Smokeboat Quiz #27

Air Systems - Part 4.

1) 225# air is supplied to the fresh water tanks by:
a) reducing valve set at 12# psi
b) regulating valve set at 12# psi
c) a direct line
d) reducing valve set at 24# psi

 

3) The 225# manifold is protected by ______ relief valve/s set to open at:
a) 1 - 250#
b) 2 - 250#
c) 1 - 275#
d) 2 - 275#

 

5) In the forward torpedo room, air at 225# is supplied for:
a) emergency fresh water tanks
b) hydraulic supply tanks
c) main ballast tank
d) sanitary tank

 

7) The connection for the main engine shutdown from the 225# system is located in the ______ room.
a) forward engine
b) control
c) maneuvering
d) after engine

 

9) Air to the lube oil tanks is reduced to ______ psi.
a) 13
b) 15
c) 100
d) 105
2) The 225# manifold is protected by _____ sentinel valve/s set to open at:
a) 1 - 250#
b) 2 - 250#
c) 1 - 275#
d) 2 - 275#

 

4) The reliefs on the battery water system are set to open at:
a) 15#
b) 12#
c) 10#
d) 8#

 

6) The sanitary tanks are protected by reliefs set to open at ______ psi.
a) 100
b) 105
c) 250
d) 275

 

8) Air is taken directly from the 3000# system for all but one of the following functions:
a) blowing variable ballast tanks
b) charging impulse flasks
c) blowing negative tank
d) starting main engines

 

10) The 10# air system receives its air supply from:
a) the high pressure system
b) the ships service system
c) rotary low pressure blower
d) vertical compressor

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