Which of the following is NOT necessary for complete combustion of a fuel?
a. Enough air must be supplied
b. The temperature of the furnace must be high enough
c. The combustion air must be preheated
d. Enough time must be allowed for the fuel to burn
e. The air and fuel must mix thoroughly
Answer: C
Learn More :
Power Engineering Chapter 57
- When calculating the combustion efficiency, what must be known?
- Another type of flue gas analyzer that works like the Fyrite analyzer is?
- It takes at least ___ bulb strokes to ensure that the rubber hose and top reservoir are thoroughly purged and filled with the fresh sample.
- When measuring levels of NOx and carbon monoxide, they are generally provided in?
- When measuring levels of oxygen and carbon dioxide, they are generally provided in?
- Which one is NOT a disadvantage of the IR senor?
- A flue gas analyzer used for heating boilers is?
- The higher the amount of excess air, the ___ will be the percentage of CO2
- Which one is NOT how the fuel flow control is adjusted?
- A gas burner suitable for use in large boilers
- Gas burner that is controlled by a needle valve
- The Packaged Boiler Gas Burner is also know as?
- When burners are not in use they should be removed from the furnace because?
- Rotary Cup Oil burner is commonly used in?
- Mechanical Atomizing Oil burner is commonly used in?
- Atomizing Oil burner is commonly used in?
- Air Atomizing Oil burner is commonly used in?
- Raymon Bowl Mill is used for?
- Overfeed stoker is also referred to as?
- Cross Feed stoker is also referred to as?
- Pulverizers are used for
- Mechanical stokers is used for
- Disadvantages of natural gas is?
- Which one is NOT an advantage of fuel oil over coal?
- What grade oil is most widely used on packed firetube boilers?