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0111  An electrically driven automatically operating auxiliary blower is provided for slow speed and_____ of a low speed diesel engine.

       A. manoeuvring operations     B. bad combustion

       C. cooling                    D. mooring trial

0112  An increase in load on a diesel engine results in_____ of speed of the crankshaft.

A. a reduction    B. an increase   

C. an outing      D. a downwards

0113  An indicator diagram is a pressure-volume graph taken from the pressure in the_____ of a working engine.

A. crankcase        B. fuel pump   

C. scavenge trunk    D. cylinder

0114  An interlock in the remote operating valve line stops the valve_____ when the engine turning gear is engaged.

A. to open    B. opening   

C. open      D. opened

0115  An overspeed safety device is usually fitted to a generator engine for_____ in the event of overspeed.

       A. cutting power off the engine

       B. increasing the fuel pump setting

       C. braking the crankshaft

       D. stabilizing the ship speed

0116  As a heat engine, _____ energy is the source of power by which the diesel engine can be operated.

       A. electric    B. heat    C. mechanical    D. exhaust

0117  As for a diesel engine, lack of combustion air may be due to_____.

       A. fouling turbine            B. fuel pump faults

       C. lubrication failure         D. excessive cooling

0118  As the plunger moves up, the ports are closed and the fuel_____ and delivered to the injector nozzle at very high pressure.

       A. being compressed          B. to be pumped up

       C. is pressurized             D. are built up

0119  At least_____ cylinders in a two-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.

       A. 6    B. 12    C. 4    D. 8

0120  At least_____ cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.

       A. 6    B. 2    C. 12    D. 8

0121  At the top of the A-frames there is a strong cast iron frame called_____.

       A. cylinder liner         B. cylinder cover

       C. the gear box          D. the scavenging box

0122  Be sure to make the engine turn by_____ before starting and after stopping.

       A. steering gear          B. turning gear

       C. steering wheel         D. turning cycle

0123  Bearing knocks are likely to occur from_____.

       A. less clearance          B. dirty lube oil

       C. overload              D. bearing wear

0124  Because the castings of smaller engines are not so big and heavy, _____ and cylinder block may be made in one piece.

       A. the column            B. the jacket

       C. cylinder cover         D. cylinder liner

0125  Bedplates are the_____ of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.

A. hull             B. projection   

C. graphitication    D. foundation

0126  Before "stand by" _____ on the engine telegraph, it is usual to give the main diesel engine a brief trial on power ahead and astern.

       A. is delivered       B. is rung

       C. is sent           D. is transferred

0127  Before "stand by" is rung on the engine telegraph, it is usual to give the main diesel engine a brief trial_____ ahead and astern.

A. with Dower    B. on power   

C. with air       D. on air

0128  Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine_____ ahead and astern.

A. a brief trial with turning gear              

B. a brief trial on power

C. a long trial by steering gear               

D. one minute's trial with windlass

0129  Before a marine diesel engine is started the cylinders and pistons must be_____.

       A. cooled to appropriate temperature

       B. warned up gradually to appropriate temperature

       C. opened up and renewed

       D. ground and polished

0130  Before being used the fuel service tank should be drained of_____.

       A. soda solution        B. mechanical impurities

       C. ballast              D. water and residuals

0131  Before installing the seal, every part of the_____ and the rod should be carefully cleaned.

A. bed-plate      B. crankcase   

C. evaporator    D. packing box

0132  Before pumping up the crankcase oil, _____ should be worked by hand to minimize corrosive action on the liners.

       A. the indicators             B. the starting valves

       C. the cylinder lubricators     D. the turning gear

0133  Before putting on the starting air, the reversing and control gear should be

A. operated    B. stopped   

C. checked    D. removed

0134  Before replacing a piston you should check that all rings are_____.

A. free       B. fastened   

C. broken    D. stuck

0135  Before replacing a piston you should check the rings to see that all clearances and gaps are _____ the permissible tolerances.

       A. above     B. at     C. over    D. within

0136  Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible_____.

A. deflection    B. discrepancy   

C. error        D. tolerance

0137  Before starting the engine the air bottle should be_____.

A. pumped up    B. loaded   

C. discharged    D. opened

0138  Before starting the turning gear, _____ should be worked by hand to minimize corrosive action on the liners.

       A. the indicators            B. the starting valves

       C. the cylinder lubricators    D. the turning gear

0139  Blow-off of the relief valves of the engines cylinders may be caused by_____.

       A. too low lead              B. water in fuel

       C. too tight spring           D. leakage

0140  Blow-off of the relief valves of the main cylinders during operation indicates_____.

A. the cylinder cover is cracked              

B. the injector holes is clogged

C. the cams are not properly set              

D. fuel pump is leaking

0141  Bridge gauge can be used to measure_____ of a diesel engine.

A. diameters of journals                     

B. deflections of crankwebs

C. diameters of crankpins                    

D. none of the above

0142  Burmeister & Wain engines are very reliable but they very wisely provide excellent documentation to cover many contingencies或有费用 which may only rarely_____.

       A. arise    B. rise    C. raise    D. risk

0143  Care and cleanliness are required when installing diesel fuel filters_____.

       A. to prevent the fuel system from becoming air-hound

       B. to prevent the fuel system becoming clogged with dirty particles

       C. both of the above

       D. to prevent the lubricating oil from leaking out of the filter element

0144  Cast iron carrier rings, _____ machined grooves, are provided for all the pistons.

A. caulked into    B. caulking into   

C. pressed into         D. screwed into

0145  Charging is the filling of the engine cylinder with a supply of_____ for compression.

       A. water    B. fresh air    C. fuel oil    D. gas

0146  Charging is the filling of the engine cylinder with a supply or charge of fresh air _____ compression.

A. to need    B. ready for   

C. want to    D. going to be