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

USCG General Subjects (Auxiliaries & Systems) (Set 26)

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Question 1 of 30

In what application would a reflex type flat gauge glass be used?

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30 MCQs

#1 In what application would a reflex type flat gauge glass be used? #2 What is the operating principle of a variable area flow meter, such as a rotameter? #3 If a thermometer reads 80oC, what is the equivalent temperature in oF? #4 If a thermometer reads 850oF, what is the equivalent temperature in oC? #5 If an engine lubricating oils viscosity is given as SAE 20W as compared to SAE 20, what is the significant difference between the two lubricating oils? #6 The unloading system on an air compressor will __________. #7 The air compressor shown in the illustration, when used aboard a vessel is typically operated as __________. Illustration GS-0119 #8 The primary function of the device illustrated is to __________. Illustration GS-0029 #9 The device shown in the illustration is commonly used to __________. Illustration GS-0120 #10 The line labeled "E", as shown in the illustration, would be identified as the ______. Illustration GS-0175 #11 Which of the valves listed for the device shown in illustration will be open while the unit is operating in the back flush mode? Illustration GS-0153 #12 In the operation of a lube oil clarifier, the position of the oil/water interface should be __________. #13 A centrifuge will satisfactorily remove which of the listed substances from lube oil? #14 When water is removed from lube oil passing through a centrifugal purifier, the water removed will __________. #15 Constant capacity, pressure atomizing, fuel burners designed to meet a wide variation in steaming loads on an auxiliary boiler, are __________. #16 Which of the following statements concerning fire-tube boilers is correct? #17 A photoelectric cell installed in an automatically fired auxiliary boiler burner management system __________. #18 Fusible plugs are installed in fire-tube boilers to __________. #19 In a coil-type forced circulation auxiliary water-tube boiler, __________. #20 The boiler shown in the illustration would be classed as __________. Illustration MO-0064 #21 Which of the following technologies would be associated with a Type III marine sanitation device? #22 If a biological sewage treatment plant consists of three chambers, what is the sequential order of treatment chambers within the plant? #23 Besides promoting mixing of the bacterial population with the fecal waste material, what is the purpose of aeration system as used in a biological sewage treatment plant? #24 What statement is true concerning portable power tools? #25 What statement is true concerning the use of wrenches and drive tools as used to manipulate threaded fasteners? #26 What type of eye protection affords the best protection from severe exposure to airborne impact hazards? #27 Which bearing will carry the load on two small points diametrically opposite to each other? #28 Under what circumstances could equipment be operated when tagged with DANGER tags? #29 Under what conditions is a CAUTION tag installed at equipment control stations in preparation for performing maintenance or repairs? #30 A vessel is in compliance with federal regulations regarding the discharge of sewage by __________.

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