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Engineering Casualty Control & Plant Operations Flashcards

1
Q

what is the most effective form of engineering casualty control?

A

casualty prevention

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2
Q

what NSTM contains general guidelines concerning engineering casualty control?

A

NSTM 079 volume 3

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3
Q

individual casualties located within the EOCC are to be handled in priority of what three actions?

A

controlling actions, immediate actions and supplementary actions

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4
Q

what actions within the EOCC must be committed to memory?

A

controlling and immediate

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5
Q

who is responsible for developing engineering training team (ETT) drills?

A

engineer officer

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6
Q

prior to conducting ETT drills, who must approve the drill package?

A

commanding officer

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7
Q

who is responsible for maintaining a master ETT drill package?

A

MPA

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8
Q

what are three phases of engineering casualty control?

A

limitation of the effects of damage, emergency restoration and completing repairs

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9
Q

who is the approval authority for locally generated EOCC procedures?

A

the commanding officer

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10
Q

the safest engineering plant alignment is what?

A

split plant operation

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11
Q

what document along with the EOCC is used to combat a Main engineering space Class “B” fire?

A

main space fire doctrine (MSFD)

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12
Q

after the propulsion plant has been secured and effectively isolated who assumes firefighting efforts during an engineering space fire Class B fire?

A

DCA

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13
Q

what NSTM contains specific firefighting techniques for main engineering Class B fires?

A

NSTM 555

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14
Q

after personnel evacuate a main engineering space, due to a Class B fire, what firefighting agent is normally activated?

A

Halon 1301

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15
Q

what is used as a propellant for Halon 1301?

A

nitrogen

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16
Q

after reactivation of Halon 1301 there is a mandatory “soak” time of what duration?

A

15 minutes

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17
Q

during any casualty to the propulsion plant the EOOW is tasked with maintaining what?

A

plant control

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18
Q

during a loss of lube oil pressure to the main reduction gears, how is it determined whether bearing metal damage occurred?

A

by shifting and inspecting the lube oil strainer (SICLOS)

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19
Q

how is all major equipment that is damaged due to a casualty and placed out of commission documented?

A

equipment is logged by noun name in the engineering log with a detailed description of the casualty

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20
Q

who is notified first during all underway casualties affecting propulsion or the ship’s mission?

A

the OOD

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21
Q

when connecting a run of casualty power cables, it is always connected in what manner?

A

from the load to the source

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22
Q

what action must be taken if you hear a metallic sound within the reduction gear?

A

stop and lock shaft IAW EOCC procedures

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23
Q

what is the recommended firefighting agent for a Class C fire?

A

CO2

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24
Q

during a Class C fire, what is the first step in combating the fire?

A

de-energize the power source

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25
Q

who authorizes the entry into an electrical panel that is subjected to a Class C fire?

A

the supervisory at the scene IAW EOCC

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26
Q

who determines electrical damage during a Class C post fire investigation?

A

repair electrician

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27
Q

why is PKP not recommended for use with a Class C fire?

A

due to the corrosive properties of PKP

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28
Q

who authorizes the energizing of casualty power cables?

A

the DCA via the engineer officer

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29
Q

what is the principal sound powered communication circuit used during engineering casualty control?

A

2JV

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30
Q

what damage control repair locker is assigned to combat main propulsion space casualties?

A

repair five

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31
Q

who gives permission to the firefighting attack team to enter the main propulsion space to combat a Class B fire?

A

DCA

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32
Q

how many sources of firefighting agent must be used to combat a main switchboard Class C fire?

A

at least two independent CO2 sources

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33
Q

what are three common causes of engineering casualties?

A

lack of positive control, lack of effective communications, lack of systems knowledge

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34
Q

the EOCC procedure MCFED talks of the plane when opening the electrical equipment, what is meant by the team “plane”?

A

placing ones body part within the door opening of the live electrical component

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35
Q

the EOCC procedure MCFED is used for what fires?

A

Class C fires located in electrical equipment or distribution areas

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36
Q

what publication contains detailed information on assessing damage sustained from electrical fires?

A

NSTM 300

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37
Q

what are two indications of an uncontrollable hot bearing on an SSTG?

A

bearing temperature of 180 degrees F or oil temperature differential between the cooler outlet and bearing temperature exceeds 50 degrees F

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38
Q

what action must be taken if no oil flow is observed in bearing oil flow sight glass on an operating SSTG?

