更多"（）, we kept removing the pistons."的相关试题:
[单项选择]We have kept（）our friendship by writing to each other, so we are true friends.
A. back
B. up
C. off
D. down
[单项选择]The process of removing moisture from air is known as（）.
A. humidification
B. dehumidification
C. vaporization
D. evaporation
[单项选择]The most effective method in removing water from diesel fuel oil is by（）
A. centrifuging the fuel
B. using it in the engine
C. heating the fuel tanks
D. starting the fuel
[单项选择]Removing which will extinguish a fire?（）.
A. nitrogen
B. Carbon dioxide
C. Sodlium
D. Oxygen
[单项选择]Blocking open or removing fire dampers can cause（）.
A. fixed foam systems to be ineffective
B. faster cooling of the fire
C. the accumulation of explosive gases
D. the fire to spread through the ventilation system
[单项选择]The best tool to use for removing the carbon ridge at the top of an enginecylinder, prior to removing the piston, is to use（）
A. an electric grinder
B. a metal scraper
C. a reamer
D. a three-wing hone
[单项选择]A fire can be extinguished by removing （）.
A. the heat
B. the fuel
C. the oxygen
D. any of the above
[单项选择]The only means of removing the latent heat of condensation from a refrigerant in the normal refrigeration cycle is by （）.
A. passing it through the expansion valve
B. condensing refrigerant in the system condenser
C. passing the gaseous refrigerant through the heat interchanger on the suction side of the compressor
D. maintaining a high pressure on the systems receiver
[单项选择]Which will be a result of removing on-deck containers?（）.
A. KG will increase
B. Metacentric height will increase
C. KB will increase
D. Reserve buoyancy will decrease
[单项选择]Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
A. pilot charts
B. Notices to Mariners
C. Tide Tables
D. Current Tables
[单项选择]To ensure voice packets are kept within the Committed Information Rate (CIR) of a Frame Relay link, what should be used in the CPE?（）
A. prioritization
B. classification
C. fragmentation
D. traffic shaping
[单项选择]Fuel injection equipment must be kept in good condition, timed correctly, and the （）in each cylinder must also be carefully balanced so that individual cylinders are not overloaded.
A. MIP
B. MCR
C. MEP
D. BHP
[单项选择]Water level controllers of the boiler must be kept operable to protect external steam-using plant from water “（）” danger.
A. carry off
B. carry down
C. carry on
D. carry over
[单项选择]The crankcase of many diesel engines are kept under a slight vacuum by the （）.
A. scavenging action of the piston
B. piston type vacuum pump taking suction off a differential manometer
C. gland exhausting manometer
D. crankcase exhaust fan
[单项选择]After launching，an inflatable raft should be kept dry inside by（）.
A. Opening the automatic drain plugs
B. Draining the water pockets
C. Using the electric bilge pump
D. Using the bailers and cellulose sponge
[单项选择]The crankcases of many diesel engines are kept under a slight vacuum to （）
A. improve fuel economy
B. increase the air charge velocity
C. reduce the risk of explosion
D. all of the above
