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Alternative Sources of Energy: Elements 1

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

In a power tower system typical thermal efficiencies is in the range:

a)

10 to 15%

b)

5 to 10%

c)

15 to 20%

d)

25 to 30%

2.

Solar Energy is captured in:

a)

Sun capturer

b)

Solar collector

c)

Sun Collector

d)

Greenhouse Capturer

3.

Beaufort scale is used for measuring what?

a)

Beta and gamma radiation

b)

Wind speed

c)

Insolation

d)

Depth of Sea

4.

The statement that the product of the error in the measured determination of a particle’s position and its momentum is of the order of Planck’s constant h is known as

a)

Bohr’s theory

b)

D’Alembert’s paradox

c)

The Heisenberg uncertainty principle

d)

Planck’s Law

5.

What do you call a conversion technology that yields electricity straight from sunlight without the aid of a working substance like gas or steam without the use of any mechanical cycle?

a)

Power conversion

b)

Stirling cycle conversion

c)

Solar thermal conversion

d)

Photovoltaic-energy conversion

6.

Tidal power plant is attractive because it has:

a)

Low head and intermittent power

b)

High head

c)

Cheap energy source

d)

Expensive energy source

7.

In the geothermal power plants wastewater is:

a)

Recirculated after cooling in cooling lowers

b)

Discharged into the sea

c)

Evaporated in ponds

d)

Discharged back to earth

8.

All of the following terms are synonymous with quanta of electromagnetic theory except:

a)

Packets

b)

Corpuscles

c)

X-rays

d)

Photons

9.

Converts chemical energy directly into electrical energy.

a)

Fuel Cell

b)

Magnetohydrodynamic generator

c)

Battery

d)

Thermoelectric generator

10.

Tidal power is the power generated from:

a)

Waves of the ocean

b)

Rise and fall tides

c)

Thermal energy of ocean water

d)

Raw sea water

11.

An opening in lava or in volcanic area through which steam and other hot gases are escaping into the air is called:

a)

Fumarole

b)

Volcanic Leaks

c)

Seismic outlets

d)

Seismic Leaks

12.

A dense, fine grained, light colored igneous rock which is rich in silica.

a)

Felsite

b)

Feldspar

c)

Flint

d)

Flux

13.

Is the process of using injection wells to bubble air through groundwater.

a)

Air Stripping

b)

Staged combustion

c)

Sparging

d)

Soil Washing

14.

A popular term used by utilities to mean upgrading existing plants.

a)

Replanting

b)

Repowering

c)

Recharging

d)

Reorganizing

15.

Central receiver system is also known as:

a)

Trough electric system

b)

Central receiver system

c)

Power tower system

d)

Dish/ Stirling