更多"Fins are installed on the generatin"的相关试题:
[单项选择]Fusible plugs are installed in fire-tube boilers to （）.
A. provide a means of draining the boiler
B. warn the engineer of low water level
C. cool the crown sheet at high firing rates
D. open the burners electrical firing circuits
[单项选择]Fins are installed on the fireside of water-tubes used in waste boiler to（）
A. decrease the velocity of gases flowing past the tubes
B. increase the rate of heat transfer
C. reduce accumulations carbon deposits
D. direct the flow of gases
[单项选择]Piston cooling fins are located（）
A. atop the piston crown
B. beneath the piston crown
C. at the base of the piston skirt
D. inside the cylinder liner cooling water jacket
[单项选择]Grease coatings on electrical contact surfaces increase contact resistance and should be removed with a/an （）.
A. small wire brush
B. compressed air jet
C. clean dry cloth
D. 10% solution carbon solvent and water
[单项选择]Increasing free surfaces has the effect of raising the（）.
A. uncorrected KG
B. virtual height of the center of gravity
C. metacenter
D. metacentric height
[单项选择]A bright shiny appearance of the sealing surfaces on diesel engine compression rings indicates（）
A. combustion gas blow-by
B. excessive lubrication
C. properly functioning rings
D. insufficient cylinder cooling
[单项选择]Scuffed cylinder liner surfaces in a diesel engine can result form（）
A. starting the engine hot
B. knurling the piston skirt
C. operating an overheated engine
D. using scuff resistant piston rings
[单项选择]Scuffed cylinder liner wearing surfaces in a diesel engines can result from （）
A. chromium plating piston rings
B. knurling the piston skirt
C. extended maximum power operation
D. applying load to a cold diesel engine
[单项选择]The horizontal flat surfaces where the upper stock joins the rudder are the（）.
A. rudder keys
B. rudder palms
C. lifting flanges
D. shoes of the rudder
[单项选择]Reducing free surfaces has the effect of lowering the（）.
A. uncorrected KG
B. virtual height of the center of gravity
C. metacenter
D. metacentric height
[单项选择]The two most effective generating forces of surface ocean currents are（）.
A. temperature and salinity differences in the water
B. wind and density differences in the water
C. water depth and underwater topography
D. rotation of the Earth and continental interference
[单项选择]Generating tubes in waste heat boilers are finned to （）.
A. reduce gas flow turbulence
B. prevent exhaust gas corrosion
C. increase the rate of combustion
D. increase the rate of heat transfer
[简答题]以太网中的节点如何从FINS节点地址转换为IP地址？
[单项选择]Reducing the liquid free surfaces in a vessel reduces the（）.
A. roll period
B. metacentric height
C. waterplane area
D. vessel's draft
[单项选择]Black areas on the sealing surfaces of piston rings indicate（）
A. lube oil pumping
B. rotating rings
C. gas pressure behind the ring
D. passage of hot gases
[单项选择]Additives （） protective layers on metal surfaces guarding them against corrosion.
A. damage
B. form
C. dissolve
D. contaminate
[单项选择]在Surfaces中旋转命令是哪个（）
A. Revolve
B. loft
C. planar
D. Extrude
