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