Question 1

What is the FIRST step of the engineering design process?

Accepted Answer

understand the plan

Answer

brainstorm

Answer

build a prototype

Answer

research the plan

Question 2

What is the purpose of mechanical advantage?

Accepted Answer

to increase the amount of effort we are capable of applying

Answer

to decrease the amount of effort we have to use

Answer

to act only as a distance divider

Answer

to only multiply the force of a object

Question 3

Humans use energy while at rest. Most of this energy is converted in to what type of energy?

Accepted Answer

heat

Answer

motion

Answer

electrical

Answer

kinetic

Question 4

What is the difference between tension and compression?

Accepted Answer

tension pulls apart while compression pushes together

Answer

tension pushes while compression pulls apart

Answer

tension pulls down while compression pushes together

Answer

tension pulls apart while compression twists

Question 5

According to Newton's 2nd Law of Motion, what are two ways to increase force?

Accepted Answer

decrease mass and increase acceleration

Answer

increase mass and decrease acceleration

Answer

decrease mass and decrease acceleration

Answer

increase mass and increase acceleration

Question 6

What is it called when you improve one thing while having a negative effect on something else?

Accepted Answer

engineering tradeoff

Answer

balance point

Answer

Newton's 2nd Law

Answer

transportation ratio

Question 7

How do you increase the lift efficiency ratio and flight times?

Accepted Answer

increase glider area and/or decrease glider weight

Answer

decrease wing plantar area and/or increase glider weight

Answer

increase wing plantar area and/or increase glider weight

Answer

decrease wing plantar area and/or decrease glider weight

Question 8

Which of the following is an advantage of an electric vehicle?

Accepted Answer

they are less polluting

Answer

a short charge time compared to filling a gas tank

Answer

they can be charged anywhere

Answer

their range is longer than a gas powered vehicle

Question 9

What is the term called when Bioengineers use nature as an inspiration for design?

Accepted Answer

Biomimicry

Answer

Suitable

Answer

Adaptable

Answer

Cooperative Engineering

Question 10

What is it called when engineers improve existing technologies or solve technological problems?

Accepted Answer

invention and innovation

Answer

four forces of flight

Answer

lift efficiency ratio

Answer

photovoltaic technology

Question 11

Businesses construct wind turbines on their property for all of these reasons EXCEPT?

Accepted Answer

it is a government requirement

Answer

they can receive tax credits for using renewable energyThis is a wrong answer they can receive tax credits for using renewable energy

Answer

it reduces how much money they spend of electricity

Answer

it reduces the carbon put into the atmosphere

Question 12

What type of device converts electrical energy into mechanical, light, heat, or sound energy?

Accepted Answer

output

Answer

input

Answer

feedback

Answer

process

Question 13

What determines the Factor of Safety (FS)?

Accepted Answer

the more people a structure carries, the higher the FS

Answer

the more expensive structures have a higher FS

Answer

the most attractive structures have a higher FS

Answer

the newer structures have a higher FS

Question 14

For a dragster to leave the starting line, which statement must be true?

Accepted Answer

propulsion must be greater than resistive force

Answer

propulsion force does not apply to this situation

Answer

propulsion force must equal to resistive force

Answer

propulsion force must be less than resistive force

Question 15

If we increase potential energy, what effect does it have on kinetic energy?

Accepted Answer

kinetic energy will increase by the same amount

Answer

kinetic energy will decrease by half of the potential energy

Answer

potential energy can not change to kinetic energy

Answer

kinetic energy will increase by half of the potential energy

Question 16

Who designed and built the first powered heavier-than-air aircraft to successfully fly?

Accepted Answer

The Wright Brothers

Answer

China

Answer

Issac Newton

Answer

Greece

Question 17

Where was the first form of the rocket believed to be developed?

Accepted Answer

Greece

Answer

USA

Answer

Germany

Answer

Russia

Question 18

What is the final step in the engineering design process?

Accepted Answer

communicate your achievements

Answer

test and evaluate

Answer

build it

Answer

identify the problem

Question 19

When making adjustments to an electrical machine, which should you do FIRST?

Accepted Answer

unplug the power cord

Answer

call an electrician

Answer

remove the blade from the machine

Answer

cut the power cord

Question 20

Which of the following is NOT a type of electrical output?

Accepted Answer

torque

Answer

amps

Answer

watts

Answer

voltage

Question 21

The most important aspect of any construction project is?

Accepted Answer

how safe it is

Answer

how much it cost

Answer

how good it looks

Answer

how popular it is

Question 22

What is a common output device in a robotic system?

Accepted Answer

motor

Answer

sequence

Answer

speed

Answer

sensor

Question 23

Which of the following is an example of an input device?

Accepted Answer

touch switch/sensor

Answer

servo motor

Answer

lights

Answer

DC motor

Question 24

What protective item must be worn when using power tools?

Accepted Answer

goggles

Answer

open toed shoes

Answer

work gloves

Answer

face mask

Question 25

Where do engineers get information to create technology?

Accepted Answer

science

Answer

by experimenting

Answer

Issac Newton

Answer

by accident

Question 26

Why is shape an important factor when designing a shelter for warmth?

Accepted Answer

the lower the square footage, the warmer the shelter

Answer

shape is not a factor when designing a shelter for warmth

Answer

the higher the R-value, the warmer the shelter

Answer

the higher the surface area, the warmer the shelter

Question 27

Who developed the concept of interchangeable parts?

Accepted Answer

Eli Whitney

Answer

Albert Einstein

Answer

Alfred Nobel

Answer

The Wright Brothers

Question 28

Wedge, pulley, wheel and axle, lever and screw are considered what type of machines?

Accepted Answer

simple machines

Answer

sewing machines

Answer

complicated machines

Answer

medical machines

Question 29

Which of the following correctly describes the direction of drag?

Accepted Answer

drag opposes forward motion

Answer

drag is always parallel to the ground

Answer

drag helps a rocket go up

Answer

drag always points toward the ground

Question 30

Which is NOT one of the four forces of flight?

Accepted Answer

wing plantar area

Answer

lift

Answer

thrust

Answer

weight

Question 31

What happens when wheel diameter is increased?

Accepted Answer

distance increases but force decreases

Answer

distance decreases and force decreases

Answer

distance increases and force increases

Answer

distance decreases and force increases

Question 32

What is likely to happen if the voltage of a power source is greater than the voltage of an output device?

Accepted Answer

it will overheat and can cause a fire

Answer

the motor will continue to run

Answer

voltage doesn't matter on an output device

Answer

the resister will always resist the flow on an output device

Question 33

How does Photovoltaic technology work?

Accepted Answer

they capture sun's rays and convert it into electrical power

Answer

they capture sun's rays and convert it into wind power

Answer

they capture sun's rays and convert it into solar power

Answer

they capture sun's rays and convert it into gas

Question 34

What happens if your prosthetic body parts are not biocompatible?

Accepted Answer

your body rejects them

Answer

they change your original bone structure

Answer

prosthetic parts don't need to be biocompatible

Answer

they weld them into place so that they become biocompatible

Question 35

What do sensors (input devices) on a robot do?

Accepted Answer

measure environmental conditions; convert them to electrical

Answer

they give a set of commands to the machine called automation

Answer

change the voltage so they don't overheat

Answer

drop the watts to an acceptable level on the motor

Question 36

What order does conduction happen?

Accepted Answer

stove, pot, water

Answer

stove, water, pot

Answer

water, pot, stove

Answer

pot, stove, water

Question 37

Which material would be a good conductor of heat?

Accepted Answer

metal

Answer

stone

Answer

plastic

Answer

wood

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