A

trip and secure generator IAW EOCC procedures

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39
Q

an operating SSTg must be secured when vacuum decreases to what?

A

15 inches

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40
Q

at what temperature is an SSTG auxiliary condenser considered a hot condenser?

A

140 degrees F

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41
Q

an unusual drop in boiler steam pressure and a firebox with a steam is an indication of what boiler casualty?

A

ruptured boiler tube

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42
Q

what is the greatest concern for the engineering plant when a boiler high water casualty occurs?

A

boiler water carryover to the steam turbines

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43
Q

what engineering casualties require the main shaft and main engine reduction gear to be stopped and locked?

A

loss of the lube oil pressure, major lube oil leak on main reduction gear, metallic noise in main reduction gear, and uncontrollable hot bearing in the main reduction gear

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44
Q

failure to stop and lock the shaft during a required casualty can have what effect on the main reduction gear?

A

could damage the engine to the extent of non operation

45
Q

after restoration from casualty to the main reduction gear the engine must be tested IAW what directive?

A

EOP (engineering operating procedure)

46
Q

if the main engine locking device is engaged while the turning gear motor is turning, what would happen?

A

damage the gear teeth of the turning gear would occur

47
Q

fluctuating SSTG kW meters on an electrical operating board is a possible indication of what casualty?

A

Class C fire within the SSTG

48
Q

what is the goal of engineering casualty control drills?

A

to increase watch team proficiency

49
Q

what is the best source for developing ETT drills?

A

EOCC

50
Q

when the boiler is secured in repose to a low water casualty, what must be done to the boiler after the boiler is secured?

A

lift safety valves hand easing gear, 200 to 300 psi below operating pressure

51
Q

a hot spot on the burner air register on an operating boiler is an indication of what?

A

brick work failure

52
Q

blistering paint on the boiler air casing is an indication of what?

A

fire in the boiler air casing

53
Q

how long is steam smothering admitted to the boiler air casing during a fire in the air casing?

A

until the fire is out

54
Q

after the main engines have bene tested and warmed up, while you wait to answer all bells the engine must be rotated every?

A

3-5 minutes

55
Q

what is the minimum lube oil temperature to the main engine before it is allowed to be jacked over?

A

90 degrees F

56
Q

if for any reason the main engine turbine rotor cannot be rotated within 5 minutes, what must be done?

A

secure the main engine

57
Q

what is the maximum journal bearing temperature on an operating main engine or SSTG as indicated by RTE?

A

250 degrees F

58
Q

what is the maximum thrust bearing temperature of on operating main engine or SSTG as indicated by RTE?

A

270 degrees F

59
Q

how often is the main engine lube oil sump level checked and logged on an operating main engine?

A

every hour while in operation

60
Q

what temperature indicates a hot main condenser?

A

140 degrees F

61
Q

what is the maximum temperature rise across a bearing on an operating main feed pump?

A

50 degrees F

62
Q

at what vacuum must you secure an operating main condenser?

A

15 inches

63
Q

what is the maximum amount of time a boiler can smoke white before you must secure?

A

one minute

64
Q

if a steaming boiler suffers a ruptured tube safeties must be lifted to what pressure?

A

zero psig

65
Q

a low boiler economizer outlet temperature will have what effect on the superheater outlet temperature?

A

it will cause a high superheater outlet temperature

66
Q

what is the maximum allowable RPM differential on operating steam force draft blowers?

A

300 RPMs

67
Q

what is the auxiliary exhaust pressure in the engineering plant during normal operations?

A

15 psig

68
Q

prior to testing the main engines the EOOW must have permission from whom to test the engine?

A

OOD

69
Q

when all main engines have been tested satisfactorily, the EOOW reports this to whom?

A

OOD

70
Q

during a white smoke casualty to the boiler what must never be adjusted?

A

fuel ol header pressure

71
Q

what is the maximum amount of time a boiler can smoke heavy black before you must secure the boiler?

A

2 minutes

72
Q

what is the probable cause of a racing fuel oil service pump?

A

water in the fuel

73
Q

what is the temperature at which lube oil is maintained on an operating main engine?

A

120-130 degrees F

74
Q

a ruptured feedwater control valve diaphragm will have what adverse effect on the boiler water level?

