A、free entry of air to the crankcase
B、water entering the crankcase while engine wash-downs are being performed
C、excessive oil leakage during periods of increased blow-by
D、sub-cooling internal components
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<em>Aem>、<em>Aem>.slow-speed <em>dieselem> B、B.medium-speed <em>dieselem> C、C.high-speed <em>dieselem> D、D.const<em>aem>nt-speed <em>dieselem>
<em>Aem>、most critic<em>aem>l in <em>aem> four-stroke cycle <em>dieselem> engine B、most critic<em>aem>l in <em>aem> two-stroke/cycle <em>dieselem> engine C、most critic<em>aem>l in <em>aem> four-stroke/cycle <em>dieselem> engine if it is turboch<em>aem>rged D、of equ<em>aem>l import<em>aem>nce in <em>aem> two-stroke/cycle <em>dieselem> engine <em>aem>s in <em>aem> four-stroke/cycle <em>dieselem> engine
<em>Aem>、to fuel oil inste<em>aem>d of <em>dieselem> oil B、for fuel oil inste<em>aem>d of <em>dieselem> oil C、to <em>dieselem> oil into fuel oil D、for <em>dieselem> oil into fuel oil
<em>Aem>、be<em>aem>ring pressure in <em>aem> four-stroke\cycle <em>aem>cting single <em>dieselem> engine is continu<em>aem>lly reversed B、be<em>aem>ring pressure in <em>aem> two-stroke\cycle single <em>aem>cting <em>dieselem> engine is continu<em>aem>lly reversed C、the m<em>aem>ximum be<em>aem>ring pressure is higher in <em>aem> single <em>aem>cting two-stroke/cycle <em>dieselem> engine D、two-stoke/cycle <em>dieselem> engines require more complic<em>aem>ted lubric<em>aem>tion piping
<em>Aem>、<em>Aem>.<em>dieselem> oil inste<em>aem>d of fuel oil B、B.fuel oil inste<em>aem>d of <em>dieselem> oil C、C.<em>dieselem> oil inste<em>aem>d fuel oil D、D.fuel oil inste<em>aem>d <em>dieselem> oil
<em>Aem>、<em>Dieselem> engines h<em>aem>ve more <em>aem>dv<em>aem>nt<em>aem>ges in comp<em>aem>rison with g<em>aem>soline engines B、<em>Dieselem> engines h<em>aem>ve more <em>aem>dv<em>aem>nt<em>aem>ges in comp<em>aem>rison to g<em>aem>soline engines C、G<em>aem>soline engines h<em>aem>ve more <em>aem>dv<em>aem>nt<em>aem>ges in comp<em>aem>rison with <em>dieselem> engines D、G<em>aem>soline engines h<em>aem>ve more <em>aem>dv<em>aem>nt<em>aem>ges in comp<em>aem>rison to <em>dieselem> engines
<em>Aem>、one h<em>aem>lf cr<em>aem>nksh<em>aem>ft speed in <em>aem> two-stroke cycle <em>dieselem> engine B、cr<em>aem>nksh<em>aem>ft speed in <em>aem> two-stroke cycle <em>dieselem> engine C、two times cr<em>aem>nksh<em>aem>ft speed in <em>aem> two-stroke cycle <em>dieselem> engine D、one-fourth times cr<em>aem>nksh<em>aem>ft speed in <em>aem> four-stroke cycle <em>dieselem> engine
<em>Aem>、<em>Aem>t zero lo<em>aem>d the int<em>aem>ke m<em>aem>nifold pressure is gre<em>aem>ter th<em>aem>n the exh<em>aem>ust m<em>aem>nifold pressure B、<em>Aem>t full lo<em>aem>d the int<em>aem>ke m<em>aem>nifold pressure <em>aem>nd exh<em>aem>ust m<em>aem>nifold pressure <em>aem>re equ<em>aem>l C、<em>Aem>t full lo<em>aem>d the int<em>aem>ke m<em>aem>nifold pressure is less th<em>aem>n the exh<em>aem>ust m<em>aem>nifold pressure D、<em>Aem>t full lo<em>aem>d the int<em>aem>ke m<em>aem>nifold pressure is gre<em>aem>ter th<em>aem>n the exh<em>aem>ust m<em>aem>nifold pressure
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