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WorksheetsOCEAN ENERGY: RENEWABLE ENERGY
Total questions: 15
Worksheet time: 10mins
TYPES OF ENERGY THAT OCEAN ENERGY CARRY
MECHANICAL ENERGY
WIND ENERGY
SOLAR ENERGY
THERMAL ENERGY
HOW IS WIND ORIGINATED OR GENERATED?
(a)
WHY IS OCEAN ENERGY PREFERABLE COMPARED TO SOLAR AND WIND ENERGY?
(a)
WHICH IS/ARE TRUE ABOUT OCEAN ENERGY
DOESN'T PROVIDE ARTIFICAL REEF HABITAT FOR SEA LIFE
HIGH MAINTENANCE AND OPERATION OF THE FACILITIES
HAVE EFFECT ON MIGRATORY FISH PATTERNS OR COASTAL ECO-SYSTEM
LEAST DEVELOPED RENEWABLE ENERGY
PRODUCE CHEAP COST OF ELECTRICITY
OCEAN ENERGY IS SAID TO HAVE HIGHER POWER PRODUCTION; WHY IS THAT?
(a)
LONGITUDINAL WAVE IS DEFINED AS
DIRECTION OF WAVE PARTICLE IS IN 90 DEGREE TO PROPOGATION OF WAVE
DIRECTION OF WAVE PARTICLE IS PARALLEL TO PROPOGATION OF WAVE
DISPLACEMENT OF PARTICLES PRODUCES DISTURBANCE WHICH IS TRANSFERRED TO ANOTHER PARTICLE TILL ALL HAVE SUFFERED GREATER/ LESS DISPLACEMENT
SEA WAVE OR LIGHT WAVE IS CONSIDERED AS
TRANSVERSE WAVE
PROGRESSIVE WAVE
LONGITUDINAL WAVE
STATIONARY WAVE
DEFINE THE HOSTILITY OF THE OCEAN ENERGY
HIGHER ENERGY DENSITY
RANDOM BEHAVIOUR OF THE SEA
PREDICTABILITY OF THE OCEAN ENERGY
HIGH CORROSION LEVEL OF SEA WATER
LARGE ENERGY STORAGE
WHICH OF BELOW DESCRIBE OFFSHORE DEVICES?
DEEP WATER DEVICES SUCH AS WAVE ATTENUATOR OR POINT ABSORBER ARE USED
THE DEVICES ARE SUBMERGED IN THE SEA
NO NEED FOR SIGNIFICANT COASTAL EARTH WORKS
FIXED IN THE SHORELINE
DEPTH OF WATER IS SHALLOW
LABEL [A, B, C, D] ACCORDINGLY.
TROUGH, WAVELENGTH, AMPLITUDE, CREST
CREST, WAVELENGTH, AMPLITUDE, TROUGH
CREST, AMPLITUDE, WAVELENGTH, TROUGH
TROUGH, AMPLITUDE, WAVELENGTH, CREST
Why is Ocean Energy considered the least developed type of renewable energy?
It requires more investment because the location it can be produced is not close to the grid.
The operation and maintenance of its facilities are high due to the hostility of the ocean.
The ocean energy is the least interesting compared to the other type of renewable energy.
It requires more investment and due to high operation and maintenance cost.
The following are classified under offshore devices EXCEPT
Point absorber
Wave attenuator
Oscillating water column
Linear Absorber
· It evolved from Francis turbine.
· It is a propeller type turbine.
· It is capable working at low head and high flow rate very efficiently.
All the statements above describe about
Kaplan turbine
Wells turbine
Bi-directional turbine
Motion of waves on surface of sea water is categorized under
longitudinal wave
progressive wave
stationary wave
transverse wave
____ phenomenon is the maximum tidal range due to the superposition of both lunar and solar tides when the moon and the Sun are in the same plane/ horizontal axis as the earth.
Statement above is explanation for
neap tide
lunar tide
high tide
spring tide
