18 Questions
What is the molecular formula of biobutanol?
C4H9OH
What is the primary use of biobutanol?
Fuel
What percentage strength of biobutanol can be used for spark ignition engines without modification?
85%
How is a good combustion process achieved according to the text?
High temperature, turbulence, sufficient time
What is required to change liquid or solid fuel into gas before it is burned?
Heat
What process refers to the rapid oxidation of fuel accompanied by the production of heat and light?
Combustion
What is the main purpose of fuel in agricultural mechanization?
To increase production
Which process involves a combustible substance releasing energy after reacting with oxygen?
Exothermic process
What is the main characteristic used to measure the efficiency of a fuel?
Calorific value
Which fuel is commonly derived from crude oil for use in vehicles?
Kerosene
Which type of fuel is known for its use in spark-ignition engines?
Gasoline
What type of fuel is typically used in compression-ignition engines?
Biodiesel
Which type of gasoline consists of propane and butane?
Liquified Petroleum Gas (LPG)
What is the major component of natural gas?
Methane
Which fuel type has a calorific value ranging from 4000 to 5000 kcal/kg?
Wood
What is the weight comparison of butane with air?
Twice the weight of air
What is the primary function of a gas producer used in creating producer gas?
To burn fuel with little air or steam
Why can LPG flow on the ground and be ignited even at a distance?
It is heavier than air
Test your knowledge on fuels and combustion in the context of Basic Farm Machineries and Mechanization. This quiz covers sources of fuel, classifications of fuel, characteristics of fuel, calorific value, combustion process, chemistry of combustion, classification of air for combustion, and combustion devices.
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