Introduction to Engineering

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Questions and Answers

What is considered the most important aspect of an engineer's role?

Safety of the public (correct)

High efficiency

Innovative design

Low operating costs

Which of the following is NOT one of the traditional engineering majors listed?

Civil Engineering

Environmental Engineering

Chemical Engineering

Nuclear Engineering (correct)

Which engineering discipline primarily focuses on infrastructure and buildings?

Environmental Engineering

Architectural Engineering (correct)

Chemical Engineering

Mechanical Engineering

What does low operating and maintenance costs imply for engineering solutions?

Reduced long-term expenses Signup and view all the answers

Which engineering field would most likely deal with pollution and natural resources?

Environmental Engineering Signup and view all the answers

What is the primary role of an engineer?

To use scientific knowledge to solve practical problems Signup and view all the answers

Which of the following roles is NOT typically associated with an engineer?

Administrative assistant Signup and view all the answers

In the engineering hierarchy described, who is at the top of the pyramid?

Engineers Signup and view all the answers

Which characteristic is essential for an engineer apart from their technical knowledge?

Leadership within engineering teams Signup and view all the answers

Which of the following best describes an engineering technologist in the engineering hierarchy?

They play a supporting role to engineers. Signup and view all the answers

What is the primary focus of products designed to make life easier?

Improving convenience and efficiency in daily tasks Signup and view all the answers

How do inventions contribute to the welfare of society?

By providing useful tools and resources for the community Signup and view all the answers

Which of the following best represents a consequence of innovations designed to enhance convenience?

Enhanced connectivity and improved daily life Signup and view all the answers

What is a potential drawback of focusing solely on making life easier through inventions?

Dependence on technology for simple tasks Signup and view all the answers

In what way can products that aim to enhance convenience affect social interactions?

They can discourage face-to-face communication. Signup and view all the answers

During which time period was gunpowder perfected?

A.D. 1--1000 Signup and view all the answers

What industries continued to grow between 1000 and 1400?

Silk and glass Signup and view all the answers

Which of the following developments occurred first in the provided timeline?

The perfection of gunpowder Signup and view all the answers

What material is commonly used for firefighters' clothing?

Rayon Signup and view all the answers

What is the significance of the period A.D. 1--1000 in terms of technology?

Gunpowder was invented. Signup and view all the answers

Which of the following items can be made from sisal?

Rope and twine Signup and view all the answers

What is rayon primarily derived from?

Vegetable matter Signup and view all the answers

Which statement accurately reflects the developments between A.D. 1--1400?

Silk and glass industries thrived during the latter period. Signup and view all the answers

Which of these is NOT typically made from rayon?

Rope Signup and view all the answers

What property makes sisal a favorable material for certain applications?

It is easy to grow and hardy Signup and view all the answers

Which prefix represents a factor of 10⁶?

mega Signup and view all the answers

What is the symbol for the prefix that represents one billion?

G Signup and view all the answers

Which derived unit is expressed in terms of meters and kilograms per second squared?

newton meter Signup and view all the answers

What is the derived unit for dynamic viscosity?

pascal second Signup and view all the answers

Which of the following represents the unit for heat flux density?

W/m² Signup and view all the answers

What is the name of the derived unit for specific heat capacity?

joule per kilogram kelvin Signup and view all the answers

Which prefix corresponds to a factor of 10⁻³?

milli Signup and view all the answers

What is the correct derived unit for entropy?

J/kg Signup and view all the answers

Which derived unit measures electric field strength?

volt per meter Signup and view all the answers

What unit is used to express radiant intensity?

W/(m²·sr) Signup and view all the answers

In SI units, how is the moment of force expressed?

N·m Signup and view all the answers

Which prefix denotes one quintillion in the SI system?

exa Signup and view all the answers

Which of the following factors represents yocto?

10⁻²⁴ Signup and view all the answers

Which derived unit is used for measuring catalytic activity concentration?

kat/m³ Signup and view all the answers

Study Notes

Lecture 1

An engineer is a person who uses scientific knowledge to solve practical problems
Key roles of an engineer include: designer, decision maker, innovator, and leader of an engineering team
Different levels of engineers exist in a hierarchy: engineer, engineering technologists, engineering technicians, and craftsmen

Engineering Majors

Traditional engineering majors include: Electrical, Mechanical, Civil Engineering, Architectural, Chemical, Construction, Environmental, and Computer Engineering.

Value of Engineering

Safety of the public is a priority
Low operating and maintenance costs are desirable
Products that make life easier are valuable
Welfare of society is important
Communication to link people is essential
Infrastructure development is crucial

Foundations of Engineering

Aerospace, Electrical, Chemical, Petroleum, Civil, Mechanical, Ocean, Environmental, Agricultural

Pioneers in Engineering

Imhotep, William Gilbert, Thomas Newcomen, George Cayley
Alan Emtaje

Lecture 2

Time periods and developments (1200 BC - 1825)

Lecture 3

There are seven base units of SI (International System of Units)
SI base units include: Length (meter), Mass (kilogram), Time (second), Electric current (ampere), Thermodynamic temperature (kelvin), Amount of substance (mole), Luminous intensity (candela)
Cubit, Hand, Foot measurements and conversions

Lecture 4

Fibers are tiny parts of plant or animal tissues
Natural fibers are from natural sources (cotton, silk, wool, linen, jute)
Manufactured fibers are artificial or man-made (rayon, acetate, bamboo)
Properties and uses of various fibers

Lecture 5

Textile craft is one of the oldest technologies, invented by the ancient Egyptians
Types of fabrics include woven, knitted, and non-woven
History of weaving, including wooden hand looms

Lecture 6

Different types of weaving machines: projectile loom, rapier loom, air jet loom
Circular weaving machine, full garment flat knitting machine
Warp-knitting, non-woven fabrics, and their properties and main applications

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Description

Explore the fundamental concepts of engineering through this quiz. Learn about the roles of engineers, various engineering majors, the value they bring to society, and the key pioneers who have influenced the field. Test your knowledge on the foundational aspects of engineering and its impact on everyday life.