<table id="fjbyl"><legend id="fjbyl"><big id="fjbyl"></big></legend></table>

<progress id="fjbyl"></progress>

<strike id="fjbyl"><legend id="fjbyl"><big id="fjbyl"></big></legend></strike>

<rp id="fjbyl"><menuitem id="fjbyl"><object id="fjbyl"></object></menuitem></rp>

單項選擇題

A dazzling white burner flame in the boiler furnace indicates （）.

A.no combustion
B.deposits in the fuel
C.excessive air in the fuel
D.cold fuel oil

你可能感興趣的試題

單項選擇題

When the boiler load returns to normal, the drum pressure will rise and steam bubble formation will reduce, causing a fall in water level This is known as （）.

A.swell
B.shrinkage
C.flash off
D.lack of water

單項選擇題

WHR stands for （）.

A.Water Head Register
B.Water Heater Re-circulating
C.Waste Heat Recovery
D.Waste Handle Reference