No, a liquid gas heater cannot be operated with CNG instead of LPG. CNG (compressed natural gas) and LPG (liquefied petroleum gas) are two different types of fuels with different properties and combustion characteristics. The burner and regulator in a liquid gas heater are specifically designed to work with LPG, and using CNG instead could result in inefficient combustion and potential safety hazards. It is important to always use the type of fuel specified by the manufacturer for any gas-powered appliance. **

CNG cars can be a good option for those looking to reduce their carbon footprint and save money on fuel costs. They produce fewer emissions compared to traditional gasoline-powered vehicles and can be more cost-effective in the long run. However, availability of CNG refueling stations may be limited in some areas, which can be a drawback for potential buyers. It's important to consider the availability of CNG refueling infrastructure in your area before deciding to purchase a CNG car. **

The choice between LPG (liquefied petroleum gas) and CNG (compressed natural gas) depends on various factors such as availability, cost, and efficiency. LPG is more widely available and can be used in a wider range of vehicles, but CNG is considered cleaner and more environmentally friendly. CNG also tends to be cheaper than LPG in many regions. Ultimately, the better option would depend on individual preferences and specific circumstances. **

When multiplying numbers, the number of digits in the product is determined by the sum of the number of digits in the multiplicands. In the case of 02 x 02, both multiplicands have one digit, so the product has two digits. Therefore, 02 x 02 equals 004. Similarly, in the case of 003 x 003, both multiplicands have two digits, so the product has four digits. Therefore, 003 x 003 equals 0009. The leading zeros are used to maintain the correct number of digits in the product. **

The gas heater may buzz due to a variety of reasons, such as a loose component within the heater, a malfunctioning fan motor, or a build-up of debris or dust in the system. Additionally, a clogged burner or gas valve could also cause the heater to buzz. It is important to have a professional technician inspect and diagnose the issue to ensure safe and proper functioning of the gas heater. **

No, you cannot refuel a vehicle that runs on Compressed Natural Gas (CNG) with diesel fuel. CNG and diesel are two different types of fuel that require specific fueling systems and infrastructure. Attempting to refuel a CNG vehicle with diesel fuel can damage the engine and other components of the vehicle, leading to costly repairs. It is important to always use the correct type of fuel for your vehicle to ensure proper functioning and safety. **

The pronunciation of "ch" as a hard "k" sound typically occurs when followed by the letters "a," "o," "u," or a consonant. For example, in words like "school," "chemist," or "chorus," the "ch" is pronounced as a hard "k." On the other hand, the soft "ch" sound is usually heard when "ch" is followed by "e," "i," or "y." Words like "chef," "machine," or "cherry" demonstrate the soft "ch" pronunciation. **

The refueling process with CNG (Compressed Natural Gas) fuel involves connecting a nozzle from the refueling station to the vehicle's CNG tank. The nozzle is designed to create a seal with the vehicle's receptacle to prevent leaks. Once connected, the CNG is transferred from the station's storage tanks into the vehicle's tank under high pressure. The process is similar to filling up a gasoline or diesel vehicle, but with the use of compressed natural gas instead. Once the tank is filled, the nozzle is disconnected and the vehicle is ready to use the CNG fuel. **