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MK1 EOCT > eoct > Flashcards

eoct Flashcards

1
Q

HAZMAT must be handled IAW

A

Federal, state and local regulations

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2
Q

Shell and tube heat exchangers are primarily used with what?

A

Internal Combustion engines

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3
Q

Where is pertinent identifying information about CASREP information found?

A

PARTSID information set

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4
Q

If a full power trial has not been attempted for over two reporting periods as determined by cutter PMS, provide reasons in..?

A

Section VI

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5
Q

What section contains the last major overhaul for all diesel engines and gas turbines?

A

Section VI

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6
Q

Cutter engineering reports section III to VI include..?

A

III: machinery/electrical
IV: Administrative
V: cutter engineering summary

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7
Q

After a boat inspection report, how many days do you have to submit the report?

A

10 days

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8
Q

What is considered a revision?

A

50% of the original text or the signature page changes

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9
Q

3 types of hydraulic pump

A

gear, vane and piston

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10
Q

2 types of rotary actuators

A

hydraulic and rotary motor

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11
Q

90% of motors have what type of rotor?

A

Squirrel cage

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12
Q

Who can recover refrigerant?

A

only EPA certified technicians

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13
Q

What component of a hydraulic system might cause it to “over-ride the workload”

A

the counterbalance valve

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14
Q

What should you not do when working on a hydraulic system?

A

depressurize the system or remove hydraulic fluid

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15
Q

What is not a coalescing media that would improve the efficiency of oil removal?

A

emulsified polycarbonate

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16
Q

What condition is not generally a hazzard when dealing with auxiliary boilers?

A

Diffuser swirl

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17
Q

The alkalinity test has been replaced by direct measurements of ____ on Johnson boilers.

A

pH

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18
Q

A reily-beaird flash type evaporator has ___ stages.

A

6

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19
Q

The temperature pilot to the feedwater temperature regulator should maintain a temperature of __ degrees.

A

170-175

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20
Q

The natural ability of two dissimilar liquids to seperate?

A

coalescing

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21
Q

What component controls the start up and shut down of an auxiliary boiler?

A

Flame Safeguard Control (FSC)

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22
Q

What is not a purpose of an auxiliary boiler?

A

Provide steam for propulsion

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23
Q

What percentage of tubes becoming plugged in a tube heat type heat exchanger will cause the heat exchanger to function improperly?

A

10%

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24
Q

Current flow between two dissimilar metals will usually cause?

A

Corrossion

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25
Q

2 terms to describe gear type mechanisms.

A

speed and gear ratios

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26
Q

what type of shafting is supported by the line shaft spring bearings?

A

The shafting inside the skin of the ship

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27
Q

before engine disassembly for overhaul what component should you check?

A

face and bore alignment between flywheel and flexible coupling

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28
Q

Cracks in a piston crown are caused by?

A

failure of the cooling system

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29
Q

cracked con rods are caused by..?

A

overloading

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30
Q

What causes piston slap?

A

Worn pistons and liners

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31
Q

What form is used to document drills and exercises?

A

CG 5290

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32
Q

How many points are deducted for minor safety violations?

A

10-15

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33
Q

Pressure applied to a confined fluid transmitted undiminished in all directions and acts with equal force on equal areas and at right angles to them.

A

Pascals Law.

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34
Q

For MWT, boiler water is maintained between what parameters?

A

Alkalinity: 8-11.5
TDS : < 10 ppm
chloride < 1000 ppm

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35
Q

3 indicators on a way-wolf boiler

A

Red : flame out
White: power on
blue : low water

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36
Q

What is in place to prevent pump motor and solenoid valves from becoming energized when tank levels are low?

A

float switch

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37
Q

Disadvantages of firetube boilers?

A

heavy, long warm up time

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38
Q

advantages of firetube boilers

A

easy to operate, cheap to build

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39
Q

When you have an internal leakage where you replace the piston packing or unit it is known as…?

A

Cylinder creep

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40
Q

3 most common type of heat exchangers

A

shell and tube, fin and tube, plate type

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41
Q

Hull deflection, various load and ballast conditions, hull speeds and heavy seas can majorly influence what?

A

Shaft and bearing alignment

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42
Q

Guidance for tests, inspections, break-in procedures should be contained in the MPC, tech pub or directed by who?

