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

USCG Steam Plants (Boilers & Turbines) (Set 4)

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Question 1 of 30

In the system illustrated the valves at point "A" are __________. SG-0005

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30 MCQs

#1 In the system illustrated the valves at point "A" are __________. SG-0005 #2 Which of the listed order of valves represents the proper installation of the main feed water supply line to a marine propulsion boiler? #3 When operating with the auxiliary feed line, feed water flow is controlled __________. #4 The main feed check valve functions to __________. #5 In the event of a failure of the pneumatic control system, a multi-element feed water regulator is designed to operate as a __________. #6 Why are two fuel oil heaters "E" provided in the fuel oil system shown in the illustration? SG-0009 #7 Fuel oil settling tanks are used to __________. #8 The main reason for having a low suction line on the fuel oil service or settling tanks is to __________. #9 When you are transferring fuel oil to the settling tanks, precautions to be observed should include __________. #10 Which of the listed conditions aids in directing gland leakoff steam from the low pressure propulsion turbine to pass through the gland exhaust condenser? #11 Gland sealing steam is used during steam turbine operation to prevent the loss of __________. #12 How is an excess of turbine gland seal steam remedied? #13 The main turbine gland sealing system is designed to ______. #14 According to illustration SE-0019, piston "F" in the gland seal regulator is moved upward by ________. SE-0019 #15 According to the illustration SE-0019, bellows "I" in the gland seal regulator is actuated by ________. SE-0019 #16 As shown in the illustration, live steam is supplied to the gland seal regulator via ________. Illustration SE-0019 #17 For the gland seal regulator shown in the illustration, an increase in gland seal pressure will result in ________. Illustration SE-0019 #18 Which of the following conditions is indicated by oil flowing through a lube oil gravity tank overflow sight glass? #19 Which of the following statements about gravity type lube oil systems is correct? #20 In a gravity lube oil system, a sight glass is installed in a line near the operating platform. This line connects the __________. #21 The gravity tank in a gravity lube oil system serves to __________. #22 The lube oil coolers installed in a gravity lubricating oil system are located between the __________. #23 Which of the following statements is true concerning lube oil coolers? #24 What type of lube oil cooler is shown in the illustration? GS-0122 #25 During high speed operation of the main turbine propulsion unit, the heat absorbed by the lubricating oil is removed by the __________. #26 If the main and standby lube oil service pumps of the main engine fail while underway at sea, __________. #27 In a pressure type main propulsion turbine lubrication system, the lube oil service pumps normally take suction from the main sump and discharge directly to the __________. #28 Lube oil is preheated before centrifuging in order to __________. #29 Water is best removed from lubricating oil by __________. #30 The item shown in the illustration is commonly identified as a _________. GS-0124

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