What is the important centre for iron and steel in the world

• USA

• UAE

• INDIA

• DETROIT

Detroit is famous for

• automobile, manufacturing machine tools and pharmaceuticals

• technology

• iron

• steel

Industries can be classified on the basis of

• raw materials

• size

• ownership

• all the above

Industrial System consists of

• input , output , Processes

• large scale and small scale 

Iron production started in which year

• in 1911

• in 1912

• 2021

• 1907

Who founded Tata steels

• BR Ambedkar

• Jamsetji tata

• Mangal pandey

• Mahatma Gandhi

When was the first steel ingot manufactured

• 16 February 1912

• 1911

• 18 march

• 16 march 1912

Which country was the first to introduce machines in textile industries

• India

• USA

• DETROIT

• ENGLAND

Examples of marine based industry are

• Minerals

• Products from sea and ocean

• Animals and plants

• non of the above

Ahmedabad is located on the banks of the _______ river.

• Sabarmati

• Narmada

• Sri lanka

• japan