A

water level will increase, as the valve will fail open

75
Q

what is the maximum steady state superheat outlet temperature on a D type 1200 psig boiler?

A

1000 degrees F

76
Q

what is the maximum allowable superheater outlet temperature during transition periods of 15 minutes to 1 hour on a 1200 psig D-type boiler?

A

1020 degrees F

77
Q

what is the required amount of time necessary to bring a cold boiler online?

A

2 1/2 to 3 hours

78
Q

what is the required amount of time necessary to bring a boiler under a steam blanket online?

A

1 1/2 to 2 hours

79
Q

after boiler light off you must never exceed what boiler firing rate?

A

5 percent

80
Q

boiler air casing is tested at what percentage of boiler full power rating?

A

50 to 75 percent boiler load

81
Q

when a line shaft bearing emits smoke, what actions must be taken?

A

stop and lock the shaft

82
Q

a low condensate inlet pressure to the DFT will have what detrimental effect on the propulsion plant?

A

low DFT level, possible low water and improper deaeration of the feedwater

83
Q

what establishes and helps to maintain a vacuum on the main condenser when the ship is not equipped with air ejectors?

A

vacuum pumps

84
Q

during a loss of vacuum casualty on the main condenser, what action must be taken when vacuum decreases to 15 inches?

A

main engine must be stopped and casualty procedures IAW EOCC are followed

85
Q

a cracked gauge glass on the main condenser could lead to what casualty?

A

loss of vacuum on the main condenser

86
Q

what effect will a low boiler economizer outlet temperature have on the boiler superheater outlet temperature?

A

will increase superheater outlet temperature

87
Q

in accordance with EOCC procedures, what three casualties require the lifting of boiling safety valves?

A

ruptured boiler tube, low water in the boiler and major uncontrolled flooded (prior to the water reaching the brick pan)

88
Q

what equipment is used to lift the boiler safety valves during a casualty?

A

boiler safety valve hand easing gear

89
Q

what EOSS document is used to align the propulsion plant prior to light off?

A

master light off check list (MLOC)

90
Q

boiler panting is caused by what?

A

insufficient air

91
Q

how long is steam admitted to the boiler firebox when raw fuel is discovered on the firebox floor?

A

30 minutes

92
Q

what boiler casualty requires the boiler to be purged after securing the boiler?

A

ruptured boiler tube

93
Q

after a boiler high water casualty, what precaution is taken to check the HP turbine for boiler water carryover?

A

by cracking the turbine casing drains and checking for carryover

94
Q

a reduction gear journal bearing shows a dramatic increase in temperature and then decreases to ambient temperature, this in an indication of what casualty?

A

a wiped bearing

95
Q

how is turbine speed maintained during a jammed throttle casualty?

A

by using the affected turbine guardian valve

96
Q

what is the first action taken, when you are experiencing difficulty in maintaining boiler water level on an automated ship?

A

shift the boiler feedwater control to remote manual

97
Q

the formation of condensation (fogging) of the boiler periscope is an indication of what casualty?

A

ruptured boiler tube

98
Q

the boiler high water alarm is normally set at what parameter?

A

plus 7 inches

99
Q

what protects the main feed pump from internal damage due to a loss of suction pressure?

A

low suction trip

100
Q

what provides a positive suction head to the main feed booster pump?

A

the DFT

101
Q

a loss of the operating main feed pump will cause what boiler casualty?

A

low water

102
Q

under normal conditions, the lube oil purifier aligned to the main engine is operated daily for how many hours underway?

A

12 hours

103
Q

it is required to change the lube oil in the main sump, when the lube oil neutralization number exceeds what?

A

.050

104
Q

what is the smallest percentage of gas (vapor) that will make an ignitable mixture called?

A

lower explosive limit

105
Q

what is the highest percentage of gas (vapor) that will make an ignitable mixture called?

A

upper explosive limit

106
Q

what propellant is used in the portable PKP fire extinguisher?

A

CO2 cartridge

107
Q

what is the capacity of the AFFF variable-nozzle located on a machinery space hose reel?

A

95 GPM

108
Q

what class of fire involves combustible metals?

A

delta

109
Q

what is the water to AFFF concentration on a proportioning system?

A

94 % water, 6% AFFF

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