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WorksheetsEngineering & Tech Ed EOC - 2018
Total questions: 37
Worksheet time: 37mins
What is the FIRST step of the engineering design process?
build a prototype
understand the plan
research the plan
brainstorm
What is the purpose of mechanical advantage?
to only multiply the force of a object
to act only as a distance divider
to decrease the amount of effort we have to use
to increase the amount of effort we are capable of applying
Humans use energy while at rest. Most of this energy is converted in to what type of energy?
electrical
kinetic
motion
heat
What is the difference between tension and compression?
tension pulls apart while compression twists
tension pushes while compression pulls apart
tension pulls down while compression pushes together
tension pulls apart while compression pushes together
According to Newton's 2nd Law of Motion, what are two ways to increase force?
increase mass and increase acceleration
decrease mass and increase acceleration
increase mass and decrease acceleration
decrease mass and decrease acceleration
What is it called when you improve one thing while having a negative effect on something else?
engineering tradeoff
transportation ratio
Newton's 2nd Law
balance point
How do you increase the lift efficiency ratio and flight times?
increase wing plantar area and/or increase glider weight
decrease wing plantar area and/or decrease glider weight
decrease wing plantar area and/or increase glider weight
increase glider area and/or decrease glider weight
Which of the following is an advantage of an electric vehicle?
their range is longer than a gas powered vehicle
a short charge time compared to filling a gas tank
they can be charged anywhere
they are less polluting
What is the term called when Bioengineers use nature as an inspiration for design?
Cooperative Engineering
Adaptable
Biomimicry
Suitable
What is it called when engineers improve existing technologies or solve technological problems?
four forces of flight
photovoltaic technology
lift efficiency ratio
invention and innovation
Businesses construct wind turbines on their property for all of these reasons EXCEPT?
it is a government requirement
it reduces how much money they spend of electricity
it reduces the carbon put into the atmosphere
they can receive tax credits for using renewable energyThis is a wrong answer they can receive tax credits for using renewable energy
What type of device converts electrical energy into mechanical, light, heat, or sound energy?
input
output
process
feedback
What determines the Factor of Safety (FS)?
the more expensive structures have a higher FS
the more people a structure carries, the higher the FS
the most attractive structures have a higher FS
the newer structures have a higher FS
For a dragster to leave the starting line, which statement must be true?
propulsion force must equal to resistive force
propulsion force does not apply to this situation
propulsion force must be less than resistive force
propulsion must be greater than resistive force
If we increase potential energy, what effect does it have on kinetic energy?
kinetic energy will decrease by half of the potential energy
kinetic energy will increase by the same amount
kinetic energy will increase by half of the potential energy
potential energy can not change to kinetic energy
Who designed and built the first powered heavier-than-air aircraft to successfully fly?
China
The Wright Brothers
Issac Newton
Greece
Where was the first form of the rocket believed to be developed?
USA
Germany
Russia
Greece
What is the final step in the engineering design process?
build it
identify the problem
communicate your achievements
test and evaluate
When making adjustments to an electrical machine, which should you do FIRST?
cut the power cord
unplug the power cord
call an electrician
remove the blade from the machine
Which of the following is NOT a type of electrical output?
voltage
watts
torque
amps
The most important aspect of any construction project is?
how safe it is
how much it cost
how popular it is
how good it looks
What is a common output device in a robotic system?
sequence
speed
sensor
motor
Which of the following is an example of an input device?
lights
servo motor
touch switch/sensor
DC motor
What protective item must be worn when using power tools?
face mask
work gloves
open toed shoes
goggles
Where do engineers get information to create technology?
science
Issac Newton
by experimenting
by accident
Why is shape an important factor when designing a shelter for warmth?
the higher the R-value, the warmer the shelter
the lower the square footage, the warmer the shelter
the higher the surface area, the warmer the shelter
shape is not a factor when designing a shelter for warmth
Who developed the concept of interchangeable parts?
Eli Whitney
Albert Einstein
The Wright Brothers
Alfred Nobel
Wedge, pulley, wheel and axle, lever and screw are considered what type of machines?
sewing machines
simple machines
complicated machines
medical machines
Which of the following correctly describes the direction of drag?
drag opposes forward motion
drag helps a rocket go up
drag always points toward the ground
drag is always parallel to the ground
Which is NOT one of the four forces of flight?
thrust
lift
weight
wing plantar area
What happens when wheel diameter is increased?
distance decreases and force decreases
distance increases and force increases
distance decreases and force increases
distance increases but force decreases
What is likely to happen if the voltage of a power source is greater than the voltage of an output device?
voltage doesn't matter on an output device
the resister will always resist the flow on an output device
it will overheat and can cause a fire
the motor will continue to run
How does Photovoltaic technology work?
they capture sun's rays and convert it into electrical power
they capture sun's rays and convert it into wind power
they capture sun's rays and convert it into solar power
they capture sun's rays and convert it into gas
What happens if your prosthetic body parts are not biocompatible?
prosthetic parts don't need to be biocompatible
they change your original bone structure
your body rejects them
they weld them into place so that they become biocompatible
What do sensors (input devices) on a robot do?
drop the watts to an acceptable level on the motor
change the voltage so they don't overheat
they give a set of commands to the machine called automation
measure environmental conditions; convert them to electrical
What order does conduction happen?
stove, pot, water
water, pot, stove
pot, stove, water
stove, water, pot
Which material would be a good conductor of heat?
wood
metal
plastic
stone
