更多"As a heat engine,（） energy is the s"的相关试题:
[单项选择]In a diesel engine, offers the heat energy directly（）； works as working medium and changes the heat energy to mechanical energy（）
A. the burning of the fuel； medium shaft
B. fuel spray； fresh air
C. fuel； fuel spray
D. the burning of the fuel； the burned gas mixture
[单项选择]Heat energy is a source of power, but （） will cause damage to the engine.
A. excessive heat
B. insufficient heat
C. effective cooling
D. high output
[单项选择]（） is a source of power by which the diesel engine may operate.
A. Water energy
B. Electrical energy
C. Chemical energy
D. Heat energy
[单项选择]A diesel engine will lose power if fuel injection occurs too late in the cycle, because the（）
A. fuel droplets will burn as they leave the fuel injector
B. fuel will not be properly atomized in the cylinder
C. maximum expansion of the burned fuel cannot take place in the cylinder
D. compression pressure will be too low to cause fuel ignition
[单项选择]The engine may lose power or slow down during running, when this occurs, the first cause possible may be hot bearings and （） of the pistons in the cylinders.
A. crack
B. knocking
C. leaking
D. seizure
[单项选择]The interior of some diesel engine saltwater heat exchangers are protected from corrosion by the use of（）
A. aluminum plates
B. lead cathodes
C. copper baffle plates
D. sacrificial zincs
[单项选择]Diesel engine waste heat boiler construction is usually of the fire-tube or（）
A. cyclone furnace boiler type
B. dry back boiler type
C. water-tube type
D. critical circulation boiler type
[单项选择]In a diesel engine, the time taken to heat the fuel particles, turn them into vapor, and bring about combustion is called （）
A. injection lag
B. ignition delay
C. compression
D. turbulence lag
[单项选择]（） may have two emergency source of power, thus requiring two emergency switchboards.
A. Large passenger vessels
B. General cargo ships
C. Container ships
D. Oil tankers
[单项选择]The source of energy fitted in GMDSS complying vessels must be（）.
A. the main source of energy
B. emergency source of electrical power
C. the reserve source of energy
D. all of above
[单项选择]Energy loses （）friction occurs in every engine.
A. because
B. thanks to
C. dues to
D. owing to
[单项选择]The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the （）.
A. turbocharger stalls
B. exhaust pressure increases
C. air charge density decreases
D. scavenge effect increases
[单项选择]The indicated power of an engine can be obtained by taking the （）.
A. precautions
B. rpm
C. indicator cards
D. B and C
[单项选择]A power-driven vessel shall have her engine ready for（）when the visibility is restricted.
A. immediately stop
B. immediately maneuvering
C. immediately anchoring
D. immediately going astern
[简答题]能耗POWER、ENERGY定义，他们之间有什么联系？
[单项选择]（） the supercharge pressure is, （） power an engine develops.
A. The higher；the more
B. Higher；more
C. Higher；little
D. The higher；the less
[单项选择]0ur engine has a（）of 10000 horse-power.
A. liability
B. ability
C. capacity
D. responsibility
