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...my Stuff > Engineering Systems and Engineering Casualty Control > Flashcards

Engineering Systems and Engineering Casualty Control Flashcards

1
Q

when maximum operability and reliability is needed in the engineering plant what configuration is used?

A

split plant operation

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2
Q

what configuration method is used in port steaming and at other times such as when economy or maintenance considerations assume greater importance?

A

cross connected importance

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3
Q

what is the shortest of all the major engineering piping systems aboard ship?

A

main steam

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4
Q

any piping that carries superheated steam is considered what system?

A

main steam

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5
Q

in a single furnace ā€œDā€ type boiler, where is the steam cooled for auxiliary use?

A

the desuperheater

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6
Q

what function does the steam escape piping serve?

A

provides an unobstructed passage for the escape of steam from boiler safety valves

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7
Q

what system protects a turbine from air leaking in and steam leaking out?

A

gland sealing system

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8
Q

pressure in the gland sealing steam system is maintained at what pressure range?

A

1/2 psig to 2 psig

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9
Q

a valve hand wheel color coded dark green, would be used in what system?

A

saltwater system

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10
Q

a purple valve hand wheel indicates what system usage?

A

JP-5 aviation fuel

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11
Q

what is the valve hand wheel color code for the fuel oil system?

A

yellow

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12
Q

what is the valve hand wheel color code for the lube oil system?

A

striped yellow/black

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13
Q

feed water valve hand wheel are color coded in what manner?

A

light blue

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14
Q

a dark Gary valve hand wheel indicates what system usage?

A

high pressure air

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15
Q

what is the valve hand wheel color code for low pressure air systems?

A

tan

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16
Q

nitrogen valve hand wheels are painted what color?

A

light gray

17
Q

in what publication will you find a comprehensive listing of all valves and piping color coding?

A

NSTM 505

18
Q

aboard most ships, gland sealing system is supplied from system?

A

auxiliary exhaust

19
Q

what type of feed system is used for boilers having an operating pressure at and above 600 psig?

A

pressure-closed

20
Q

the main condenser is maintained at what approximate vacuum?

A

25 to 28.5 inches of mercury

21
Q

what is the valve hand wheel color code for steam systems?

A

white

22
Q

what is the valve hand wheel color code for potable water systems?

A

dark blue

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