Which one of the following does not ignite easily but once ignited it gives out great heat?
Bituminous
Anthracite
Lignite
Sederite
Name the process in which deep wells are bored to take out petroleum and natural gas?
Quarrying
Drilling
Shaft mining
Open cast mining
Which one of the following trapped from the Sun can be used in solar cells to produce electricity?
Solar energy
Wind energy
Nuclear power
Hydroelectric power
Which is a red coloured ore?
Magnetite
Haematite
Limonite
Siderite
What is Geothermal Energy?
It is muscular energy
It is energy produced by human
It is the natural heat found in the interiors of the earth
It is solar energy
Petroleum is referred to as 'black gold' because:
It is black in colour
It is yellow in colour
It has immense value
It is used in making jewellery
Cite is the name of one of the gold mines of India, which is one of the deepest mine of the world ?
Kolar
Jharia
Raniganj
Hatti
Which one of the following gives much smoke and little heat on burning?
Graphite
The energy of modern world is:
Hydro electricity
Thermal electricity
Atomic energy
Tidal energy
The statements I and II are explanatory notes.I.Multipurpose projects are built over the rivers to prevent soil erosion and floods.II. Hirakud and Rihand are built in India Which option decribes better about the above statements?
Canal
Dams
Tanks
Reservoirs