3-52. As steam passes through the
desuperheater,
it is cooled for use in
which of the following systems?
1. The economizer
2. The auxiliary steam systems
3. The main steam system
4. The water wall tubes
3-53. The desuperheater may be located
either in the steam drum or what other
location?
1. The water drum
2. The economizer
3. The registers
4. The ductwork
3-54. The furnace, or firebox, is the large
space where air and fuel are mixed for
the fire that heats the water in which
of the following components?
1. Drums
2. Tubes
3. Headers
4. All of the above
3-55. A forced draft blower is a large
volume fan that can be powered by an
electric motor or what other source?
1. A gas-driven engine
2. A two-stage hydraulic motor
3. A steam turbine
4. An auxiliary
3-56. The return-flow atomizer provides a
constant supply of fuel-oil pressure.
Any fuel oil not needed to meet steam
demand is returned to what location?
3-57. The vented-plunger atomizer is unique
in that it is the only atomizer in
use in the Navy that has which of the
following features?
1. Moving parts
2. Stationary parts
3. A steam supply
4. An oil supply
3-58. In most boilers, what is used to
light fires?
1. A firing cap
2. Flint
3. A torch
4. Friction igniters
3-59. For specific instructions on boiler
light-off procedures, what should you
refer to?
1. NSTM, Chap 555
2. Your ship’s EOSS
3. NSTM, Chap 505
4. NAVOSH Program Manual
3-60. For information on auxiliary boilers,
you should refer to which of the
following publications?
1. NSTM, Chap 555
2. NSTM, Chap 505
3. NSTM, Chap 254
4. NSTM, Chap 221
1. The whirling chamber
2. The fuel-oil service tank
3. The economizer
4. The desuperheater
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