A

OEM tech rep

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43
Q

Technical Publications fall under what general category?

A

Directives

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44
Q

What establishes policies, procedures and standards for the administration of the CG Directives system and the fleet?

A

M5215.6

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45
Q

On tube heat exchangers the fin is designed to..?

A

increase surface contact

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46
Q

A bright spot on each end of a piston ring is caused by..?

A

insufficient ring gap

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47
Q

What can be caused by excessive oil consumption or excessive cylinder clearance?

A

Piston slap

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48
Q

Who is responsible for ordering flexible hoses, gauges and consumables used to overhaul an internal combustion engine?

A

the supervisor

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49
Q

Shafting outside the skin of the ship is usually supported by?

A

bearings

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50
Q

What power transmission component in a propulsion system transmits power from the driving unit to the driven unit?

A

The marine propulsion unit

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51
Q

Characterized by improper functioning of the torsion vibration dampner

A

Bent or broken crankshaft

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52
Q

Presence of fine abrasives in lubricants could be a sign of?

A

bearing wear

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53
Q

What type of switch is an electromechanical device that requires physical contact between the target object and switch activator?

A

limit switch

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54
Q

What information is not found on the nameplate data label?

A

torque

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55
Q

What is the most common type of AC motor used in industrial motion control systems?

A

AC induction motor

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56
Q

How often should feedwater supply systems be tested?

A

daily

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57
Q

Before conducting a thorough cleaning of a heat exchanger, conduct a preliminary ______________.

A

inspection

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58
Q

What is the best method for cleaning tubes in a shell and tube heat exchanger?

A

High pressure water jet

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59
Q

What is the difference between sensible and latent heat?

A

Sensible causes a change in temperature..latent does not

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60
Q

On a flash type evaporator, the distillate water passes through a _____________________.

A

three way solenoid

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61
Q

Before operating a flash type evaporator, personnel should be thoroughly familiar with

A

the distilling cycle

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62
Q

When cleaning a flash type evaporator, yellow acid water means _______________.

A

dissolved and heated

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63
Q

To establish if there is an air leak in the OWS :

A

perform hydrostatic test on suction piping and vertical cylinder vessels

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64
Q

In an OWS, if the discharge pressure is too high, check for ________________.

A

fluid viscosity too high

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65
Q

Also referred to as stored energy, ______________ is present in a hydraulic system.

A

potential

66
Q

What piece of information are you likely to find on the name plate of an electric motor?

A

hertz

67
Q

Internal leakage occurring around the seals or the unit if the walls are scored causes _______________.

A

Cylinder creep

68
Q

Never operate, repair, adjust, or otherwise tamper with any of the cutters electric or electronic equipment without demonstrating, to the _______________.

A

division officer

69
Q

The first step in replacing a switch is to _________________________.

A

Tag out the circuit

70
Q

The internal engine overhaul (documentation) shall be maintained on board the cutter until________________________________.

A

The next overhaul is accomplished

71
Q

_________________________________ before you start working on an engine.

A

disable the start circuit and disconnect starter

72
Q

When should you NOT attempt to make a final alignment of propulsion engine/shafting?

A

WHEN fuel, water, and temporary ballast tanks are empty

73
Q

TO CHECK BORE ALLIGNMENT take measurements of the diameter gap at four equally spaced points on the flanges diameters

A

A,B,C,D

74
Q

MLC will decide whether to _____________ the overhaul based on the engine condition.

A

Extend or shorten

75
Q

Exercise evaluations will be maintained by the training officer for a MINIMUM of how many years after the exercise has been completed?

A

2 years

76
Q

What is the MAXIMUM numerical score that should be used on the exercise evaluation sheets?

A

100

77
Q

During the walk-through, one of the safety items that you should identify is the ________________ in the spaces where the drill will be conducted.

A

Heat index

78
Q

After completion of each drill or actual casualty, a ___________ is to be conducted

A

critique

79
Q

In planning and preparing even minor simulated casualties, consideration must be given to the possibility that the simulation could create an

A

actual hazzardous condition

80
Q

Drills and exercises shall not begin until permission has been obtained from the commanding officer or ________________ for after-hours duty section drills/exercises

A

ood

81
Q

Which of the following failures DOES NOT cause low oil pressure in a propulsion transmission?

