A.it gets dark in color
B.a sample rubbed between fingers feels thin
C.it has been in use for a specified interval
D.it no longer supports combustion
您可能感興趣的試卷
你可能感興趣的試題
A.decrease your engine speed
B.ignore it
C.increase your engine speed
D.stop your engine until the rough weather passes
A.discharge a CO2 extinguisher in the air inlet
B.pull off the distributor cap
C.secure the jacket water
D.secure the starting air supply valve
A.Magnesium
B.Paper
C.Wood
D.Diesel Oil
A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B.An electromagnetic brake will hold the load where it is suspended
C.The load will fall rapidly to the deck unless the foot brake is engaged
D.The load will slowly lower to the deck under control of the drag of the winch motor
A.Light blue haze
B.Light brown haze
C.Light gray haze
D.Perfectly clear
最新試題
What is an advantage of a steam turbine over a diesel for the main propulsion?（）
Storage batteries on T-Boats must be located（）.
The most serious effect of air trapped in a diesel engine jacket water cooling system is that it（）.
What is the effect of heated intake air on a diesel engine? （）
Sudden unloading of a diesel engine can cause（）.
How would the exhaust of a properly operating diesel engine appear?（）.
On a single-screw vessel the stern frame（）.
Maintaining the close tolerances in diesel fuel pumps and injectors requires the use of（）.
On a vessel with a single propeller，transverse force has the most effect on the vessel when the engine is put（）.
Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded，the davit（）.