Domestic Appliances

What is a gas boiler?

• AJust any appliance
• BAn appliance that burns gas to heat water for space heating and/or domestic use✓
• CA storage tank
• DOnly for large homes

Answer: Gas boilers burn natural gas to provide heating and hot water.

What is a regular (traditional) boiler?

• AAny boiler
• BA boiler requiring a separate hot water storage cylinder and feed tank✓
• CSealed system
• DSame as combi

Answer: Regular boilers work with separate hot water cylinders and feed tanks.

What is a gas fire?

• AA heating system
• BA decorative or functional gas-burning appliance producing heat and flame✓
• CJust decoration
• DNot common

Answer: Gas fires provide both decorative flame effect and heat output.

What is a gas cooker?

• AJust a stove
• BA kitchen appliance with gas hob and/or oven for cooking✓
• CHeating only
• DNot a gas appliance

Answer: Gas cookers use gas for burners and ovens in kitchens.

What is a gas water heater (instantaneous)?

• AA storage tank
• BAn appliance that heats water on demand without storage✓
• CJust a circulator
• DNot used

Answer: Instantaneous heaters provide hot water on demand without a storage tank.

What should be checked on a gas cooker during servicing?

• AJust cleanliness
• BBurner flame color, gas tightness, stability, and seals✓
• COnly the oven
• DNot regularly checked

Answer: Cooker servicing checks burner operation, gas connections, and seals.

What is a pilot light on a gas appliance?

• AMain burner
• BA small flame that ignites the main burner when needed✓
• CSafety light only
• DAlways on

Answer: Pilot lights are small flames that ignite main burners when called for.

What is ignition in a gas appliance?

• AJust temperature
• BThe method used to light the gas (pilot, electronic, piezo)✓
• CThe burner itself
• DNot important

Answer: Ignition systems can be pilot lights, electric spark, or piezoelectric.

What is a gas fire with balanced flue?

• ARegular open-flue fire
• BA sealed fire with outside air intake and flue exhaust ducts✓
• CAny fire
• DNot available

Answer: Balanced-flue gas fires don't require room ventilation.

What is a gas water heater storage (tank) type?

• AInstantaneous
• BAn appliance storing heated water in a tank for later use✓
• CCombi type
• DNot common

Answer: Storage-type heaters maintain a tank of hot water for continuous supply.

What is the purpose of a thermostat on a gas water heater?

• AJust looks good
• BControls the heating temperature and prevents overheating✓
• COnly for safety
• DNot necessary

Answer: Thermostats maintain desired water temperature and prevent scalding.

What should be checked on a gas fire during inspection?

• AJust the appearance
• BFlame safety device, flue, seals, and proper operation✓
• COnly color
• DNot checked

Answer: Fire inspections verify flame control, flue operation, and safety devices.