轮机英语听力与会话三版口述和问答题答
案
第一早
口述
boilers,pumps,pumps,therefrigeratingsystem,andtheairconditioningsystem.Themainengine,also
第二章
口述
cylinder,whileforgasolineengine,theyaremixedoutsidethecylinder.
sameasquestionNo2.
itemsoftransmissionsystemincludevariousshafts,suchasthethrustshaft,oneormore
intermediateshaftsandtailshaft.Theseshaftsaresupportedbythethrustblock,intermediate
transmittedalongtheshaftingtothethrustblockandfinallytoshipstructure.
Whentheshipissailingatfullspeed,itneedfourenginesrunning
seaspeed,ithasfourenginserunning,whieitapproachesthewharf,ithastwo.
crown.
andthecrankshaft.Theseareallcriticalpartsoftheengine.Accordingtothespecificspecific
shownintheillustrationisthecrossheadtypepistonwithasunkensurface.Ithasthe
advantageofincreasingtheairturbulanceandimporvingtheoil/airmixingquality.Its
disadvantageisthatthecylindervolumetricclearancewillbelarger.
Generally,eachpistonisprovidedwithfiveorsixpistonrings.
Largemarinedieselenginesofcrossheadconstructiongenerallyhavetwosystemsof
theformationofanoilfilmwhichreducesfrictionandweaA
匚三.
1
meansofcommunicationbetweentheengineroomandthebridge.
relief,ensuringthatthereliefiscompetenttotakeoverandcairyouthisduties
ifany.Ifhehasanyreasontobelievethattherelievingengineerisnotcapableof
thechiefengineershallbenotified.
四
1
out.
2
protectionsystemfunctioning,duetolowlubeoilpressure,fueloilbreakdown,
3
manifoldandlowflowingquantity,rapidchangeinload,insufficientfueloil,bad
downthemainengine,findthecauses,anddosomeremedies.
8Whenwestartstarttheemergencygenerator,weshouldshouldtakethefollowingsteps.First,First,
andcheckthevoltageandfrequency.
9