Where is coal mainly used

• 1-generation of thermal power

• 2-smelting of iron ore.

• 3-Textile industry

• Both 1 and 2

Singareni collieries, uses _____ to detect the presence of deadly carbon monoxide in underground mines.

• canaries

• Pigeon

• dog

• elephant

Where is brown coal or lignite coal found

• Pondicherry
• In coastal parts of Tamil Nadu
• Gujarat
• All of the above

What is petroleum called for its scarcity and varied uses

• Liquid silver

• liquid gold

• Liquid iron

• Liquid copper

Which by-products are processed by crude petroleum

• Fertilizer
• Synthetic rubber
• Medicine
• All of the above

What type of oil refinery are there in India

• 1-field-based and

• 2- market-based.

• 3-Agricultural based

• Both 1 and 2

Digboi is an example of________refinery

• Market Based

• Field Based

• Agricultural based

• None of these

Barauni is an example of ______________ oil refinery

• Field based

• Market based

• Agricultural based

• None of these

Gas Authority of India Limited was established

• 1984
• 1986
• 1973
• 1945

Atomic Energy Commission was established

• 1948
• 1986
• 1973
• 1945