A

stuck regulating piston in the selector valve assembly

82
Q

No inspection plate, connection, fitting, or cover that permits access to the gear casing should be removed without specific authorization by the

A

the EO

83
Q

Bearing inspections at other than scheduled intervals may be required if

A

conducting a gear tooth mesh check

84
Q

Always check the gear tooth alignment after a major overhaul, or if the ship has been aground or if the _________________ has been disturbed.

A

shaft alignment

85
Q

The following are potential causes of propulsion gear failure

A

poor tooth contact, inadequate lubrication, foreign objects.

86
Q

Use a __________________ to check angular alignment.

A

feeler gauge

87
Q

refers to the distance the face of the hub is out of perpendicular to the shaft centerline

A

face runout

88
Q

refers to the distance the driving bore of a hub is out of parallel with the shaft centerline

A

bore runout

89
Q

or face misalignment occurs when the centerlines of the marine transmission and companion flanges are not parallel.

A

angular

90
Q

An appropriate method to account for shaft droop utilizes a load ring, _____________, and sling.

A

turn buckle

91
Q

Corrosion of bearing materials causes a chemical action of __________ lubricating oils.

A

oxidizing

92
Q

The amount of deflection of a crankshaft may be determined by the use of a _______________.

A

strain gauge

93
Q

are mounted on the crankshafts of some engines to reduce the torsional vibrations.

A

vibration dampeners

94
Q

What piece of information are you likely to find on the name plate of an electric motor?

A

hertz

95
Q

he three main types of hydraulic accumulators are spring and weight loaded and ______________.

A

gas charged

96
Q

Also referred to as stored energy, ______________ is present in a hydraulic system.

A

potential energy

97
Q

To establish if there is an air leak in the OWS :

A

perform hydrostatic test on piping and vertical cylinder vessel

98
Q

When cleaning a flash type evaporator, yellow acid water means _______________.

A

dissolved heat

99
Q

Before operating a flash type evaporator, personnel should be thoroughly familiar with the _______________.

A

distilling cycle

100
Q

On a flash type evaporator, the distillate water passes through a _

A

three way solenoid

101
Q

he driving force moving the feedwater is the difference in _________between the stages with each stage being at a lower __________ than the one before it.

A

pressure

102
Q

On auxiliary boilers, permanent magnets project a strong magnetic field. The field acts as a “stator,” and the feed pump provides the energy to move the liquid _________________.

A

armature

103
Q

What type of heat does not causes a temperature change?

A

latent

104
Q

what type of heat does causes a temperature change?

A

sensible

105
Q

CASREPs must include AIG Six Eight Four Two or AIG Six Eight Four Three as _________ addressees so that CASREP data can be electronically entered into the Navy and Naval Inventory Control Point (NAVICP) databases.

A

info

106
Q

Notices remain in effect until date of cancellation and are automatically cancelled after

A

1 year

107
Q

Angular Alignment: 0.0005 inches per inch of companion flange diameter on a gap difference basis

A

remedies for low oil pressure

108
Q

The major factor influencing shaft and bearing alignment is

A

HULL DEFLECTION, VARIOUS LOAD AND BALLAST CONDITIONS, HULL SPEEDS, HEAVY SEAS.

109
Q

Inadequate lubrication will not only cause piston wear, the extra friction may also:

A

cause piston seizure, land breakage, and piston pin bushing wear

110
Q

A satisfactory contact percentage of gear tooth bearing contacting across the axial length of the working surface is _____ percent

A

80

111
Q

Under what circumstances can a gear with an overheated bearing be allowed to operate?

A

only under extreme emergencies

112
Q

when does the flashing of the feedwater occur?

A

when the psi in the flash chamber is lower than the saturation psi of the feed temp.

113
Q

when should you not attempt to make a final alignment of propulsion engine/shafting?

A

When fuel, water and temporary ballast tanks are empty

114
Q

fuel, water and temporary ballast tanks are filled to normal average operating levels, generally

A

1/2 to 3/4.

115
Q

a copy of all drill plans should also be included

A

among departmental training records

116
Q

a copy of all drill plans should also be included

A

among departmental training records

117
Q

after completion of each drill or actual casualty, a _____is to be conducted.

