Engineering Final 2024

What is the first step in the Engineering Design Process?

• Brainstorm possible solutions

• Identify the need and constraints

• Test and evaluate the prototype

• Reflect

Which of the following is NOT one of the 5 elements of the universal systems model?

• Inputs

• Outputs

• Constraints

• Feedbacks

In the Universal Systems Model, what is considered the most important input?

• Materials

• Information

• People

• Energy

Which of the following is an example of an open loop system?

• Heating and cooling systems in most homes

• Heating your house with a wood stove

• A computer system

• A thermostat-controlled heating system

What is the purpose of feedback in the Universal Systems Model?

• To provide energy to the system

• To compare the result to the original goal

• To increase the ability to do work

• To measure the time taken to complete a task

After a windstorm, Nick called the electric company to report that he had no electricity. His phone call is an example of which of the following elements of the Universal Systems Model?

• Designing a process

• Generating output

• Giving feedback

• Setting a goal

Consider the toaster as an example of a system. Which of the following is the input in this system?

• Temperature setting

• Electricity

• The bread to be toasted

• The heat from the toasting bread

Which of the following is a simple machine that carries a flexible rope, cord, cable, chain, or belt on its rim?

• Pulley

• Wedge

• Screw

• Incline Plane

Which simple machine is a triangular shaped tool, a portable inclined plane, and can separate two objects?

• Pulley

• Wedge

• Screw

• Wheel/Axle

Which simple machine is an inclined plane wound around a rod with a pointed tip?

• Pulley

• Wedge

• Screw

• Wheel/Axle