Worksheets213 ppt5 Plumbing Gases Quiz
Total questions: 16
Worksheet time: 8mins
Which gas is commonly used in plumbing for heating water?
Butane
Argon
Helium
Neon
Which gas is commonly used in domestic properties for boiler and cooker fuel but is not hot enough for soldering?
Butane
Propane
Natural gas
Ethylene
Which gas is flammable and used for LPG gas in soldering?
Natural gas
Propane
Butane
Acetylene
Which of the following is NOT a component of the fire triangle?
Fuel
Water
Heat
Oxygen
Which of the following is a necessary condition for combustion to occur?
Absence of air
Presence of water
Presence of oxygen
Absence of heat
What is the calorific value of fuels related to?
The color of the flame
The amount of heat given off
The speed of combustion
The type of fuel
Why does natural gas require a specific amount of oxygen to burn?
To increase the flame size
To ensure complete combustion
To reduce the temperature
To change the color of the flame
What is the process called when steam turns back into a liquid?
Condensation
Evaporation
Sublimation
Freezing
What is a characteristic of refrigerants that makes them useful in cooling systems?
High boiling point
Low boiling point
High freezing point
High density
What is the primary component of natural gas?
Methane
Ethane
Propane
Butane
What is the process of removing heat from a space to lower its temperature called?
Heating
Cooling
Insulating
Ventilating
What is the main byproduct of burning natural gas?
Carbon dioxide
Oxygen
Hydrogen
Nitrogen
What is the role of a thermostat in a heating system?
To increase fuel efficiency
To regulate temperature
To provide insulation
To supply fuel
What is the primary use of natural gas in residential homes?
Generating electricity
Heating and cooking
Fueling vehicles
Manufacturing plastics
Which process involves the conversion of a liquid into a gas?
Condensation
Evaporation
Freezing
Melting
What is the main component of biogas?
Carbon dioxide
Methane
Oxygen
Nitrogen
