1.The Lubricant Is Expected to Have the Qualities Of

DENİZCİLİK İNGİLİZCESİ

1.The lubricant is expected to have the qualities of ......

A)Preventing metal-to metal contact

B)Causing metal to metal contact

C)Decrease friction

D)Decrease friction wear

E)All expect B

2.If one cylinder was getting more fuel than others the effect will be ------

A)That cylinder’s being overloaded

B)The exhaust valve’s being overheated

C)Average compression

D)Incomplete combustion

E)Complete combustion

3.------should be followed as a procedure, if it is necessary to pump bilges while a vessel is in port

A)Pumping only if discharge is led to a shore tank or barge

B)Pumping only during the hours of darkness

C)Pumping only on the outgoing tide

D)Pumping only as much as is necessary

E)Pumping only the day hours

4.A propulsion diesel engine is normally shut down by ------

A)Shutting off the air supply

B)Overspeeding the engine

C)Securing the fuel supply

D)Securing the ignition system

E)All above

5.Sediment collects in a tubular purifier:

A)On top cover

B)In drain line

C)On sides of bowl

D)On the discs

E)None of above

6.“Water hammer” is caused by:

A)Hitting water pipe with hammer

B)Too much water in pipe line system

C)Water in steam lines

D)Steam in water lines

E)Few amount of water in pipe line system

7.The valve which is always partially open when the evaporator is in operation is the:

A)Vapor valve

B)Continuous blowdown valve

C)Bottom blowdown valve

D)Surface blowdown valve

E)Fresh water valve

8.Studs and nuts intended for use in main steam line flanges and fittings are marked with an “H” or a “T” to show they are:

A)Heat resistant

B)Hard finished

C)Half threaded

D)Corrosion resistant

E)Fire proof

9.The rotating part of a micrometer is the:

A)Anvil

B)Barrel

C)Frame

D)Thimble

E)Cover

10.An advantage of aluminum pistons compared to cast iron pistons is:

A)Greater high temperature strength

B)Greater weight per cubic meter

C)Increased resistance to wear

D)Low temperature strength

E)Better heat conductivity

11.Trunk type diesel engine pistons are most effectively cooled when heat is:

A)Radiated through the engine block

B)Mixed with lubrication oil

C)Conducted through the piston crown

D)Transferred to escaping exhaust gases

E)Transferred to water cooled cylinder walls

12.Insufficient refrigerant in a refrigeration plant on board a ship may result in:

A)High discharge pressure

B)Frosting of the crankcase

C)High temperature of the overboard water

D)Low suction pressure

E)Low temperature of the sea water

13...... should be considered as a hazard on the propeller and a thorough examination and repair will be carried out when the vessel is in dry dock.

A)Bent blades

B)Signs of cracks on the blade edge

C)Deep pits and holes

D)Edge cracks

E)All above

14.Considering the fuel, ignition quality is determined by ......

A)Cetane number

B)Diesel index

C)Calculated cetane index

D)Flash point

E)All except D

15.When operating at high or low speed in the use of nozzles in a turbine, attention and precaution must be taken that ......

A)The nozzles in use should be wide open

B)Operation with a few nozzles as it’s economical

C)The nozzles not in use must be tightly closed

D)All above

E)Only A and B

16.------protects the pump shafts from erosion, corrosion and wear

A)Wearing rings

B)Renewable sleeves

C)A hardened metal coating

D)Internally flooded lantern rings

E)Lantern rings

17.It shall be the responsibility of the ------to prepare the boilers for inspection.

A)Chief Engineer

B)2nd Engineer

C)Boatswain

D)2nd officer

E)Any above organization

18.Performance of a turbocharged engine can be improved by:

A)Decreasing valve over lap

B)Preheating

C)Aftercooling intake air

D)Preheating light fuels

E)Heating intake air

19.When maneuvering, you discover heavy smoke coming from the turbocharger casing. You should:

A)Check the air filter for dirt

B)Check for an exhaust leak

C)Check the cooling water temperature

D)Notify the bridge and ask to shut the engine down

E)Check fuel oil consumption

20.A device which will function to bring an engine to a full stop in order to protect it from damage due to excessively high speed is known as a/an:

A)Torque limiter

B)Overspeed trip

C)Overspeed governor

D)Load limit governor

E)Any of above