Worksheets311 PART 1
Total questions: 48
Worksheet time: 24mins
Which of the following is a category of fuel used in domestic properties?
Hydrogen
Natural gas
Nuclear energy
Solar power
What type of fuel is LPG?
Solid fuel
Liquid petroleum gas
Sustainable fuel
Natural gas
Which of the following is considered a sustainable, low carbon fuel?
Oil
Coal
Natural gas
Biomass
What is natural gas primarily composed of?
Water vapor
Hydrocarbon gases
Carbon dioxide
Nitrogen
Why is an odour added to natural gas before distribution?
To improve its energy content
To make it visible
To detect leaks
To change its color
What happens when natural gas is burnt?
It releases a low amount of energy
It releases a high amount of energy
It becomes solid
It turns into water
Where is natural gas commonly found?
In the atmosphere
In shallow water bodies
Deep below the Earth's surface
On mountain tops
What is the primary component of natural gas by percentage?
Ethane
Propane
Methane
Carbon dioxide
Which gas in natural gas has a chemical symbol of C3H8?
Methane
Propane
Butane
Ethane
What is the specific gravity range of natural gas?
0.2–0.4
0.4–0.6
0.6–0.8
0.8–1.0
How is natural gas distributed across the country?
By road transport
Through the National Grid
Via air transport
By sea routes
What is the calorific value range of natural gas?
20-25 MJ/m³
30-35 MJ/m³
37.8-43 MJ/m³
45-50 MJ/m³
What is the chemical formula for propane?
C₄H₁₀
C₃H₈
C₂H₆
C₅H₁₂
Which of the following LPG gases has a specific gravity of 2.0?
Propane
Methane
Butane
Ethane
What is the specific gravity of propane?
1.0
1.5
2.0
2.5
Which of the following is a characteristic of LPG gases in their gas form?
Lighter than air
Heavier than air
Same density as air
Lighter than water
What is the chemical formula for Propane?
C4H10
C3H8
C2H6
CH4
Which gas has a higher energy content in MJ/m³?
Propane
Butane
Methane
Ethane
At what temperature does Butane boil?
-42°C
-4°C
0°C
4°C
What is the relative density of Propane compared to air?
1.00
1.53
2.00
0.58
Which gas has a higher specific gravity at 25°C?
Propane
Butane
Methane
Ethane
What happens to LPG when it is subjected to high pressure?
It turns into a gas and takes up more space.
It turns into a liquid and takes up less space.
It remains unchanged.
It evaporates completely.
How many liters of gas are created from 1 liter of liquid LPG?
100 liters
200 liters
274 liters
300 liters
What color is the bottle used to identify propane?
Blue
Green
Red
Yellow
At what temperature does propane boil?
-42°C
-4°C
0°C
100°C
What is butane commonly used for?
Boilers and cookers
Camping equipment and barbecues
Water heaters and soldering
Fireplaces and stoves
At what temperature does butane boil?
-42°C
-4°C
0°C
100°C
What is kerosene a by-product of?
Natural gas
Crude oil
Coal
Biomass
What is the preferred grade of kerosene due to its clean combustion?
C1 grade
C2 grade 28 second viscosity oil
C3 grade
C4 grade
Why do modern oil boilers require an annual service?
To check the water level
To replace the fuel
To check the atomizing pressure jet burner
To clean the exterior
At what temperature does kerosene remain fluid?
-10°C
-20°C
-30°C
-40°C
What color is kerosene described as?
Dark brown
Bright red
Very pale yellow
Deep blue
Which of the following is a main type of solid fuel used in the UK?
Coal
Natural Gas
Diesel
Electricity
What is one of the three main types of solid fuels used in the UK?
Coke
Petrol
Hydrogen
Solar Power
Which type of coal has the highest carbon content?
Lignite
Sub-bituminous
Bituminous
Anthracite
What is the heat content range of Bituminous coal in kW/kg?
2.2–5.5
5.5–8.3
7–10
10
Which type of coal is typically used to produce electricity and has high moisture content?
Lignite
Sub-bituminous
Bituminous
Anthracite
What is a characteristic of Anthracite coal?
High moisture content
Less heating value than bituminous coal
Deep black and glossy appearance
Formed by added heat and pressure on lignite
How is coke produced?
By heating coal in a coke oven to around 1,000°C
By cooling coal in a freezer to -100°C
By mixing coal with water
By compressing coal under high pressure
What gases are given off when producing coke?
Oxygen and nitrogen
Methane gas and coal tar
Hydrogen and helium
Carbon dioxide and sulfur dioxide
What is a characteristic of coke when it burns?
It burns with a bright flame
It burns clearly and without a flame
It produces a lot of smoke
It cannot produce heat
In which industries is coke commonly used?
Textile and fashion
Steelmaking and chemical processes
Agriculture and farming
Food and beverage
What is peat primarily formed from?
Decaying animals
Decaying plants
Mineral deposits
Volcanic ash
Why does peat not decompose completely?
High temperature
Lack of oxygen
Excess moisture
High acidity
What is a characteristic of peat in terms of its carbon content?
Low carbon content
High carbon content
No carbon content
Variable carbon content
What is one use of peat mentioned in the text?
Building material
Fertilizer
Domestic fires
Water filtration
Which of the following is a source of low-carbon fuel?
Natural gas
Solar thermal
Coal
Oil
Which of the following is NOT a renewable source of low-carbon fuel?
Biomass
Heat pumps
Combined heat and power
Diesel
