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

USCG Motor Plants & Auxiliary Boilers (Set 10)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

Which of the following statements is true concerning a main diesel engine oil cooler?

Browse Questions in Set 10

30 MCQs

#1 Which of the following statements is true concerning a main diesel engine oil cooler? #2 Heat exchangers are most commonly found in a small auxiliary diesel engine __________. #3 Reduction gear lube oil temperatures for keel cooler installations are generally __________. #4 One advantage of a vacuum feed sight glass indicator used on cylinder lubricators over the discharge side liquid filled type sight glass is __________. #5 Mechanical lubricators for diesel engine cylinders are usually small reciprocating pumps which are __________. #6 The rate of cylinder lubricating oil metered to each cylinder of a large, low-speed, main propulsion diesel engine is __________. #7 The device shown in figure "A" of the illustration is used to __________. Illustration MO-0042 #8 The illustrated device is used to __________. Illustration MO-0050 #9 The adverse effects of burning high sulfur fuel can be compensated for by using a cylinder oil having sufficient __________. #10 The device shown in the illustration is classified as a/an __________. Illustration MO-0008 #11 The device shown in the illustration is a __________. Illustration MO-0008 #12 The purpose of an oil mist detector in a main propulsion diesel engine is to warn of __________. #13 Which of the following problems could develop due to the accumulation of oil vapors in the crankcase of a diesel engine? #14 Crankcase explosions in propulsion diesel engines result from __________. #15 For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an __________. #16 Shaker, circulation, and spray are the three general methods used in __________. #17 A 'Blotter test' is a test performed on the lube oil of a diesel engine which can determine ______. #18 If the analysis of used lube oil indicates a high content of iron particles, this could indicate __________. #19 A decrease in the flash point of diesel engine lube oil indicates the lube oil has become __________. #20 Starting aids such as glow plugs, are installed on __________. #21 Which of the combustion chambers shown in the illustration is referred to as an "energy cell" used in some small diesel engines? Illustration MO-0068 #22 The purpose of the energy cell, or air cell, is to __________. #23 A multi-orifice fuel injection nozzle is usually used with which of the listed types of combustion chamber? #24 Open combustion chambers are designed to __________. #25 What type of marine engine has a fuel nozzle and combustion chamber located between two pistons in a common cylinder liner? #26 Precombustion chambers differ from turbulence chambers in that precombustion chambers __________. #27 Starting aids, such as glow plugs, are usually installed on __________. #28 The combustion of fuel for the illustrated engine is initiated by __________. Illustration MO-0020 #29 Which of the listed types of precombustion chambers is used in the diesel engine shown in the illustration? Illustration MO-0007 #30 The desirable properties of a marine fuel oil should include __________.

Question Discussion & Notes

0

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

Loading mariner discussions...