你可能喜欢
单项选择题
A.Ring type
B.Fork type
C.Spade type
D.Push on pull off type
单项选择题
A.anaerobic bacteria
B.aerobic bacteria
C.air bubbles
D.disinfection chemicals
单项选择题
A.the temperature and flow quantity of the exhaust gas from M.E
B.the quantity of steam demanded
C.the rotary speed and the cooling water temperature of main engine
D.efficiency of M.E turbocharger
单项选择题
A.purge lube oil from the liquid refrigerant
B.recover water purged from the system
C.separate foul gases from the receiver
D.purge non-condensable gases without losing refrigerant
单项选择题
A.Sub-cooled liquid
B.Sub-cooled vapor
C.Superheated vapor
D.Liquid
单项选择题
A.incorrect electrode setting
B.incorrect nozzle position
C.clogged fuel nozzle
D.broken high tension lead
单项选择题
A.decreasing the compression ratio
B.using a special fuel having a high ignition temperature
C.increasing the starting air supply
D.heating the jacket water
单项选择题
A.an air start cam
B.cylinder compression pressure
C.starting air pressure
D.valve springs
单项选择题
A.ignition quality of the fuel
B.calorific value of the fuel
C.flash point of the fuel
D.rate of fuel consumption
单项选择题
A.distillate
B.seawater
C.brine
D.air