Alternative Energy Day 4 Paxton Patterson

Central Systems produce temperatures up to _________degrees Fahrenheit .

2,000

STC collectors focus the sunlight on a single focal point that can reach temperatures up to

2,000 degrees Farenheit

The surface temperature of the worlds tropical oceans is around _________ degrees Fahrenheit.

84

Who first proposed the idea of solar energy from the ocean ?

D´Arsonval

An OTEC project is underway to supply the people in southern _________ with electric power

India

_________are the greatest solar collectors in the world

Oceans

Heat Energy collected by _________systems sent to a power plant, where its typically used to power steam turbines

STC

In a ________ receiver system, each collector has its own receiver or focus mechanism

central

Unlike the _________ receiver system ,which has many receivers ,the _________ receiver system only has one central receiver.

central; distributed

_________ STC systems produce temperatures from 200 to 800 degrees fahrenheit

distributed

Higher temperatures in STC systems allow steam turbines to operate more efficiently and generate more ________.

electricity

Heliostats are usually a set of relatively flat mirrors

false

OTEC plants are relatively cheap to build.

false

Parabolic dishes are large reflectors that like look long, curved mirrors .

false

The central receiver system requires minimal sunlight to function

false

In a Sterling egine,the piston is the armature of an _________

inline electric generator

Which of the following is NOT a type of collector used in STC systems.

parbolic reflectors

Heliostats act in unison to focus the sun's rays on a particular point or ________.

receiver

Most forms of alternative energy are acutually forms of _________energy

solar

____________thermal conversion ,or STC ,systems essentially focuses the energy of the sun

solar

The Dish-Sterling system has a collection of circular mirrors that focus the sun´s energy on a single receiver , called a _________.

sterling engine

Solar thermal conversion converts energy from the _________ into electricity

sun

The STC systems are categorized according to how _________.

the energy from the sun is collected and combined

Central Receiver Systems use heliostat collectors.

true

Central receiver systems produce temperatures than the distributed systems.

true

Currently, OTEC plants have a fairly low efficiency rate.

true

STC stands for solar-thermal conversion

true

The Dish-Streling system is extremely durable and is over 30 percent efficient.

true