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Worksheets

Reverse Engineering

Total questions: 19

Worksheet time: 15mins

Name
Class
Date
1.

Ricky purchased a used iPad 3 in order to take it apart to study both the subsystems and how it operates. This is an example of:

a)

the universal system.

b)

forward engineering.

c)

core technology.

d)

reverse engineering.

2.

If Fred were to design a new cell phone and builds a replica of the case, he would be constructing a/an:

a)

duplicate.

b)

mock-up.

c)

prototype.

d)

experiment.

3.

When you build and test a design in order to collect realistic data regarding its performance is called:

a)

duplicate.

b)

mock-up.

c)

prototype.

4.

Following a step-by-step process to build a functional system is called:

a)

forward engineering.

b)

duplicate.

c)

reverse engineering.

d)

sankey diagram.

5.

ACME, INC. lost the original blueprints to produce a classic toy. With the toy becoming popular again, the company conduct __________ in order to record the subsystems used in addition to the step-by-step process to make it.

a)

universal system

b)

reverse engineering

c)

fatigue test.

d)

troubleshooting.

6.

When testing electric motors, students discovered that when the input power increased, the speed of the motor shafts increased. Which graphical representation would best enable the students to systematically examine this relationship?

a)

Bar chart

b)

Line graph

c)

Pie chart

d)

Scatter plot

7.

Engineers developed a product that is too large to build and to test a prototype. In order to save its budget (moneys), the team must conduct _____ in order to collect data and to determine the product's quality and performance.

a)

a mock-up.

b)

reverse engineering.

c)

computer-based simulation.

d)

tensile test.

8.

The productivity of a design may be established by testing a:

a)

prototype.

b)

working drawing.

c)

mock-up.

d)

conceptual model.

9.

When looking at the front view of a visual object in an orthographic drawing, the missing dimension from the view would be the:

a)

thickness.

b)

width.

c)

depth.

d)

height.

10.

Which step of the engineering design process would use a graph to communicate the results?

a)

Defining a problem

b)

Exploring possibilities

c)

Making a prototype

d)

Evaluating the design

11.

What is the best choice for communicating information about the design process used to develop a plan for a new mass transit system?

a)

A three-dimensional model of a bus that runs on ethanol

b)

Drawings of different mass-transit routes

c)

A list of ideas about mass-transit problems

d)

A flowchart showing steps developing the plan

12.

Tim is experimenting with different size bowling balls. He notices that even though he throws the different balls at the same speed, that the larger balls tend to cause the pins to move farther and faster when hit. The larger bowling balls have more of what type of energy?

a)

Mechanical

b)

Radiant

c)

Chemical

d)

Electrical

13.

Which energy resource is considered renewable?

a)

Solar

b)

Oil

c)

Natural Gas

d)

Uranium

14.

When atoms are split, they release a lot of thermal energy. The reaction must be controlled, or a reactor can overheat causing a meltdown. A reactor meltdown is a concern related to what type of energy?

a)

Nuclear energy

b)

Radiant energy

c)

Mechanical energy

d)

Electrical energy

15.

Which material is commonly used for nuclear energy?

a)

Coal

b)

Uranium

c)

Petroleum

d)

Solar

16.

In a nuclear fission reaction, what is considered to be the process?

a)

The uranium atoms

b)

The electricity

c)

Homes and business

d)

The splitting of the atoms

17.

If fission means to split an atom, then _ means to combine atoms.

a)

Uranium

b)

Phosphate

c)

Fussion

d)

Zinc

18.

Many of today's largest aircraft carriers use heavy atoms as fuel, and the atoms are split in a fission reactor. This reaction generates heat that is used to produce steam. The steam then spins a turbine and thus the propeller. Which statement explains the progression of energy through this system?

a)

Nuclear to thermal to mechanical

b)

Chemical to thermal to nuclear

c)

Nuclear to radiant to chemical

d)

Chemical to nuclear to mechanical

19.

A hydroelectric dam uses flowing water to spin a turbine which in turn spins a generator which produces electricity. The input of the hydroelectric dam is the mechanical energy in the flowing water. What type of energy is the output of the dam?

a)

Electrical

b)

Radiant

c)

Chemical

d)

Nuclear