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

USCG Motor Plants & Auxiliary Boilers (Set 8)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

The exhaust ports shown in the illustration are identified with the letter '____'. Illustration MO-0003

Browse Questions in Set 8

30 MCQs

#1 The exhaust ports shown in the illustration are identified with the letter '____'. Illustration MO-0003 #2 The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by __________. #3 The insertion of shims between the foot of a marine type connecting rod and a bearing box would result in __________. #4 The diesel engine water inlet jumper illustrated is represented by the letter or number __________. Illustration MO-0122 #5 Which of the listed cylinder head design features is shown in the illustration? Illustration MO-0013 #6 The diesel engine rocker arms shown in the illustration serve to __________. Illustration MO-0122 #7 During the power stroke, the side thrust of a trunk type piston is a result of the angle __________. #8 Which of the bearings listed below is most widely used for the main and connecting rod bearings of a modern high-speed diesel engine? #9 Auxiliary diesel engines can be automatically shut down as a result of __________. #10 Lube oil pumps taking suction from the sump of most small marine engines are usually __________. #11 When a generator diesel engine is operated at partial load, as compared to full load, a decrease will occur in the average __________. #12 Which of the routine maintenance procedures listed is required for starting air receivers? #13 When starting a diesel engine at temperatures below 70°F, the frictional resistance to turning will be __________. #14 Starting air check valves are held firmly on their seats by __________. #15 In addition to the main starting air compressor, another air compressor, driven by a separate power source, is installed to __________. #16 An accumulator used in a hydraulic starting system is generally located between the __________. #17 Which of the listed diesel engine starting systems is most susceptible to difficulties in cold weather? #18 Starting systems for large, direct reversing, main propulsion diesel engines are usually __________. #19 In a direct cylinder admission air starting system, once the engine begins to fire, the air starting check valve illustrated, is closed by __________. Illustration MO-0107 #20 In a medium-speed marine propulsion engine equipped with direct admission air starting valves, the cylinders without air starting valves fire first because the __________. #21 Air motors used for starting some auxiliary diesel engines are generally the type known as a/an __________. #22 Which internal combustion engine starting system uses a vane type fluid motor? #23 The illustration is of a/an __________. Illustration MO-0044 #24 Hydraulic starters are installed on many lifeboat diesel engines instead of comparable air start systems, because __________. #25 Which type of starter motor is normally used in a diesel engine hydraulic starting system? #26 When an engine fitted with a hydraulic starting system starts up, the starter is protected from the higher speed of the engine by __________. #27 The purpose of the engine-driven hydraulic pump in an auxiliary diesel engine hydraulic starting system is to __________. #28 In a Bendix starter drive, the pinion engagement with the flywheel ring gear is initiated by __________. #29 In a diesel engine starting motor equipped with a Bendix drive, the pinion moves and meshes with the flywheel ring gear due to __________. #30 Which of the following operating characteristics of the Bendix drive friction clutch is associated with a Bendix drive starter?

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...