PRIME'S ELEMENTS IN PIPE : CHAPTER 6 GEOTHERMAL & NON CONVENTIONAL POWER PLANTS

Refers to the internal heat from the earth.

A. Geothermal

B. Thermal energy

C. Molten heat

D. Tectonic heat

A. Geothermal

A rock - forming crystalline mixed silicate which constitute about 60 % of the earth's surface.

A. Soil

B. Feldspar

C. Flux

D. Flint

B. Feldspar

A compound rock, a crypto - crystalline from of silica, which is dens, tough, breaking with a conchoidal fracture.

A. Gravel

B. Stalactite

C. Flint

D. Flux

C. Flint

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

A. Air stripping

B. Staged combustion

C. Sparging

D. Soil washing

C. Sparging

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

A. Replanting

B. Repowering

C. Recharging

D. Reorganizing

B. Repowering

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

A. Felsite

B. Feldspar

C. Flint

D. Flux

A. Felsite

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

A. Fumarole

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

B. Rise and fall tides

Convert chemical energy directly into electrical energy.

A. Fuel oil

B. Magnetohydrodynamic generator

C. Battery

D. Thermoelectric generator

A. Fuel oil

Generates a voltage from incident light, usually light the visible region.

A. Photovoltaic cell

B. Solar cell

C. Dry cell

D. A or B

D. A or B

All of the following terms are synonymous quantity of electromagnetic theory except:

A. Packets

B. Corpuscles

C. X-rays

D. Photons

C. X-rays

In geothermal power plant waste water is:

A. Recirculated after cooling in cooling lowers

B. Discharged into sea

C. Evaporated in ponds

D. Discharge back to earth

D. Discharge back to earth

Past ME Board Question

In a liquid-dominated geothermal plant, what process occurs when the saturated steam passes through the turbine?

A. Isobaric

B. Polytropic

C. Isometric

D. Isentropic

B. Polytropic

Past ME Board Question

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

D. Photovoltaic-energy conversion

Past ME Board Question

Tidal plant power is attractive because it has:

A. Low head and intermittent power

B. High lead

C. Cheap energy source

D. Expensive energy source

C. Cheap energy source

Past ME Board Question

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

A. Power conversion

B. Stirling cycle conversion

C. Solar thermal conversion

D. Photovoltaic-energy conversion

D. Photovoltaic-energy conversion

Past ME Board Question

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

C. Cheap energy source

Tidal power is the power generated from:

A. Waves of the ocean

B. Rise and fall tides

C. Thermal energy of the ocean water

D. Raw sea water

B. Rise and fall tides

Converts chemical energy directly into electrical energy.

A. Fuel cell

B. Magnetohydrodynamic generator

C. Battery

D. Thermoelectric generator

A. Fuel cell

Generates a voltage from incident light, usually light in the visible region.

A. Photovoltaic cell

B. Solar cell

C. Dry cell

D. A or B

D. A or B

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 uncertainly principle

D. Planck's law

C. The Heisenberg uncertainly principle

The flow process through shock wave is high irreversible and cannot be approximated as being:

A. Polytropic

B. Isometric

C. Hyperbolic

D. Isentropic

D. Isentropic

Beaufort scale is used for measuring what?

A. Beta and gamma radiations

B. Wind speed

C. Insolation

D. Depth of sea

B. Wind speed

Betz law is widely used in:

A. MHD system

B. Solar cell

C. Geothermal power

D. Wind mills

D. Wind mills

Rocks having excessive internal stresses may produces spalling. This rock are called as _________.

A. Stratified rocks

B. Popping rocks

C. Crushed rocks

D. Swelling rocks

A. Stratified rocks

Solar energy arrives at the outside of the earth's atmosphere at an average rate of _______.

A. 1.354 kW/m²

B. 1.543 kW/m²

C. 2.354 kW/m²

D. 2.543 kW/m²

A. 1.354 kW/m²

How many percent of solar energy survives absorption and reflection?

A. 40 to 70 %

B. 30 to 60 %

C. 50 to 80 %

D. 20 to 50 %

A. 40 to 70 %

Solar energy is captured in:

A. Sun capturer

B. Solar collector

C. Sun collector

D. Green house capturer

B. Solar collector

Which of the following solar collector are essential wide, flat boxes with clear plastic or glass covering known as the glazing.

