Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG Motor Plants & Auxiliary Boilers (Set 12)

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Question 1 of 30

The area indicated by the letter "W", shown in the illustration is correctly termed the __________. Illustration MO-0112

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30 MCQs

#1 The area indicated by the letter "W", shown in the illustration is correctly termed the __________. Illustration MO-0112 #2 What is used as the primary operating medium during the sludge discharge cycle, shown in the illustration? Illustration MO-0112 #3 Where does the shoot cycle operating liquid first come in contact with the rotating forces of the device shown in the illustration? Illustration MO-0112 #4 The unit shown in the illustration is beginning the sludge discharge cycle. The operating liquid solenoid valve has been energized and space "J" is filling up. Which of the following actions should occur next? Illustration MO-0112 #5 What terminates the sludge discharge cycle of the device shown in the illustration? Illustration MO-0112 #6 During the normal operation of the centrifuge shown in the illustration, the operating liquid solenoid and bypass valves for the cleaning cycle should be in which position? Illustration MO-0112 #7 If the separating temperature is to remain constant, what is the relationship between the specific gravity of the oil and the required size of the regulating ring? Illustration MO-0113 #8 The diesel engine shown in the illustration has the highest fuel pressure developed in the part labeled __________. Illustration MO-0003 #9 For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because __________. #10 As shown in the illustration, the viscosimeter would be used to directly control the output of which of the following components? Illustration MO-0077 #11 Cooling the intake air supplied to a diesel engine will __________. #12 A large, low-speed, main propulsion diesel engine uses sea water to directly cool the __________. #13 An increase in the air inlet manifold pressure of a diesel engine will result in a/an __________. #14 In a naturally aspirated diesel engine, the volume of air intake is directly associated with engine __________. #15 Item labeled 'R' as shown in section 6 of the illustration is identified as the __________. Illustration MO-0025 #16 Which of the air intake systems listed will result in the lowest specific fuel consumption? #17 Compared to a naturally aspirated diesel engine, a supercharged diesel engine has __________. #18 A naturally aspirated diesel engine at full throttle will have an intake manifold pressure __________. #19 The power consumed during the scavenging process of a diesel engine is known as the __________. #20 The exhaust system for a turbocharged diesel engine functions to __________. #21 Exhaust pipes for separate main propulsion diesel engines can be combined only when __________. #22 One of the factors limiting the amount of load which can be put on a modern marine diesel engine is the __________. #23 In a diesel engine exhaust system, the cooling of the exhaust gases below their dew point, will result in __________. #24 The most common instrument used to measure diesel engine exhaust pressure is the __________. #25 Which of the diesel engine exhaust mufflers listed is usually equipped with a spark arrestor? #26 A water jacket is placed around the exhaust manifolds of propulsion diesel engines to __________. #27 In the engine shown in the illustration, the part labeled 'W' is cooled by __________. Illustration MO-0003 #28 The diesel engine shown in the illustration, which of the lettered parts listed is cooled by sea water? Illustration MO-0003 #29 The large, slow-speed, main propulsion diesel engine shown in the illustration, the part labeled 'B' contains __________. Illustration MO-0003 #30 Fuel injectors used in heavy fuel oil systems are usually provided with cooling to reduce __________.

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