WorksheetsEngineering Technology Foundations Practice Test
Total questions: 71
Worksheet time: 52mins
Fluid power system based on the use of air or another gas
Liquid Fluid
Pneumatic
Hydrodynamics
Fluid Power
What is area and perimeter of this rectangle?
Area = 84cm², Perimeter = 38cm
Area = 38cm², Perimeter = 84cm
Area = 19cm², Perimeter = 84cm
Area = 84cm², Perimeter = 19cm
What is the volume of this rectangular prism?
70 cm³
14 cm³
35 cm³
37 cm³
K H D B D C M Multiply Divide 7,000 g = ____ kg
700
7
0.07
70
Measuring instrument used to measure the electric current in a circuit.
Pyrometer
Oscilloscope
Multimeter
Ammeter
The way the heat is moving from the hot coffee is called...
radiation
conduction
insulation
convection
Current is measured in
Watts
Voltage
Amps
Resistance
What kind of heat transfer happens when the sun is heating your body?
Conduction
Convection
Density
Radiation
What is this symbol for?
resistor
battery
light bulb
switch
What type of signal is represented by continuous values?
Digital Signal
Closed Signal
Analog Signal
Open Signal
Hazards associated with specific chemicals are described in the
OSHA Pathogen Standard
Material Safety Data Sheets
OPIM Guidelines
Hazard Communication Standard
Several college students want to design and build a solar-powered car. They have chosen a design. Which of the following should they do next to follow an engineering design process?
Use the design to mass-produce solar-powered cars.
Research the demand for solar-powered cars.
Sell the design to a car company.
Build a prototype of the car.
How many views are usually necessary in order to describe an object using an orthographic projection? (An orthographic projection is a 2D drawing of a 3D object)
1 or 2
2 or 3
5 or 6
4 or 5
Engineers use CAD software to show
what materials will be used to make it
what the product will look like
how it will work
how it should be made
The voltage of a circuit that has a resistance of 10 ohms and a current of 1.5 A is
15 V
0.15 V
None of these
6.7 V
The ability to bring a desired result with the least waste of time, energy, or material.
Feedback
Computer Aided Manufacturing
Efficiency
Automation
A simple machine that allows you to test your design.
design
solution
iterative process
prototype
Volume is measured in
Grams
Liters
Meters
Ounces
Use of liquids or gases under pressure to move objects or perform other tasks.
Flow Chart
Fluid Power
Closed Loop System
Hydraulics
The effectiveness of the manufacturing process was increased by the introduction of
Interchangeable parts
Custom made parts
Natural materials
Batch production methods
The power formula is
Power = Current - Voltage
Power = Current x Resistance
Power = Current + Voltage
Power = Current x Voltage
What is an example of a polymer material type?
Wooden roller coasters
Table saw blade
Rubber tires on a car or truck
Steel roller coasters
What is the primary characteristic of torsion force?
Twisting
Pulling
Compressing
Locating and finding the cause of problems related to technological products or systems.
Scanning
Efficiency
Trouble Shooting
Browsing
The automation of machine tools by means of computers executing pre-programmed sequences of machine control commands among multi-axis coordinate planes.
Computer Alphabetical Control (CAC)
Computer Numerical Control (CNC)
Computer Cryptographic Control (CCC)
An improvement of an existing technological product, system, or method of doing something.
Invention
Revamp
Innovation
Re-create
As the resistance of a circuit increases, the current will
stay the same
decrease
increase
A diagram that shows step-by-step progression through a procedure or system especially using connecting lines and a set of conventional symbols.
Flow Chart
Open Loop System
Close Loop System
Analog Signal
The difference in electrical potential energy between two places is called
induction
voltage
resistance
friction
The amount of matter in an object is the
length
density
volume
mass
What is tensile strength?
Measures the material’s resistance to various types of rapidly changing stresses.
Measures the material’s resistance to being squeezed.
The material’s resistance to permanent indentation.
Measures the material’s resistance to being pulled apart.
If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?
12 V
5 V
20 V
0.2 V
A new product, system, or process that has never existed before, created by study and experimentation.
Model
Invention
Prototype
Innovation
What is the definition of CONDUCTION?
When heat transfers through the heater or AC in your house.
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
When heat is transferred from objects like rays of light or electromagnetically.
When heat transfers from objects that are touching.
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. Which type of heat transfer is involved when the cooler water absorbs heat while in contact with the hot engine?
Insulation
Conduction
Convection
Radiation
Convert 8 kilometers to meters
8,000 m
800 m
.008 m
80,000 m
The front view of a piece of equipment is shown in the diagram below. Which of the following conclusions about the piece of equipment can be made from this diagram?
It has two types of material.
It has strength in compression and tension.
It has two holes.
It has the same length and width.
