第一章 船舶动力装置

• 751、

  Which of the following statements concerning fire

• 752、

  In a diesel engine cooling water system, a pH of

• 753、

  Indirect cooling of fuel injector nozzle holders

• 754、

  The pH value of water in a diesel engine closed c

• 755、

  The purpose of the safety relief valves installed

• 756、

  The most common contaminate of governor hydraulic

• 757、

  Which of the substances listed is satisfactorily

• 758、

  A magnetic strainer is used in the diesel engine

• 759、

  A two-stroke diesel engine exhaust temperature wi

• 760、

  In order to reverse the rotation of a two-stroke/

• 761、

  Misalignment of the drive shaft and propeller sha

• 762、

  What is the crank angle between any two crank thr

• 763、

  The linear motion of a diesel engine piston is co

• 764、

  High diesel engine cooling water temperatures can

• 765、

  The rotary motion of a diesel engine crankshaft i

• 766、

  High diesel engine cooling water temperatures can

• 767、

  A diesel engine is operating at 1800 RPM and driv

• 768、

  A viscous damper, as used on a marine diesel, is

• 769、

  Loss of lubricating oil pressure to the main prop

• 770、

  Higher than normal jacket water temperatures occu

• 771、

  When centrifuging heavy fuel oil, an important fa

• 772、

  A crankshaft whose center of gravity coincides wi

• 773、

  The amount of fuel injected in a particular time,

• 774、

  In a normally operating diesel engine, the main c

• 775、

  The air supplied to a diesel engine is compressed

• 776、

  The possibility of damage from operating a diesel

• 777、

  If the jacket water temperature of an operating d

• 778、

  In an auxiliary boiler steam and water system, th

• 779、

  A dirty diesel engine oil filter element can best

• 780、

  Increasing the load on an engine equipped with a

• 781、

  The small end of the connecting rod is attached t

• 782、

  Before starting a diesel engine that has an engin

• 783、

  In a diesel engine lube oil system, which of the

• 784、

  Fuel oil transfer systems used onboard diesel pro

• 785、

  Connecting rods in a diesel engine are used to co

• 786、

  The term “proper metering ”, as applied to a dies

• 787、

  The rate of heat transfer in a water-tube auxilia

• 788、

  Immediately after any diesel engine is started, t

• 789、

  In diesel engines designed with a crosshead, the

• 790、

  When reassembling the bowl of a disk-type centrif

• 791、

  Load control on a diesel engine is accomplished b

• 792、

  Auxiliary boilers are divided into several classi

• 793、

  Engine displacement is equal to the cylinder ____

• 794、

  In a diesel engine, excessive cylinder liner wear

• 795、

  The opening of an exhaust valve on a modem, large

• 796、

  The diameter of a piston is usually less at the c

• 797、

  The power output of a turbocharged diesel engine

• 798、

  What occurs in the combustion space of a diesel e

• 799、

  Successful combustion inside the cylinders of a d

• 800、

  Which of the combustion parameters listed is used

• 801、

  An advantage of aluminum pistons, when compared t

• 802、

  In describing engine operation, what does the ter

• 803、

  Improper cooling of a diesel engine cylinder line

• 804、

  Diesel engine exhaust gas temperatures can be use

• 805、

  Which statement about diesel engine combustion is

• 806、

  All of the diesel engine cylinder firing pressure

• 807、

  Proper atomization of fuel in diesel engine combu

• 808、

  The ability of a fuel particle to travel into the

• 809、

  The effective stroke of a constant-stroke, indivi

• 810、

  A piston in a four-stroke/cycle diesel engine mak

• 811、

  The diesel engine valve subjected to most severe

• 812、

  The lower section of a piston is called the _____

• 813、

  Scale and dirt accumulation in the waterside of a

• 814、

  A change in the degree of fuel atomization in a d

• 815、

  Which of the following devices is a common basic

• 816、

  Theoretical perfect combustion in a diesel engine

• 817、

  In a bypass type lubrication system for a diesel

• 818、

  Diesel engine exhaust temperatures may be used to

• 819、

  In a diesel engine, an extremely leaking exhaust

• 820、

  What is the term given to the process of breaking

• 821、

  For a given fuel, a change in the compression rat

• 822、

  Turbulence in a diesel engine cylinder is of majo

• 823、

  The required amount in the change of speed necess

• 824、

  Which of the following problems may occur if the

• 825、

  Exhaust valve grooving and corrosion is caused by

• 826、

  Whether using a centrifuge or a simple filter, oi

• 827、

  High firing pressures and a low exhaust temperatu

• 828、

  Poor combustion in a diesel engine can be caused

• 829、

  The longer the ignition delay period occurs in a

• 830、

  Which term describes piston pins having bearing s

• 831、

  Which of the following devices is common to both

• 832、

  On most diesel engines, the governor controls the

• 833、

  High exhaust temperature and black smoke exhausti

• 834、

  Any increase in the exhaust back pressure of a fo

• 835、

  If fuel injection to a four-stroke/cycle diesel e

• 836、

  Which of the following problems can cause fluctua

• 837、

  An increased pressure differential between the in

• 838、

  A diesel engine with a combustion chamber located

• 839、

  To successfully reduce an excessively high diesel

• 840、

  Which of the two events listed occurs simultaneou

• 841、

  To determine if the lube oil filter elements need

• 842、

  Diesel engine control can be obtained by the brid

• 843、

  Combustion knock can occur in the cylinders of a

• 844、

  Control of the main propulsion diesel engines can

• 845、

  A thrust bearing is used with a propulsion diesel

• 846、

  Combustion knock occurring in a diesel engine can

• 847、

  In using reduction gears to obtain efficient prop

• 848、

  In using reduction gears to obtain efficient prop

• 849、

  Lube oil cannot be efficiently filtered if its __

• 850、

  For a given size engine, the two-stroke/cycle die

• 851、

  The minimum speed an engine must attain before ig

• 852、

  An automated diesel engine should normally shut d

• 853、

  Proper filtering and straining of fuel oil is imp

• 854、

  Lube oil filters remove contaminants more efficie

• 855、

  What is the function of the thrust bearing?

• 856、

  The ability of the governor to prevent fluctuatio

• 857、

  In a simple mechanical governor, the _____.

• 858、

  If the water level dropped rapidly in the expansi

• 859、

  A diesel engine piston ring face is in direct con

• 860、

  The function of diesel engine piston compression

• 861、

  A diesel engine is operating with excessively hig

• 862、

  Routine monitoring of a diesel engine should incl

• 863、

  If a diesel engine is difficult to start and oper

• 864、

  When would the available energy of the exhaust ga

• 865、

  Electrically operated safety devices on auxiliary

• 866、

  White smoke exhausting from an operating diesel e

• 867、

  If the main engine of an unattended engine room s

• 868、

  In diesel engines, the four basic events （intake,

• 869、

  Engine protection by means of an alarm or shutdow

• 870、

  Maximum horsepower of a diesel engine is attained

• 871、

  The main purpose of the piston oil scraper rings

• 872、

  What causes diesel fuel to be ignited in the cyli

• 873、

  The highest pressure in a diesel engine cylinder n

• 874、

  How many power strokes per crankshaft revolution

• 875、

  The most important factor in engine performance i

• 876、

  When fuel oil has seriously contaminated a diesel