Pass Benchmark: 70% • Standard: USCG NMC / 46 CFR
USCG Engine Safety (Supplementary) (Set 4)
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Question 1 of 30
Which of the following relationships exists between the temperatures developed in a combustion space, and the compression ratio of the engine?
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30 MCQs #1 Which of the following relationships exists between the temperatures developed in a combustion space, and the compression ratio of the engine? #2 The component shown in the illustration would be identified as a ______. Illustration MO-0097 #3 The component identified as item #15 is used to __________. Illustration MO-0016 #4 In the large slow-speed main propulsion diesel engine shown in the illustration, the part labeled "G" is the __________. Illustration MO-0003 #5 Regarding the fuel injector shown in the illustration, the purpose of piece No. 38 is to __________. Illustration MO-0059 #6 Which type of diesel engine fuel nozzle is shown in the illustration? Illustration MO-0059 #7 A main propulsion diesel engine is normally shut down by __________. #8 The over speeding of the diesel engine driving an electric generator could cause __________. #9 The pneumatic circuit shown in the illustration is part of a control system used with large low speed diesel engines. The arrangement may be used to control __________. Illustration MO-0118 #10 The symbol with the output 'ee' shown in the illustration, is properly called a blocking valve. Which of the following statements describes its function when incorporated into a slow speed diesel engine pneumatic control circuit? Illustration MO-0116 #11 Which of the types of reduction gearing listed is best suited for medium speed main propulsion units? #12 How is lubrication provided to the device shown in the illustration? Illustration MO-0120 #13 What prevents the thrust bearing blocks shown in the illustration from rotating within the housing? Illustration MO-0120 #14 Which area of the indicator diagram illustrated, indicates the ignition delay period in a diesel engine cylinder? Illustration MO-0033 #15 On the cylinder indicator diagram illustrated, the maximum rise in pressure occurs during the period labeled as ______. Illustration MO-0033 #16 In the pressure-volume diagram shown in the illustration, the atmospheric pressure line is indicated by line __________. Illustration MO-0035 #17 Which of the indicator diagrams illustrated depicts the condition that should be corrected by retarding only the timing? Illustration MO-0029 #18 Which of the indicator diagrams illustrated indicates the condition that should be corrected by retarding the timing, and the fitting of thicker shims to the connecting rod? Illustration MO-0029 #19 In the slow speed diesel engine shown in the illustration, the part labeled "E" is the __________. Illustration MO-0003 #20 Which letter represents the scavenging air system non-return valve in the illustration? MO-0003 #21 In the diesel engine shown in the illustration, the purpose of the part labeled "P" is to __________. MO-0003 #22 The part labeled "X" shown in the illustration is a __________. MO-0003 #23 Which of the following processes is indicated by the flow arrows shown in the illustration? Illustration MO-0026 #24 Which of the listed design features is most common with a two-stroke cycle, low- speed main propulsion diesel engine? #25 The fuel injector for the diesel engine shown in the illustration, is identified as _________. MO-0122 #26 Which letter represents the top deck (valve) cover of the engine shown in the illustration? Illustration MO-0122 #27 Device 'E' shown in the illustration is known as the __________. Illustration MO-0122 #28 Component 'U' of the diesel engine shown in the illustration is called the __________. Illustration MO-0122 #29 The diesel engine wrist pin in the illustration is indicated by the component labeled __________. Illustration MO-0122 #30 Item '17' in the illustration is the dipstick. When should the length of the dipstick be changed? Illustration MO-0122
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