WorksheetsQuiz on Fuels and Their Properties
Total questions: 10
Worksheet time: 5mins
What is the primary purpose of refining petroleum?
To increase its flammability
To convert it into finished petroleum products
To enhance its solid fuel properties
To reduce its calorific value
Which of the following is NOT a type of chemical fuel?
Natural Gas
Ethanol
Plastic
Kerosene
What is the flash point of a petroleum product?
The temperature at which it ignites spontaneously
The lowest temperature at which it vaporizes to form an ignitable mixture
The temperature at which it burns completely
The temperature at which it can be stored safely
What is a significant disadvantage of using liquid fuels?
Higher cost compared to solid fuels
Lower calorific value
Easier transportation
Lower risk of fire hazards
Which of the following is an advantage of gaseous fuels?
Requires special burner technology
Lower heat content
Transportation through pipes is easy
Higher ignition temperature
What is biomass?
A solid fuel with high ash content
A synthetic fuel made from chemicals
Renewable organic material from plants and animals
A type of fossil fuel
What effect does adding ethanol to gasoline have?
Increases power and performance
Decreases engine efficiency
Reduces the octane number
Increases the flash point
What is the calorific value?
The energy produced by the complete combustion of a material
The amount of energy produced by incomplete combustion
The energy required to ignite a fuel
The energy lost during fuel storage
Which of the following is a disadvantage of ethanol fuel?
It helps reduce global warming
It requires a large piece of land
It is cost-effective
It is easily accessible
What is the primary method used to extract solid fossil fuels?
Thermal conversion
Mining
Fracking
Drilling