A. Flat plate collectors

B. Concentrating collectors

C. Focusing collector

D. Evacuated tube collector

A. Flat plate collectors

Which of the following collectors use mirrors and a lenses to focus the suns energy on a small absorbs area.

A. Flat plate collector

B. Concentrating collector

C. Non focusing collectors

D. Evacuated tube collectors

B. Concentrating collector

Which of the following collector are more complex to their efficiencies are higher?

A. Flat plate collector

B. Concentrating collector

C. Focusing collectors

D. Evacuated tube collectors

D. Evacuated tube collectors

Which of the following collectors are useful when extremely hot transfer fluid is needed and are general limited to commercial projects?

A. Flat plate collector

B. Concentrating collector

C. Focusing collectors

D. Evacuated tube collectors

D. Evacuated tube collectors

The shading factor in calculating the heat absorbed by the solar collector has a value of approximately"

A. 0.95 to 0.97

B. 0.85 to 0.87

C. 0.75 to 0.77

D. 0.65 to 0.67

A. 0.95 to 0.97

The ratio of energy absorbed by the transfer fluid to the original incident energy striking the collector.

A. Collector efficiency

B. Sun efficiency

C. Shading factor

D. Absorptance

A. Collector efficiency

As the difference between the ambient air and average plate (or inlet) temperatures increase, what happens to the collector efficiency?

A. Increase

B. Decrease

C. Constant

D. No effect

B. Decrease

Distributed collector system is also known as:

A. Trough electric system

B. Central receiver system

C. Power tower system

D. Dish/Stirling system

A. Trough electric system

Center receiver system is also known as:

A. Trough electric system

B. Distributed collector

C. Power tower system

D. Dish/ Stirling system

B. Distributed collector

Which of the following main approaches to solar energy generating systems describes that parabolic tracking trough concentrator focus sunlight on evacuated glass tubes that run along the collectors focal lines.

A. Trough electric system

B. Central receiver system

C. Power tower system

D. Dish/Stirling system

A. Trough electric system

Trough electric technology is relatively mature but due to the flow temperature, average annual thermal efficiencies are only:

A. 10 to 15 %

B. 5 to 10 %

C. 15 to 20 %

D. 25 to 30 %

A. 10 to 15 %

A field of heliostats or tracking mirror concentrates solar energy onto a receiver on a central tower.

A. Trough electric system

B. Distributed collector system

C. Power tower system

D. Dish/ Stirling system

C. Power tower system

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 %

C. 15 to 20 %

A dish engine system has an efficiency of

A. 10 to 15 %

B. 5 to 10 %

C. 14 to 19 %

D. 24 to 28 %

D. 24 to 28 %

Practical and economic issues limit trough electric system about:

A. 200 MW

B. 100 MW

C. 300 MW

D. 400 MW

A. 200 MW

Practical and economic issues limit tower electricity system to approximately"

A. 100 to 200 MW

B. 150 to 250 MW

C. 100 to 300 MW

D. 150 to 400 MW

C. 100 to 300 MW

Thermal efficiency of a geothermal power plant is approximately:

A. 30 %

B. 22 %

C. 35 %

D. 15 %

B. 22 %

A flash stem cycle can be used if the hot water temperature is approximately:

A. 165 C or higher

B. 150 C or higher

C. 145 C to 200 C

D. Below 200 C

A. 165 C or higher

A binary cycle using a separate heat transfer fluid if the temperature of the hot water is between approximately _________.

A. 165 C and 120 C

B. 200 C and 150 C

C. 225 C and 175 C

D. 300 C and higher

A. 165 C and 120 C

For every kilometer of depth, the temperature of the earth's crust increase by:

A. 30 F

B. 40 F

C. 50 F

D. 20 F

A. 30 F

Multiple wells produce steam at 690 to 820 kPa temperature of _______.

A. 205 C

B. 155 C

C. 250 C

D. 175 C

A. 205 C

In a hot rock systems, water is injected through injection wells into artificially made fractured rock beds of how many kilometers below the surface?

A. 1 to 6 km

B. 3 to 9 km

C. 4 to 10 km

D. 6 to 11 km

A. 1 to 6 km