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Worksheets6th-8th Grade Tech/Eng MCAS Review
Total questions: 48
Worksheet time: 37mins
8.ETS.2.05: The picture below shows a group of sharp steel strips arranged in a pattern that is used to manufacture cardboard jigsaw puzzles. What is the purpose of the group of steel strips?
to cut the puzzle pieces out of cardboard
to join the puzzle pieces together for packaging
to assemble the puzzle pieces for store displays
to finish the puzzle pieces by smoothing the cardboard
7.ETS.3.05: A computer touch screen allows users to enter information. Users have complained that the touch screen is too difficult to operate because the system does not indicate when a choice has been selected.
The complaints are which element of the universal systems model?
feedback
goal
inputs
processes
7.ETS.3.04: In a house, cracks are forming in the walls, around the corners of several doors, and around the windows. The cracks are forming because the house is constructed on unstable ground.
Which of the following parts of the house should be strengthened to prevent the cracks from getting worse?
the decking
the foundation
the roofing
the siding
7.ETS.3.03: Which of the following statements best explains why helicopters are usually more effective than airplanes for search-and-rescue operations in mountainous regions?
Helicopters can land safely in smaller areas.
Helicopters can fly faster to reach their destination.
Helicopters can fly longer distances without refueling.
Helicopters can stay in the air longer in bad weather conditions.
6.ETS.2.03: Which of the following describes the proper use of a tool?
A screwdriver is used to bend a thick wire.
A pair of pliers is used to cut thin sheets of metal.
A wrench is used to push a nail into a piece of wood.
A drill press is used to make a hole at a precise angle.
6.ETS.1.05: A city street must be widened. The street cannot be too close to the buildings on it.
Which of the following would best show how close the widened street would be to the buildings?
floor plans of each building
photographs of each building
site plans of the areas in front of each building
photographs of the views from the front doors of each building
What is the source?
keyboard
laptop's processor
phone
Wi-Fi
What is the encoder?
keyboard
laptop's processor
phone
Wi-Fi
What is the transmitter?
keyboard
laptop's processor
phone
Wi-Fi
What is the receiver?
keyboard
laptop's processor
phone
Wi-Fi
The manufacture should use _____ for the bottom of the pan, and ______ for the handle.
aluminum, copper
iron, aluminum
stainless steel, iron
copper, stainless steel
is to change the shape of a material without cutting it.
casting
forming
process
molding
is to prepare a material for another step.
conditioning
forming
process
molding
is to put multiple pieces together to form a product.
separating
forming
assembling
molding
is the final step in manufacturing and it to make the product look attractive or look good.
separating
finishing
assembling
molding
In the illustration below, a thick sheet of metal is being passed through two large rollers to produce a thinner sheet. Which type of manufacturing process is being used?
casting
forming
molding
separating
A pickup truck fully loaded with cargo weighs 5000 lb. If the cargo weighs 1000 lb., what is the dead load of the truck?
1000 lb.
4000 lb.
5000 lb.
6000 lb.
Which of the following would be the most likely result if human workers were replaced by robots in a manufacturing assembly line?
an increase in labor costs
a decrease in productivity
a decrease in initial investment
an increase in product reliability
A remotely controlled robotic arm is used in the cleanup of contaminated areas. Which of the following best describes why robotics rather than humans are used for this task?
to prevent site investigation by OSHA
to minimize expense of safety equipment
to avoid human exposure to hazardous waste
to limit human exposure to poor weather conditions
The picture shows a television satellite dish. The satellite dish is an example of which of the following components of a television communications system?
decoder
encoder
receiver
transmitter
What is the best form of transportation to deliver coal from Pennsylvania to Kentucky?
truck
train
ship
airplane
What two things determine whether or not engineering solutions are successful?
If it stays within the constraints
If it looks cool
If it solves a problem
If it meets the criteria
Which material would work best for a sports bottle?
fabric
paper
glass
plastic
Which material would work best for a window?
fabric
metal
glass
rubber
is where you keep the information.
source
reveiver
retrieval
storage
What are three benefits to using the internet vs. radio to transmit information?
Internet can transmit pictures, text, and audio.
Internet can transmit information to more people.
Internet is a form of two way communication.
Internet transmits information slower than radio.
Which transportation subsystem describes the basic framework of a vehicle?
Structural
Control
Suspension
Guidance
Propulsion
Which transportation subsystem describes the parts of a vehicle that support the weight?
Structural
Control
Suspension
Guidance
Propulsion
Which transportation subsystem describes the parts of a vehicle that provide the force to move it?
Support
Control
Suspension
Guidance
Propulsion
On a bike, the pedals are part of which subsystem?
Structural
Control
Suspension
Guidance
Propulsion
A force that acts perpendicular to the axis of the member, causing the internal particles of the member to slide against each other.
Compression
Shear
Torsion
Tension
Fixed loads such as the weight of the buildings components and the equipment with-in:
Lateral Loads
Live Loads
Dead Load
Section Load
