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

USCG General Subjects (Auxiliaries & Systems) (Set 33)

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Question 1 of 30

Which of the following statements best defines 'depth of cut' in lathe work?

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#1 Which of the following statements best defines 'depth of cut' in lathe work? #2 To properly cut even numbered threads using the lathe thread dial indicator shown in the illustration, you should close the lathe split or half-nut on __________. Illustration GS-0084 #3 To properly cut an odd numbered thread with a lathe using the thread dial indicator illustrated, you should close the lathe split, or half-nut on __________. Illustration GS-0084 #4 All straight shank twist drills must be mounted or held in a __________. #5 Before drilling a hole in a piece of metal, the location of the hole center should be __________. #6 Failing to decrease the feed pressure on a drill as its point begins to break through the bottom of the work piece will cause the drill to __________. #7 Generally speaking, when using a twist drill to bore a hole in metal, the harder the metal, the greater the drill's required __________. #8 A command signal input to the steering gear has initiated rudder movement for 20° right rudder. The follow-up mechanism at the beginning of the rudder movement will __________. Illustration GS-0123 #9 Hydraulically, servo-operated, automatic, change over valves, utilized in a two ram hydraulic steering gear, serve to __________. #10 In a closed-loop process control system, what is meant by error? #11 In a closed-loop process control system, what term is used to describe the action of measuring the difference between the actual result and the desired result and using that difference to drive the actual result toward the desired result? #12 In a closed-loop process control system, what is meant by the integral mode of control? #13 Antifriction bearings can be removed undamaged from a shaft by using an arbor press, or wheel puller with a ________. #14 In a compression type automatic grease cup, the lubricant is forced into the bearing by __________. #15 Which of the following statements concerning antifriction bearings installed on pumps is true? #16 Item "M" shown in the illustration is the __________. Illustration MO-0110 #17 What is the function of item 'D' shown in the illustration? Illustration MO-0110 #18 What is the function of device "A" shown in the illustration? Illustration MO-0110 #19 Feed water supplied to a flash type distilling plant will flash to vapor in the first-stage due to __________. #20 The vacuum maintained in the salt water feed heater shell of a flash-type evaporator is generally accomplished by __________. #21 Small droplets of water entrained in the flashed vapor produced in a flash-type evaporator are removed by the __________. #22 Regarding the low pressure evaporator steam control orifice in the live steam supply line, the steam at the outlet of the orifice if not properly conditioned will be developed as __________. #23 Under normal operating conditions, the highest temperature and pressure conditions existing for flash-type evaporators will occur in the __________. #24 What is the function of the item "7" shown in the illustration? Illustration MO-0111 #25 During operation which device listed removes air and non-condensable gases from the unit shown in the illustration? Illustration MO-0111 #26 Which device is used to prevent over pressurization of the illustrated distiller? Illustration MO-0111 #27 Which of the valve arrangements listed would be correct for operating the distillation plant shown in the illustration? Illustration MO-0111 #28 The efficiency and output capacity of a low pressure distilling plant will be reduced if the last effect shell __________. #29 In a flash evaporator, scale as a result of higher than normal temperatures is most likely to occur in the __________. #30 While the illustrated system is operated using the steam supply through "F" the strainer in line "4" becomes fouled, this will result in __________. Illustration GS-0053

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