Flash Card
Hydroelectric energy, solar energy and wind energy are called .................... energies.
In a wind mill, the function of the gear box is to
In a power plant based on natural gas, the natural gas burns in the presence of air in the ................ .
Along with the emission of gases due to burning of coal, .............. particles are released into the environment, which cause serious health problems related to the respiratory system.
Which of the following is not a green energysource?
In a power plant based on energy of natural gas. which energy in natural gas is converted to electrical energy?
In a thermal power station, the .................. is used to store water and to release vapour and hox air from the steam in the atmosphere.
To drive the turbine, we need
Which of the following is not a non-renewable energy source?
In solar thermal power plant, many reflects reflect and concentrate solar radiation on
Energy generated from sources which are unlimited and environmentally friendly is called ................ energy.
Most electric power plants are based on the principle of
In a thermal power station, the high tower through which gases that are emitted during the combustion of coal are released in the atmosphere.
Nitrogen dioxide generated due to burning of fuels like coal, diesel, petrol etc. causes
In nuclear fission, the atom of a heavy element is bombarded by a neutron to form
Wind turbines with capacity ................ are commercially available.
In thermal power plant, chemical energy in coal is converted to .................. energy.
The device used to transform the voltage and current levels of the generated power in solar photovoltaic station is
In hydroelectric power plant, the .................. energy of the flowing water drives the turbine.
............... is generated at a power station using an energy source, a turbine and a generator.
Principle of electromagnetic induction was invented by the scientist .................. .
Incomplete combustion of fuels leads to formation of
The instrument through which the water in cooling tower is circulated in the thermal power plant is
Water reservoir possesses ................. energy.
A good solar cell can have an efficiency of around
In the power plant based on nuclear energy ............... is used to rotate the generator.
Out of the following energy sources, which has the least consumption for electrical power generation in the world?
A silicon solar cell of dimension 1 sq.m generates current of about
Solar photovoltaic cells convert solar energy directly into .............. energy.
Special type of material solar cells are made up of is
In nuclear fission, neutron is bombarded on atom of
Which of the following is not an environmentally friendly fuel?
When a flow of ............... is directed on the blades of turbine, it rotates.
