更多"Heat energy is a source of power, b"的相关试题:
[单项选择]As a heat engine,（） energy is the source of power by which the diesel engine can be operated.
A. electric
B. heat
C. mechanical
D. exhaust
[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]（） 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]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]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
[简答题]能耗POWER、ENERGY定义，他们之间有什么联系？
[单项选择]Extended cyclical variations in tensions will cause an anchor chain to break due to（）.
A. fatigue
B. corrosion
C. distortion
D. abrasion
[单项选择]Atmosphere laden with coal dust or grain dust caused by loading these cargoes（）.
A. require loading operations to be shut down until the atmosphere clears
B. are toxic to human life
C. are subject to spontaneous combustion
D. may be explosive in some concentrations
[单项选择]A dirty intercooler on an air compressor will cause （）.
A. damage to the un-loader operating diaphragm
B. an increase in current flow to the motor
C. high pressure in the receiver and filter
D. an excessive consumption of crankcase oil
[单项选择]For a vessel with list，a decrease in GMT will cause the angle of inclination to（）.
A. stabilize at an angle of loll
B. decrease
C. increase
D. remain constant
[单项选择]Diesel engine ‘blow-by’ into the crankcase is caused by excessive ring（）
A. back clearance
B. side clearance
C. gap clearance
D. taper clearance
[单项选择]The sum of the sensible heat and the latent heat of any substance is known as （）.
A. total heat
B. residual heat
C. specific heat
D. superheat
[单项选择]In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.
A. better control capabilities
B. less maintenance and repair
C. fewer personnel needed during jacking
D. less preload needed
[单项选择]（） power is the power developed within the cylinder and can be measured by an engine indicator.
A. The shaft
B. The mechanical
C. The electric
D. The indicated
[单项选择]Scale accumulation on evaporator heat exchange surfaces （）.
A. increases brine density
B. increases distillate salinity
C. reduces metal corrosion
D. reduces heat transfer
[单项选择]Additional heat extraction from the exhaust gases can be effected by adding an （） section to the unit in plants.
A. air cooler
B. economizer
C. injector
D. air blower
[单项选择]Mechanical energy in transition is referred to as （）.
A. horsepower
B. work
C. heat
D. velocity