A

Critique

118
Q

after completion of each drill or actual casualty, a _____is to be conducted.

A

Critique

119
Q

Two basic types of OWS

A

Vacuum gravity and pressure

120
Q

What are the two types of AC motors

A

induction and synchronous

121
Q

Which type of motor is most widely used in the CG

A

single phase induction

122
Q

which directive contains a list of electrical safety precautions pertaining to working on AC motors?

A

NSTM 300

123
Q

upon completion of an overhaul the supervisor must be sure it is logged in which two reporting systems.

A

cutter engineering report and CMPLUS

124
Q

which manual publishes a complete list of CG units and their distribution lists?

A

SDL

125
Q

What is the form # for a boat inspection report?

A

CG 3302

126
Q

clean the tube sheet and inside of the shell using fresh water and either a ___ or plastic scraper

A

stiff nonmetallic brush

127
Q

back flushing is only required for ___ plate type heat exchangers

A

sea water cooled

128
Q

disadvantages of a watertube boiler

A

expensive, require a lot of maintenance

129
Q

disadvantages of a watertube boiler

A

expensive, require a lot of maintenance

130
Q

another word for boiling point

A

saturation temperature

131
Q

boiler fuel nozzles will have a number stamped on the body. The first number means__

A

GPH of how much fuel passes through the nozzle

132
Q

if your OWS will not discharge oil it is either the ___ or ___

A

oil amplifier relay or oil sensing probe

133
Q

if your OWS will not discharge oil it is either the ___ or ___

A

oil amplifier relay or oil sensing probe

134
Q

if an electric motor will not start

A

check the capacitor

135
Q

what component employs an optical system based on the principles of light scattering

A

oil content detector

136
Q

what component employs an optical system based on the principles of light scattering

A

oil content detector

137
Q

the clean water inlet and outlet are what type of valves?

A

solenoid valves

138
Q

partially clogged oil straingers, damaged or worn oil can cause

A

no oil pressure

139
Q

partially clogged oil straingers, damaged or worn oil can cause

A

no oil pressure

140
Q

what is the correct repair method for a clutch drum surface that is badly worn or grooved?

A

re-machine drum surfaces as outined in the manufacturer’s tech pubs

141
Q

overheating of a propulsion transmission can be attributed to

A

trolling at too high of an engine speed

142
Q

which component of a transmission maintains the oil in the reduction gear sump at the proper temperature

A

selector valve assembly

143
Q

what function does the spring and piston serve on the oil return pipe assembly

A

regulate the low pressure oil supply

144
Q

what function does the spring and piston serve on the oil return pipe assembly

A

regulate the low pressure oil supply

145
Q

what alignment function is in place to eliminate shaft excited vibration and noise?

A

align bearings that support the shaft

146
Q

filters are classified as

A

full flow or proportional flow

147
Q

filters are classified as

A

full flow or proportional flow

148
Q

two common types of strainers in hydraulic systems

A

edge disk, wire mesh

149
Q

Form number for a cutter engineering report

A

CG 4874

150
Q

guidelines for reports are taken from what publication?

A

M9000.6

151
Q

which prescribes policies and procedures for the coast guards paperwork management?

A

M5212.12

152
Q

a minor degradation of a primary mission, or a major degradation or total loss of a secondary mission

A

cat 2

153
Q

major degradation but not total loss of a primary mission

A

cat 3

154
Q

causes a loss of at least on primary mission

A

cat 4

155
Q

for number for a SSMR

A

4094

156
Q

SSMR that must be completed within 6 months?

A

Priority 2

157
Q

what chapter/section of the DPRI identifies form for requesting updates, replacements or new directives

A

Chapter 1 section C

158
Q

where should you log official changes to a directive?

A

record of changes page

159
Q

SSMR that is to be completed as part of a normal backlog

A

Priority 3

160
Q

what type of brushes should you use to clean the plates on a plate type heat exchanger?

A

fiber brushes

161
Q

what type of brushes should you use to clean the plates on a plate type heat exchanger?

A

fiber brushes

162
Q

2 types of ac motor?

A

induction and synchronous

MK1 EOCT (1 decks)

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