Combustion And Fossil Fuels

In which type of combustion, a Large amount of heat and light are released in a very short span of time?

• Spontaneous Combustion

• Rapid Combustion

• Complete Combustion

• Incomplete combustion

A Yellow Flame is also called a (a)   , as it emits a lot of light.

In which zone the wax vapours have enough oxygen to burn completely (producing carbon dioxide and water)?

• The Outer Zone

• The Inner Zone

• The Middle Zone

• The Inner Outer Zone

A (a)   is a region where combustion of fuel takes place.

_______ has 35 - 40 calorific value.

• Kerosene

• Diesel

• Biogas

• Coke

Peat was compressed between layers of sediments and formed ________

• Anthracite

• Lignite

• Oxygen

• Nothing

In the Following, which one has the lowest calorific value?

• Hydrogen

• Diesel

• LPG

• Coal

Petroleum And Natural Gas are extracted by drilling through the (a)   .

The refining of petroleum is also called (a)   .

Petroleum was mainly formed by the decay of tiny ___________ , not large land animals such as dinosaurs.

• Plants

• Marine Organisms

• Plastic

• Food Items