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Tools, Equip, GenerL Maint Procedures > Procedures > Flashcards

Procedures Flashcards

0
Q

What are the three main parts that make up the construction of the standard screw driver?

A

The handle. The shank. And the end (blade).

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1
Q

What is the purpose of screwdrivers?

A

Driving and removing screws.

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2
Q

How much of the screw slot should be filled by the blade of a screw driver for proper fit?

A

At least 75%

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3
Q

What screwdriver has flukes that are angled at 30 degrees and a Blunt end?

A

The Phillips head screwdriver.

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4
Q

What percent of the Phillips screwhead cavity should be filled by a Phillips screwdriver?

A

100%

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5
Q

What structural application are reed and prince screws generally used?

A

Airframe

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6
Q

What types of pliers are manufactured with straight serrated jaws for gripping objects?

A

Combination jaw pliers

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7
Q

What types of pliers are used only for cutting small material such as wire or cotter pins?

A

Diagonal pliers

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8
Q

What type of wrench is referred to as a knuckle buster because of the consequences mechanics frequently suffer from wrong use?

A

Crescent adjustable wrenches

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9
Q

What is the most common adjustable pipe wrench?

A

The stillson wrench

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10
Q

When a stillson wrench is used, which jaw should provide the twisting force?

A

The fixed jaw

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11
Q

What type of wrench should you use on a chromium played pipe?

A

A strap wrench

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12
Q

What hammer is used by ABH?

A

The ball peen hammer

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13
Q

How should the blade be installed in the frame of the hacksaw?

A

With the teeth facing away from the handle.

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14
Q

Why should the blade of the hacksaw be installed with the teeth facing away from the handle?

A

Hacksaws cut on the push stroke only

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15
Q

Three types of wrecking bars?

A

The small claw tool, crowbar, and large claw tool.

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16
Q

What wrench is used with nuts in which notches have been cut into their outer edges?

A

The hook spanner

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17
Q

What size bolts or rods are larger bolt cutters able to cut?

A

lots or rods up to one-half inch.

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18
Q

What type of wrench is used when a definite force must be applied to a nut or bolt head?

A

A torque wrench

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19
Q

Three most commonly used torque wrenches?

A

The micrometer-setting, dial-indicating, and deflecting-beam.

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20
Q

What type of torque wrench emits an audible click when you reach your desired torque value?

A

The micrometer setting wrench

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21
Q

What does the accuracy of torque measuring generally depend on?

A

How the threads are cut and the cleanliness of the threads

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22
Q

What does a torque wrench measure?

A

The amount of turning or twisting force applied to a nut of bolt in inch or foot pounds.

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23
Q

What should you do before plugging tools into a power source?

A

Be sure the proper voltage is supplied as specific for that particular tool and that the tool is properly grounded.

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24
Q

What is the difference between the 1/2 inch portable electric drill and the 1/4 inch electric drill?

A

The 1/2 inch electric drill gas slower RPM and more torque.

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25
Q

What jobs can be done with portable power sanders. Either electric or pneumatic?

A

Scaling rust, removing paint, and smoothing flight decks prior to laying nonskid materials.

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26
Q

What is the average size disk sander used in the navy?

A

7 or 9 inches

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27
Q

What authority determines the recommended air supply pressure when a pneumatic tool is being used?

A

The manufacturer.

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28
Q

When referring to a jitterbug, what tool are you Useing?

A

The rotary impact scaler

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29
Q

Why scaler is used to clean out corner not reachable by the rotary scaler?

A

The needle impact scaler

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30
Q

The model KDC deck cleaning machine is capable of removing nonskid at what rate?

A

250 to 500 square feet per hour.

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31
Q

What measuring tool is used when exact measurements are required?

A

The micrometer caliper (mike)

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32
Q

How accurate is the micrometer caliper when properly used?

A

Within .001 of an inch.

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33
Q

What is the simplest and most common if all measuring tools?

A

The steel rule

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34
Q

Why can’t melt or wood folding rules be relied on for extremely accurate measurements?

A

Because a certain amount if play developed at the joints after they have been used.

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35
Q

What is a dynamometer?

A

An apparatus for measuring force or energy.

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36
Q

When using the windup type of tape, which was should you always turn the crank?

A

Clockwise

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37
Q

What should be done before portable electric tools are used for the first time after procurement?

A

They should be inspected and approved for shipboard use by the ships electrical safety officer.

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38
Q

What publication should you refer to for information on hearing conservation?

A

OPNAVINST 6260.2

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39
Q

What kind of portable electric tools should be used where flammable vapors, gases or exposed explosives are present?

A

Class 1, group D, or better

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40
Q

In what conditions should rubber gloves be worn when using portable electric tools?

A

Wet decks, bilge areas, working over the side, and In boats.

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41
Q

What kind of extension cords should be used aboard ships?

A

Only 3 wire extension cords that have 3 pronged plugs and 3 slot receptacles.

