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

USCG Motor Plants & Auxiliary Boilers (Set 32)

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Question 1 of 17

When installing the bearing cap on the device shown in the illustration, which of the precautions listed must be observed? Illustration MO-0121

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17 MCQs

#1 When installing the bearing cap on the device shown in the illustration, which of the precautions listed must be observed? Illustration MO-0121 #2 The gear drive, shown in the illustration, can have the backlash determined best by using a __________. Illustration MO-0091 #3 The boiler shown in the illustration would be classed as __________. Illustration MO-0064 #4 The gage glass on a coil-type auxiliary boiler is connected to the __________. #5 In the water level electrode assembly, shown in the illustration, the feed pump should restart when the level of the water reaches the position indicated by arrow '____'. Illustration MO-0047 #6 As shown in the illustration, the component labeled "H" would be identified as a ________. Illustration MO-0128 #7 As shown in the illustration, the function of component "1" is to ________. Illustration MO-0128 #8 When checking for the presence of sulfite in the feedwater of an auxiliary boiler, you are in essence checking __________. #9 The starter control valve in the hydraulic system shown in the illustration is malfunctioning. Before removing the valve, you must first __________. Illustration MO-0049 #10 An immediate repair is required if a leak occurs in the high-pressure fuel piping between the injection pump and fuel nozzle because of the __________. #11 What is the best way of stopping an overspeeding diesel engine? #12 Oil in a scavenging air space on a slow-speed diesel engine can be ignited by which of the following? #13 Coast Guard Regulations (46 CFR Part 56) require steel tubing connections and fittings used with diesel fuel oil systems to be either flared or __________. #14 A diesel engine operates erratically, overspeeds, and fails to restart when cranked at normal speed. Which of the following problems is the most likely cause for the engine failing to restart? #15 The pneumatic circuit shown in the illustration is part of a complex large low-speed engine control system. Which of the following statements describes the function of this circuit? Illustration MO-0117 #16 If the input signal rises above the setpoint of '17A', shown in the illustration, but remains below the setpoint of '17B', the output from '22A' will __________. Illustration MO-0114 #17 The reversing cams of some four-stroke cycle diesel engines are brought into position by __________.

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