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WorksheetsRENEWABLE ENERGY & GREEN TECHNOLOGY
Total questions: 24
Worksheet time: 13mins
Identify the diagram of Tubular Tower
Select the wrong statement
Gears are not designed on the basis of duration and distribution of loads on individual gear teeth.
The load duration and distribution pattern (LDD), under a given
set of wind conditions, are analysed for gear design.
Advanced numerical simulation tools are also being used for characterizing the dynamic response of wind turbine gears
Select the correct statement applicable for single bladed HAWT
The drag losses are maximum for single bladed turbines.
Single bladed designs are very popular due to visual acceptability.
Single bladed turbines are cheaper due to savings on blade materials.
They have high Solidity
Select the statements true for Horizontal Axis Wind Turbines (More than One Option)
Their axis of rotation vertical to the ground.
The generator and gearbox of these turbines are placed in ground.
Need for the tail or yaw drive to orient the turbine towards wind.
Relatively high power coefficient.
Select the figure of Cup Anemometer
Solar power is different to the other primary energy sources because it
does not require a turbine to produce electricity
it is a renewable energy source
it does not produce carbon dioxide
it can be used to produce electricity or thermal energy
The basic elements of wind turbines are:
blades, shafts, gears and generators
towers
blades
gears and blades
The wind turns the shaft fast enough to generate electricity.
true
false
only during a storm
What are advantages of wind energy? Check all that apply.
clean energy
nonrenewable
renewable
generate most of the electricity in the U.S.
This is ..
a horizontal axis wind turbine
a big fan
a vertical axis wind turbine
an egg beater
This is ..
a horizontal axis wind turbine
a big fan
a vertical axis wind turbine
an egg beater
What is the main source for the formation of wind?
Uneven land
Sun
Vegetation
Seasons
The wind speed is measured using an instrument called
hydrometer
manometer
anemometer
wind vane
Wind energy is harnessed as ______ energy with the help of windmill or turbine.
Mechanical
solar
Electrical
Heat
The following factor(s) affects the distribution of wind energy
Mountain chains
The hills, trees and buildings
Frictional effect of the surface
All of the above
When did the development of wind power in India began?
1965
1954
1990
1985