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42
Q

What is the minimum length of extension cords used aboard ship?

A

25 feet long, with no more than two cords connected together.

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43
Q

How long are repair locker and CV flight deck extension cords?

A

100 feet long

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44
Q

What parts of pneumatic tools should you pay particular attention to when inspecting then at regular intervals?

A

The on-off control valve trigger guard, hose connections, glide clips on hammers, and the chucks of readers and drills.

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45
Q

What is the purpose of the automatic excess flow shutoff valves which should be incorporated in the quick disconnect fittings in pneumatic tools?

A

It automatically shuts off the air at the air lines before changing grinding wheels, needles, chisels or other cutting or drilling bits.

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46
Q

What is a safety lock off device?

A

It is any operating control that requires positive action by the operator before the tools can be turned on.

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47
Q

When should you wear electrical grade insulating rubber gloves?

A

When working with portable electric tools or equipment in damp locations or when it is necessary to work on love electrical circuits or equipment.

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48
Q

What knot is used primarily to secure tag lines during aircraft hoisting operations?

A

The bowline

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49
Q

When are eye splices and back splices used?

A

In the fabrication of tag lines

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50
Q

What knots are used rose cute line to round stock or Clevis hooks?

A

The becket bend and half hitch

51
Q

What are the components of a block?

A

A block consists of one or more sheaves (pulleys) fitted In a wood or metal frame (shell) supported b a hook or shackle inserted in the strap of the block.

52
Q

What is a sheave?

A

It is a round, grooved wheel over which the rope runs.

53
Q

What is the function of the straps on a block?

A

They are the framework that holds the block together and supports the pin on Which the sheaves rotates.

54
Q

What is the swallow of a block?

A

It is the opening through which the rope passes.

55
Q

What is the function of a block in a tackle assembly?

A

To change the direction of pull or provide mechanical advantage, or both.

56
Q

What type of line should be used with fiber line blocks?

A

Good grade Manila or the equivalent.

57
Q

What type of wire is used with wire rope blocks?

A

Plow steel or the equivalent.

58
Q

What is a tackle?

A

An assembly of blocks and ropes used to gain a mechanical advantage in lifting or pulling.

59
Q

What is meant by the term fall?

A

A rope, either Manila or wire, reeved through a pair of blocks to form a tackle.

60
Q

What is the hauling part of a tackle?

A

It is the part of the fall leading from one of the blocks upon which the power is exerted.

61
Q

What is the standing part of a tackle?

A

The end of the fall of the blocks

62
Q

What is the movable or running block of the tackle?

A

It is the block attached to a fixed object or support

63
Q

What is the mechanical advantage of a tackle?

A

It is the term applied to the relationship between the load being lifted and the power required to lift that load.

64
Q

What is the easiest way to determine the mechanical advantage of a tackle?

A

By counting the number of parts of the falls at the movable or running block.

65
Q

What would be the mechanic advantage of a gun tackle?

A

2

66
Q

What happens to the mechanical advantage when any tackle is inverted?

A

A mechanical advantage of 1 is always gained because the number if parts at the movable block is increased.

67
Q

Three common types of tackle?

A

The gun tackle, single luff tackle, and twofold purchase.

68
Q

What combination makes up the gun tackle?

A

Two single sheave blocks

69
Q

What is the mechanical advantage of a twofold purchase?

A

4

70
Q

What would be the mech. Adv. of a twofold purchase if it were inverted?

A

5

71
Q

What are the natural fibers used by the navy in making lines?

A

Abaca, agave, sisal, hemp, jute, and cotton.

72
Q

What are the components of a line in increasing order of size?

A

Fibers, yarns, and strands.

73
Q

How should right-laid line be coiled down?

A

Right handed or clockwise

74
Q

What is the difference between nylon line and natural fiber line?

A

Nylon lines will stretch under a load and recover to it’s normal size when tension is removed

75
Q

What is the critical point when stretching nylon line?

A

Stretch of 40% of it’s length

76
Q

At what point will nylon line part?

A

50% stretch

77
Q

How is a cool of nylon rope opened?

A

It should be unreeled in the same manner as wire rope

78
Q

Critical length to which a 200 foot nylon line can be stretched?

A

280 feet

79
Q

What line is 6 inches in circumference and is used for towing or mooring?

A

A hawser

80
Q

What size line is the largest line issued by the navy for general shipboard use?

A

A 10 inch line

81
Q

What is small stuff?

A

It is line less than 1 3/4 inches in circumference

82
Q

What is the largest small stuff?

A

24 thread, it has 3 strands, each contains 8 yarns

83
Q

What is marline?

A

It is 2 strand, left laid stuff, roughly made up, and tarred a dark brown.

84
Q

What is seizing stuff?

A

It is small stuff laid up right-handed by machine

85
Q

How is the size of small stuff designated?

A

By number of yarns it contains multiplied by the number of strands

86
Q

What is the function of stabilizing lines?

