Pass Benchmark: 70% • Standard: USCG NMC / 46 CFR
USCG Engine Safety (Supplementary) (Set 7)
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Question 1 of 30
Which set of valves will be opened intentionally to remove heat from the main engine jacket cooling water system shown in the illustration? Illustration MO-0111
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30 MCQs #1 Which set of valves will be opened intentionally to remove heat from the main engine jacket cooling water system shown in the illustration? Illustration MO-0111 #2 What is the function of the device labeled "3" shown in the illustration? Illustration MO-0111 #3 What is the function of the item "7" shown in the illustration? Illustration MO-0111 #4 The operation of the lube oil cooler, shown in the illustration as item #4, will be characterized by which of the following statements? Illustration MO-0111 #5 What is the primary function of item '15' shown in the illustration? Illustration MO-0111 #6 Which of the following statements represents the two major functions provided by the item labeled "20" shown in the illustration? Illustration MO-0111 #7 The items labeled "21" and "22", shown in the illustration are used to remove __________. Illustration MO-0111 #8 Which of the following statements describes what will occur to the volume of water vapor as it is exposed to the lower temperatures existing in the device labeled "24" shown in the illustration? Illustration MO-0111 #9 Device "27" shown in the illustration is used to __________. Illustration MO-0111 #10 Which of the valve arrangements listed would be correct for operating the distillation plant shown in the illustration? Illustration MO-0111 #11 Excess brine accumulated in the distiller, shown in the illustration, is removed during normal operation by __________. Illustration MO-0111 #12 During operation which device listed removes air and non-condensable gases from the unit shown in the illustration? Illustration MO-0111 #13 The graphic dotted line between items "27", "12", "9", and "20", shown in the illustration, is used to indicate the use of __________. Illustration MO-0111 #14 Excluding line losses, how many distinct pressure drops will occur as sea water flows through all the heat exchangers in the cooling system shown in the illustration? Illustration MO-0111 #15 Which device is used to prevent over pressurization of the illustrated distiller? Illustration MO-0111 #16 Where is the latent heat obtained to create vapor from the feed water in the illustrated distiller? Illustration MO-0111 #17 Which of the following statements describes the approximate relation between the feed water entering the unit shown in the illustration and brine being removed? Illustration MO-0111 #18 Cooling water pumps driven by direct-reversing diesel engines are usually __________. #19 After cooling of a turbocharged diesel engine will result in __________. #20 The process of scavenging a two-stroke/cycle diesel engine serves to __________. #21 When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion? #22 The average exhaust temperature of a two-stroke/cycle diesel engine with a turbine- driven supercharger is lower than a similar four-stroke/cycle diesel engine at equal loads because __________. #23 Clearance volume scavenging in a turbocharged, four-stroke/cycle diesel engine is accomplished __________. #24 Which of the following statements is correct regarding a turbocharged four- stroke/cycle diesel generator? #25 Large, two-stroke/cycle, main propulsion, diesel engine cylinders can be successfully pressure charged during normal operation, by using the __________. #26 Which of the turbo charging systems listed operates with the least average back pressure in the exhaust manifold? #27 Which of the turbo charging methods listed directs the exhaust gases to the turbine at fairly uniform velocity and pressure? #28 In a two cycle diesel engine, a Roots type blower is usually __________. #29 Which of the operating characteristics listed is correct concerning the blower shown in the illustration? Illustration MO-0082 #30 Air scavenging of the cylinder shown in the illustration, begins between figures __________. Illustration MO-0025
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