Pass Benchmark: 70% • Standard: USCG NMC / 46 CFR
USCG Engine Safety (Supplementary) (Set 5)
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Question 1 of 30
In a two-stroke/cycle, opposed piston, diesel engine, one crankshaft operates several crank angles in advance of the other crankshaft to __________.
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30 MCQs #1 In a two-stroke/cycle, opposed piston, diesel engine, one crankshaft operates several crank angles in advance of the other crankshaft to __________. #2 The water inlet manifold for the diesel engine shown in the illustration is represented by the letter or number __________. Illustration MO-0122 #3 The diesel engine component labeled "3", shown in the illustration is called the __________. Illustration MO-0122 #4 The diesel engine connecting rods shown in the illustration are distinctively named __________. Illustration MO-0122 #5 Which of the following represents the diesel engine camshaft shown in the illustration and its relative rotating speed? Illustration MO-0122 #6 The rocker arms of the diesel engine shown in the illustration are indicated by __________. Illustration MO-0122 #7 The injector rack of the diesel engine shown in the illustration is indicated by the component labeled __________. Illustration MO-0122 #8 Which letter represents the exhaust gas exit point for the diesel engine shown in the illustration? Illustration MO-0122 #9 The main lube oil manifold, for the diesel engine shown in the illustration, is represented by the letter or number __________. Illustration MO-0122 #10 The diesel engine component labeled "1", shown in the illustration is called a/an __________. Illustration MO-0122 #11 The inlet valves for the diesel engine shown in the illustration are indicated by the letter or number __________. Illustration MO-0122 #12 The diesel engine component labeled "5", shown in the illustration is known as the __________. Illustration MO-0122 #13 What is the function of component "13" shown in the illustration? Illustration MO-0122 #14 Which of the components listed is only found in an opposed piston engine? #15 Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by __________. #16 A two-stroke/cycle diesel engine requires less starting air than a four-stroke/cycle diesel engine, of equal displacement, because the two-stroke/cycle diesel engine __________. #17 Where is the air charge for an air starting system stored? #18 Which of the following statements is true concerning the air starting valve, labeled "III", as shown in the illustration? Illustration MO-0046 #19 The pilot valves in an air pilot starting system for a two-stroke/cycle, direct-reversing, main propulsion diesel engine are operated by either a ported distributor disc or a/an __________. #20 During the starting of a diesel engine, compression gases are prevented from backing into the air starting system, shown in the illustration, by the __________. Illustration MO-0046 #21 A six-cylinder, four-stroke/cycle diesel engine is fitted with a rotary distributor type air starting system. The speed of the rotating distributor disc is __________. #22 When an air started, four-stroke/cycle diesel engine is being cranked over, the starting air is admitted to each cylinder during the beginning of its __________. #23 The pinion of an auxiliary diesel electric starting motor normally engages the flywheel ring gear by means of a/an __________. #24 In order to reverse the rotation of a two-stroke/cycle loop scavenged, direct reversing, propulsion diesel engine, the cam positions must be changed for the __________. #25 The component labeled "A" on the engine reversing device shown in the illustration, performs its function by transmitting _______. Illustration MO-0125 #26 Proper lubrication of the main bearings is more easily obtained in a single acting four- stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because __________. #27 The lube oil strainer shown in the illustration is used on the reduction gear of a mid- size diesel engine. The strainer elements consist of __________. Illustration MO-0057 #28 Where would a coarse screen wire-mesh strainer normally be found on a diesel engine lubrication system? #29 What type of engine lubrication oil filter system sends filtered oil directly to the high pressure supply gallery? #30 In a by-pass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the __________.
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