A.central air condition system
B.high velocity system
C.low velocity system
D.single duct system
您可能感興趣的試卷
你可能感興趣的試題
A.mechanical energy
B.heat energy
C.potential energy
D.kinetic head
A.backwards
B.forwards
C.upward
D.downwards
A.air chamber
B.head lank
C.primer
D.prime mover
A.eye
B.hole
C.balance holes
D.opening
A.Carry out soot blowing if permissible
B.Change fuel supply to diesel oil
C.Close steam stop valves on boiler when pressure is reduced
D.Drain boiler empty when it has cooled down
最新試題
Diesel engine air start system check valves are opened by ()
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()
Flame failure in an automatically fired auxiliary boiler can from a/an ()
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()
During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()
As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()
If separating effect is not good, which measure should be taken ()
The condensers located in various stages of a flash evaporator are cooled by()
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a()