Historical drivers - Week 1 Flashcards
1
Q
What is power?
A
- Power is the amount of
energy transferred or
converted per unit time - Power is work (joules)
per time (second) = 1
watt
2
Q
What is power the derivative of?
A
Work
3
Q
What is work the product of?
A
Work is the product of
force and distance
4
Q
What revolutionized the transmission of power?
A
The production of electricity with electromagnetic induction, the
transmission of electricity through copper wires, and the development of electric motors
5
Q
Who was the first person to build a working four-stroke
engine?
A
Nicolaus Otto (~1861)
6
Q
What did Henry Bessemer (1813-1898) do?
A
- He invented the first inexpensive industrial
process for the mass production of steel from molten pig iron - The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron
- The oxidation also raises the temperature of the iron mass and
keeps it molten
7
Q
What are the 3 pillars of sustainable development?
A
- Social
- Environmental
- Economic
