written plan that identifies a problem to be solved, its criteria, and its constraints is known as:

a)

Brainstorming

b)

The Design Process

c)

Design Brief

d)

Develop a solution

91.

Part of the design brief is asking what purpose does the product serve.

a)

True

b)

False

92.

Always list these in a design brief:

a)

Decision Matrix

b)

Brainstorming Session

c)

Constraints

d)

Problems with the product

93.

Engineering is the only field that uses a design process

a)

True

b)

False