MKC SWE FOR USCG MACHINERY TECHNICIAN
CHIEFS STUDY EXAM WITH VERIFIED ANSWER
(ONGOING)
what are the three effects of excessively worn rudder shaft
bearings - answer-1. imprecise and poor steering response
2.excessive vibration
3. leakage through the rudder post housing
Within how many days of an inspection are you required to
submit the new boat inspection report - answer-10
List the six basic safety procedures to follow when
troubleshooting or repairing electrical components - answer-
1. Never operate, repair, adjust, tamper with equipment
unless assigned to do so.
2. obey all posted operating and safety precautions
3. de-energize equipment prior to repair.
4. always wear approved PPE.
5. use insulated tools and non-metalic flashlight.
6. tighten the connections of fremovable tes leads on portable
meters.
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generally the crown end of the piston is slightly smaller in
diameter than the skirt for what reason - answer-to allow for
expansion and proper fit
piston ring gaps should be staggered at _ degrees to reduce
gas leakage - answer-180*
what could happen if you ignore the specific safety warning
in the engine service manual - answer-injure yourself/people
on or around the boat/damage outboard engine
a placard stating discharge of oil prohibited must be posted
on all vessels more than __ feet in length - answer-26
what CFR regulations identifies prohibited spaces where oil
and hazardous material are not to be stored - answer-
33CFR155.470
what is the standard maximum ambient operating
temperature for compressor drive motors - answer-104*F
in the vacuum gravity system, what part houses a set of
inclined absorption plates - answer-vacuum gravity vessel
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what filter element in an OWS is used to remove small
particles such as shaving and dirt from the oily water mixture
- answer-pre-filter
before working on or removing any parts of the air
compressor, you should make sure the following conditions
are completed - answer-the compressor is completely blown
down and the pressure is relieved
before and during the operation of the R/O what type of
general inspection should be conducted - answer-make sure
the flowmeters are clear and floats are visable
which safety precaution should be observed during R/O
operation - answer-make sure all pressure relief valves
dischards are unobstructed and the release fluid is conducted
to low pressure area clear of personnel
what component registers cumulative volume in gallons of
permeate being produced by the R/O unit and being used by
the ship - answer-Totalizing flow meter
normally a diesel engine start air bank has a minimum
capacity for how many cold and hot starts - answer-1 cold
and 9 hot
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when conducting performance test, engines should be
operated at what percentage of coat guard load - answer-80-
90%
the ODR facilitates what type of operating data - answer-1.
trend recording
2. event recording
3. dynamic recording
4. alarm recording
5. trip recording
what are the effects of a damaged propeller - answer-1. lack
of power
2. high fuel consumption
3. unexpected vibration
high pressure pump creates ___ to____ PSI achieve reverse
osmosis - answer-700-1000 PSI
pulsation dampener absorbs pulsations created on the
discharge side of a high pressure pump consisting of nitrogen