A

They are intended for attachment between the aircraft and a crane to prevent oscillations while the load is suspended and in transit from the salvage site.

87
Q

What are tag lines?

A

They are hand held stabilizing lines

88
Q

What is the function of securing lines?

A

Securing lines are used to secure equipment such as an aircraft to a dolly to the flight deck during the jettison operations.

89
Q

What are tending lines?

A

Tending lines are primarily used for personal safety. They are used when a crew member is operating in an area requiring the use of a harness.

90
Q

How should a line be stowed when it’s wet?

A

Laid on gratings in long fakes.

91
Q

The signs of line deterioration sure to age or exposure?

A

Gradual change in color of inner parts of strands

92
Q

Signs of line deterioration due to misuse or abuse?

A

Bristling ends of broken or dislodged yarns

93
Q

What condition indicates that a line has deteriorated as a result if overstrain?

A

Bristles and shows decrease in diameter

94
Q

How does a 6 x 37 wire rope differ from a 6 x 19 wire rope?

A

The 6 x 37 has more wires in each strand

95
Q

Minimum tensile strength the navy specifies for wires in cranes, cargo gear, towing gear, ext. ?

A

220,000 pounds per square inch

96
Q

Steel used most often in navy?

A

Plow steel

97
Q

What is preformed wire?

A

Special purpose wire where each strand is shaped so that it lies in with the others the way a strand does in line

98
Q

Difference between nonpreformed wire and preformed wire?

A

Preformed is more flexible, it lasts longer and is more expensive. Nonpreformed is stiffer and it’s strands have a strong tendency to fly apart if not kept tightly whipped or seized

99
Q

How does spring lay wire compare with all-steel wire of corresponding size?

A

It is weaker but more flexible

100
Q

What lubricant is recommended for use on wire rope used for exposed running rigging?

A

Graphite grease.

101
Q

Why should you always wear gloves when handling wire rope?

A

Protect hands from fishhooks

102
Q

Best way to uncoil new coil of wire rope?

A

Unwind it by rotating the entire coil

103
Q

Formula for breaking strength of Manila line?

A

BS=c2x900 pounds

104
Q

Formula for breaking strength of nylon?

A

BS = C2 x 2400 pounds

105
Q

Formula for breaking strength of wire rope?

A

BS = C2 x 8000 pounds

106
Q

How do you find circumference of a line when only diameter is known?

A

Multiplying the diameter by 3

107
Q

How do you compute the safe working load of a rope?

A

Find breaking strength and divide by one of the safety factors based on the ropes condition

108
Q

What would be the safe working load formula for a new piece of 2 inch circumference Manila line?

A

SW = BS/4

109
Q

What is safe working load of new wire rope 4 inches in circumference?

A

(SW = BS/4) = (SW = C2 x 8000 pounds) = (SW = 16 x 8000 pounds) = (SW = 128,000 pounds)

110
Q

How does corrosion endanger equipment?

A

By reducing it’s strength and changing the mechanical characteristics of the metals used in it’s construction

111
Q

What factors will determine what form the corrosion of a metal surface will take?

A

The corrosion-producing agents present, the atmospheric conditions and the metal involved

112
Q

What combination of elements produces the main source of corrosion?

A

Water and water vapor containing salt combined with oxygen In the atmosphere.

113
Q

Three types of corrosion?

A

Surface, galvanic, and intergranular corrosion

114
Q

Common example of surface corrosion?

A

Iron rust

115
Q

What form does corrosion take on I painted aluminum alloy?

A

White or grey powdery deposits on the metal surface

116
Q

How is corrosion recognized on painted aluminum alloy ?

A

Paint or playing appears to lift off the surface. Blistering appearance and or discoloration.

117
Q

How can you recognize corrosion on magnesium alloys?

A

Magnesium corrosion products are white and quite large compared to the size of the base metal being corroded. The deposits have a tendency to raise slightly and the corrosion spreads fast.

118
Q

What type of corrosion results when two different metals are connected and exposed to salt water?

A

Galvanic

119
Q

What type of corrosion is not visible on the surface of the metal?

A

Intergranular

120
Q

What two types of corrosion is the ABH Mainly concerned?

A

Galvanic and surface

121
Q

First step to be taken in getting rid of corrosion that is discovered on the painted surface of a structure?

A

Remove paint from affected area

122
Q

What is the purpose of a corrosion correction treatment?

A

It involves the neutralization of any residual materials that may remain in puts and crevices and restoration of permanent protective coatings and paint finishes.

123
Q

What is the most practical method of controlling metal corrosion?

A

Consistent preventive maintenance

124
Q

What are the important factors that should be considered before choosing a cleaning agent for metal surfaces?

A

The type and surfaces to be cleaned such as painted or untainted surfaces and whether they are exterior or interior parts.

Tools, Equip, GenerL Maint Procedures (1 decks)

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