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Flashcards in Engineering Systems and Engineering Casualty Control Deck (22):
1

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

split plant operation

2

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

cross connected importance

3

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

main steam

4

any piping that carries superheated steam is considered what system?

main steam

5

in a single furnace "D" type boiler, where is the steam cooled for auxiliary use?

the desuperheater

6

what function does the steam escape piping serve?

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

7

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

gland sealing system

8

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

1/2 psig to 2 psig

9

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

saltwater system

10

a purple valve hand wheel indicates what system usage?

JP-5 aviation fuel

11

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

yellow

12

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

striped yellow/black

13

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

light blue

14

a dark Gary valve hand wheel indicates what system usage?

high pressure air

15

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

tan

16

nitrogen valve hand wheels are painted what color?

light gray

17

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

NSTM 505

18

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

auxiliary exhaust

19

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

pressure-closed

20

the main condenser is maintained at what approximate vacuum?

25 to 28.5 inches of mercury

21

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

white

22

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

dark blue