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Machinist Mate 1 & C > Chapter 1 > Flashcards

Chapter 1 Flashcards

1
Q

Day-to-day maintenance of a program keeps you out of what mode?

A

Crisis management

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2
Q

Using good quality feedwater will help prevent damage to the what?

A

Boiler watersides

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3
Q

What is the universal solvent as it tends to dissolve everything it touches?

A

Water

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4
Q

What in feedwater contributes to scale buildup in boilers?

A

Hardness

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5
Q

Hardness is caused primarily by calcium and what else?

A

Magnesium

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6
Q

What act as insulators in the boiler?

A

Scale Deposits

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7
Q

What is an aggressive ion, which attacks and inhibits the formation of the magnetite layer on the boiler metal?

A

Chloride

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8
Q

What causes localized corrosion and pitting?

A

Dissolved oxygen

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9
Q

As dissolved oxygen contacts the boiler metal it forms what, which dissolves the metal to form a black iron oxide that covers the pit?

A

Anode

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10
Q

The navy uses two types of boiler water treatments. The older treatment method is the coordinated phosphate (Cophos) treatment. The newer treatment method is what treatment?

A

CHELANT

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11
Q

The boiler is a receiver for all contaminants the feedwater system puts into it. One way to prevent these contaminants from damaging the boiler is to precipitate them into what?

A

Sludge

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12
Q

The Navy uses three treatment chemicals to maintain the phosphate-pH relationship. The chemicals are trisodium phosphate (TSP), disodium phosphate (DSP), and what else?

A

Caustic Soda

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13
Q

What is used to control pH and add some of the needed phosphate?

A

TSP

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14
Q

What occurs when there is a pH rise above the Cophos curve?

A

Free caustic

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15
Q

You use caustic soda as a treatment chemical only in casualty situations and only with the approval of whom?

A

Chief Engineer

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16
Q

Inject caustic soda at the rate of 1 once per how many gallons of boiler water and only when boiler is steaming?

A

1,000

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17
Q

All 1200 psi and some 600 psi boilers are designated as what?

A

Type B

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18
Q

What chelates dissolved metals, including calcium and magnesium, by surrounding and bonding to the metal at several places?

A

EDTA

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19
Q

Metal chelates are removed from the boiler by continuous what?

A

Blowdown

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20
Q

Continuous blowdown amounts to about a daily blowdown at what percent of normal boiler loads?

A

Four

21
Q

Initial treatment with the CHELANT system is achieved by what?

A

Batch treatment

22
Q

The boiler is tested as often as required to maintain limits, but must not exceed what time frame?

A

24 hours

23
Q

Who maintains the boiler water/feedwater chemistry?

A

Oil King

24
Q

Review of the boiler water/feedwater chemistry logs and records shall be conducted by the main propulsion assistant (MPA) and the Chief Engineer how often?

A

Daily

25
Q

Who reviews the monthly water treatment log package?

A

Commanding Officer (CO)

26
Q

What is essentially a shipboard laboratory?

A

Oil Shack

27
Q

Temperature of the laboratory should be maintained below what temperature?

A

100 Deg F

28
Q

The primary fuel tests are visual, bottom sediment and water (BS&W), flash point, and what else?

A

API gravity

29
Q

The most common fuel tests are the visual and what?

A

BS&W

30
Q

Only water in mechanical suspension is of concern to the engineer. The suspended water is referred to as what?

A

Free water

31
Q

What provides spectrometric analysis of lube oil at a designated laboratory?

A

Navy Oil Analysis Program (NOAP)

32
Q

A basic requirement of fueling station personnel is a thorough knowledge of what system?

A

Fuel receiving

33
Q

Fuel tanks should be filled only to what percent mark?

A

95

34
Q

The final soundings, after temperature and gravity corrections, will determine the amount of fuel received, measure the volume and gravity at a standard temperature of what?

A

60 Deg F

35
Q

The specific order of refueling is necessary to maintain the ship’s stability. You can find this information in the what?

A

Ship’s Information Book (SIB)

36
Q

What has the responsibility of making the final decision on transferring liquid?

A

DCC

37
Q

What system allows controlled flooding of designated fuel tanks for stability control?

A

Ballasting

38
Q

What is used for ballast?

A

Seawater

39
Q

Consult what instruction before pumping contaminated fuel off the ship?

A

OPNAVINST 5090.1

40
Q

Newer ships require inspection of one service tank per fireroom every how many months?

A

36

41
Q

Never use jury-rigged extension cords, extension cords should not exceed what length?

A

25 feet

42
Q

What program provides a procedure to prevent improper operation of equipment, components, or systems?

A

Tag-out

43
Q

As a minimum, all electrical systems require how many tags to isolate the component?

A

Two

44
Q

Specific procedures for tag-outs are contained in what instruction?

A

OPNAVINST 3120.32

45
Q

Personnel should be trained to notify the EOOW if the dry-bulb temperature reaches or exceeds what in engineering spaces?

A

100 Deg F

46
Q

The basic features of an effective training program are compatibility, evaluation and instruction, and what?

A

Analysis and improvement

47
Q

Training schedules are made out for how many-month periods?

A

18

48
Q

Information on training programs, duties of personnel involved in training, and scheduling training is contained in what instruction?

A

OPNAVINST 3120.32

49
Q

To administer any management program effectively, you must be thoroughly versed in the what?

A

Instructions

Machinist Mate 1 & C (1 decks)

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