This is the symbol for a (a) ?
switch
battery
light
wires
In their profession, each individual engineer is responsible for:
the choices of their employer
the decisions of the National Society of Professional Engineers
their own ethical conduct
the actions of their client
Respiratory PPE is most important when:
using wood glue
sanding down surfaces
using power tools
maintaining equipment
The manufacturing process called "casting" is achieved by:
3D printing with ABS filament
machining the material on a CNC
forcing liquid plastic into a mold
pouring molten metal into a mold
A quality control chart can be used to graph how accurately sample production part measurements meet:
specifications
matrices
calculations
preferences
A parts library in a CAD program makes it more efficient to:
create a BOM
find parts suppliers
add commonly used parts/components to a drawing
insert unique parts/components to a drawing
What type of software should be used to communicate key points to the client during a meeting?
spreadsheet
web browser
word processing
presentation
When a micrometer reads 2.468 inches for a hole that is to be bored to 2.473 inches the hole is considered:
0.003 in oversize
0.003 in undersize
0.005 oversize
0.005 undersize
By using a spreadsheet for reporting data, an engineer can produce:
new designs for the future
tables, charts, graphs, visual formats
sales brochures
voluminous reports
When a force of 5 lb is applied to the E and the resultant force is 15 lb to the NE, what is the second force being added?
3 lb N
3 lb W
14.14 lb N
14.14 lb W
A circular gear that engages a linear gear which transforms circular motion into linear motion is called:
rack & pinion
spur gear
worm gear
bevel gear
A piston with a 4 in diameter is powered by a hydraulic hose. If the piston exerts 500 lb of force, what pressure is the hose providing?
9.95 psi
39.79 psi
449.73 psi
487.73 psi
If a force of 200 N is applied uniformly over an area of 4 m², what is the resulting pressure?
50 Pa
0.02 Pa
800 Pa
196 Pa
Pascal's law states that a force is equal to _____ multiplied times its area.
pressure
volume
acceleration
temperature
Using Ohm's Law, how much current is passing through a simple circuit with 15.5 volts of electromotive force and 2 ohms of resistance?
3.1 amps
7.75 amps
31 amps
77.5 amps
What is the Fahrenheit equivalent to 35 degrees Celsius?
87 F
95 F
112 F
115 F
Meeting customer needs is the ____ of any project.
top priority
lowest priority
preferred outcome
best case scenario
Which of the following temperatures is equivalent to 0°C?
212°F
100°F
32°F
0°F
Creating a prototype using a 3D printer is considered a ____ process.
inaccurate
subtractive
time consuming
additive
Modeling and simulation are often used in the design process before moving on to:
visualization
prototyping
research
brainstorming
During the prototype testing phase ____ should be conducted.
Design Failure Mode & Effects Analysis (DFMEA)
sharing the project results
Geometric Dimensioning & Tolerancing (GD&T)
brainstorming sessions
An occupation that deals with the design, construction, and maintenance of the naturally built environment including public works such as bridges, canals, roads, dams, airports, sewage systems, structural components of buildings and railways is called:
civil engineering
electrical engineering
mechanical engineering
environmental engineering
Why does food wrapped in aluminum foil keep warm for a long time?
Aluminum foil is an insulator and prevents heat loss by conduction.
The silver surface of the foil reflects heat in and prevents heat loss by radiation.
Aluminum foil forms an air-tight seal and prevents heat loss by convection.
The silver surface of the foil absorbs heat from the surroundings and keeps the food warm.
If a circuit has a voltage of 12 V and a resistance of 4 ohms, what is the current?
0.33 A
48 A
8 A
3 A
What is the pressure in a hydraulic system if a piston with a 2 in diameter exerts 200 lb of force?
31.83 psi
63.66 psi
159.15 psi
200 psi
______________ engineers are employed in industries whose workers design or build aircraft, missiles, systems for national defense, or spacecraft.
Mechanical
Aeroflight
Electrical
Aerospace
If the temperature outside is 68°F, what is it in Celsius?
25°C
20°C
15°C
10°C
________ engineers solve problems concerning power supplies, machine efficiency, the use of structures and facilities, pollution and environmental issues, and the storage and processing agronomy products.
Environmental
Civil
Agricultural
Chemical
Calculate the pressure produced by a force of 800 N acting on an area of 2.0 m
0.0025 Pa
400 Pa
1600 Pa
802 Pa
________ engineers combine engineering principles with medical sciences to design and create equipment, devices, computer systems, and software.
Biomedical
Electrical
Industrial
Civil
__________ engineers apply the principles of chemistry, biology, physics, and math to solve problems that involve the use of fuel, drugs, food, and many other products
Civil
Agricultural
Chemical
Civil
_____________ engineers design, develop, test, and supervise the manufacture electrical motors, radar and navigation systems, communications systems, or power generation
Aerospace
Chemical
Electrical
Petroleum
________ engineers design, develop, build, and test mechanical and thermal sensors and devices.
Aerospace
Electrical
Chemical
Mechanical
What is the formula to convert a temperature from Celsius (°C) to Fahrenheit (°F)?
°F = (°C × 1.8) + 32
°F = (°C × 2) + 30
°F = (°C × 1.5) + 20
°F = (°C ÷ 1.8) + 32
