更多"The cooling water jacket is common "的相关试题:
[单项选择]Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in （）.
A. INTERNATIONAL LOADLINE CERTIFICATE
B. PASSENGER SHIP SAFETY CERTIFICATE
C. CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D. GENERAL DECLARATION
[单项选择]Making water rapidly in all holds，all passengers and crew were ordered on deck（）and all boats were lowered to rail.
A. in life jackets
B. with life jackets
C. with life jackets on
D. putting on life jackets
[单项选择]It's a common wish of all（）in a peaceful world.
A. live
B. living
C. lived
D. tolive
[单项选择]The purpose of compressing the air within the cylinder of a diesel engine is to （）
A. produce the heat for ignition
B. decrease injection lag
C. increase ignition delay
D. aid in exhausting burnt gases
[单项选择]The lube oil to lubricate the surfaces of the cylinder liners is spread over by the （）.
A. sliding piston rings
B. engines camshaft
C. small pumps
D. forced feed system
[单项选择]The rate of fuel injection in a diesel engine cylinder depends primarily on （）.
A. the size of the holes in the fuel nozzle
B. timing of the pump
C. supply pressure to the pump
D. shape of the combustion chamber
[单项选择]In the suction stroke air is induced into the cylinder （）In the compression stroke the air is compressed.
A. by an fuel valve
B. through an inlet valve
C. with an exhaust valve
D. from an outlet valve
[单项选择]Which of the devices listed is common to all types of pumps?（）
A. A power end and fluid end
B. A propeller and educator
C. A volute and impeller
D. A turbine and piston
[单项选择]Water fog from an all-purpose nozzle may be used to（）.
A. fight an electrical fire
B. fight a magnesium fire
C. eliminate smoke from a compartment
D. All of the above
[单项选择](Piston area)X(Piston stroke)K(numbers of the cylinders)=engine（）
A. brake horsepower
B. displacement
C. cylinder volume
D. cylinder clearance
[单项选择]When distilling salt water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to cut down the amount of cooling water needed
B. to prevent an excess amount of cooling water from being discharged to the bilges
C. to supply hot water to the evaporator for more economical operation
D. None of the above is tree
[单项选择]When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water （）.
A. to decrease scale formation
B. for better cooling effect
C. for more economical purpose
D. to raise vacuum
[单项选择]A water pump can not supply water after startingIt may be caused by （）.
A. closed discharge valve
B. broken pipe line
C. worn shaft
D. both A and B
[单项选择]After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.
A. 15；inlet value
B. 15；inlet and outlet value
C. 30；inlet value
D. 30；inlet and outlet value
[单项选择]The fresh water generator produces fresh water （）.
A. by cooling sea water
B. by heating sea water
C. by evaporation of sea water
D. by purifying sea water
[单项选择]（） water is more expensive than fresh water It has high specific heat and low viscosity.
A. Distilled
B. Distilling
C. Boiling
D. Boiled
[单项选择]The oil （） in the discharging water from oil water separator exceeds 15 PPM without alarm, because the coil was burnt out.
A. filter
B. hole
C. pollution
D. content
