Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG General Subjects (Auxiliaries & Systems) (Set 28)
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Question 1 of 30
The reading on the micrometer scale shown in figure "D" in the illustration is __________. Illustration GS-0081
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30 MCQs #1 The reading on the micrometer scale shown in figure "D" in the illustration is __________. Illustration GS-0081 #2 It is necessary to 'chalk' a file when the metal you are filing is __________. #3 A new file should be broken in carefully by filing a piece of __________. #4 Pushing the file endways (or with the axis), under pressure, against the work, is called __________. #5 Which of the files listed is tapered on all sides and used to enlarge rectangular-shaped holes and slots? #6 The terms rough, coarse, bastard, second cut, smooth, and dead smooth refer to the __________. #7 Which of the figures illustrated is not suitable for use as a hex head set screw? Illustration GS-0080 #8 With regards to the American National Screw Thread nomenclature, 'pitch' is the __________. #9 Which of the following types of nuts would be best suited to use when it is important that a nut not work itself loose due to vibration? #10 The shaft sleeve for the pump illustrated is identified by the item numbered as __________. Illustration GS-0143 #11 The simplest method to use for determining if a centrifugal pump is operating as designed is to __________. #12 A centrifugal bilge pump requires priming __________. #13 Allowances may be made for the expansion and contraction in piping by the use of expansion joints or __________. #14 A pipe coupling is a fitting having __________. #15 The designation 'schedule 80 extra strong' refers to __________. #16 Fittings used to close the ends of pipe are called 'pipe _____________'. #17 Which of the following descriptions should be included when identifying the length for pipe nipples? #18 All of the links in the next to the last inboard shot of chain are painted __________. #19 All of the links in the last shot of anchor chain are painted __________. #20 In the hydraulic anchor windlass system illustrated, pressure relief of the main pressure piping is provided by __________. Illustration GS-0160 #21 As shown in figure "A" of the illustrated block diagram of a central operating system configured for direct digital control, what does the output system block "ANALOG D/A" represent? Illustration EL-0095 #22 Which of the following illustrations represents the proper method of circuit grounding for a low level analog signal cable? Illustration EL-0124 #23 As shown in figure "A" of the illustration, what statement is true concerning the voltage sensing unit? Illustration EL-0066 #24 Which bearing will carry the load on two small points diametrically opposite to each other? #25 With respect to shaft bearing load absorption capability in terms of direction, what is meant by a radial load? #26 The size of ball and roller bearings can be identified by the __________. #27 With respect to shaft bearing load absorption capability in terms of direction, what is meant by an axial load? #28 In order for a reverse osmosis fresh water generator to be able to overcome the osmotic pressure without damaging the spiral-wound membrane modules, the pressure must be controlled. What is the location of the pressure regulator? #29 If a higher than normal water level is observed through the inspection port of a flash evaporator, you should suspect __________. #30 While standing watch in the engine room, you notice a high reading at a salinity cell located in the loop seal between two stages of a flash type evaporator. This would indicate __________.
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