EXAM #3

Question 1

If you shorten the scope of anchor chain, the anchor’s holding power may?

Answer 1

Decrease

Question 2

Generally, the maximum speed for letting go the anchor is?

Answer 2

4 knots

Question 3

The safety stopper that prevents the anchor chain from running free if the chain jumps the wildcat is the?

Answer 3

riding pawl

Question 4

The slowest speed the vessel can travel while allowing the operator to maintain directional control and produce minimum water turbulence is referred to as?

Answer 4

bare steerage

Question 5

The highest percentage of vapor at which an explosion will occur is referred to as the?

Answer 5

Upper Explosive Limit (UEL), Upper Flammable Limit (UFL)

Question 6

It is easier to dock a single-screw vessel with a right-hand turning wheel going ______ side to the dock.

Answer 6

port

Question 7

A bow thruster generally loses its effectiveness when the ship speed exceeds?

Answer 7

2 knots

Question 8

The ______ propeller always turns the same direction for ahead and astern motion.

Answer 8

controllable pitch

Question 9

Using the anchor to assist in controlling the movement of the vessel is called __________ the anchor.

Answer 9

dredging

Question 10

term applied to the bottom shell plating in a double-hull ship is ________.

Answer 10

outer bottom

Question 11

The anchors on the bow are known as _____ anchors.

Answer 11

bower

Question 12

The function of the bilge keel is to ________ of the vessel.

Answer 12

reduce the rolling

Question 13

The two types of framing systems are _______ and ______.

Answer 13

transverse, longitudinal

Question 14

_______ help to determine the shape of the ship by supporting and stiffening the shell plating.

Answer 14

Frames

Question 15

The term “strake” is used in reference to ________.

Answer 15

hull plating

Question 16

The first transverse bulkhead aft of the stem is known as the _______ bulkhead.

Answer 16

collision

Question 17

The forward movement of a vessel in one revolution of its propeller is measured by ________.

Answer 17

the pitch

Question 18

The opening in the deck beneath the anchor windlass that leads to the chain locker is the _______.

Answer 18

spill pipe

Question 19

The part of the windlass which physically engages the chain during hauling or paying out is the _______.

Answer 19

wildcat

Question 20

Vertical flat plates running transversely and connecting the vertical keel to the margin plates are called the ________.

Answer 20

floors

Question 21

As the angle of the stock and anchor chain with the bottom increases, the holding power of the anchor _____.

Answer 21

decreases

Question 22

The machinery associated with heaving in and running out anchor chain is the _______.

Answer 22

windlass

Question 23

In the Dry Dock, the ship sits on _______ and ________.

Answer 23

keel blocks, bilge blocks

Question 24

As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a loss of propulsive efficiency, pitting of the blades, and vibration. These voids are known as?

Answer 24

cavitation

Question 25

The _______ takes control of the ship once the bow crosses the ______ of the Dry Dock.

Answer 25

Dry Dock Master, sill

Question 26

When turning a vessel in shallow water, the ________ increases

Answer 26

turning diameter

Question 27

______ is the process of mixing paint back and forth between two cans.

Answer 27

Boxing

Question 28

The double bottom ________ support the ________ or tank top.

Answer 28

floors, inner bottom

Question 29

While positioning and anchoring your vessel, the best time to let go the anchor is when the vessel is _______ and _______.

Answer 29

stemming the current, moving slowly astern over the ground

Question 30

When dropping the anchor, you are stationed at the windlass brake. The most important piece of PPE to have on is _______.

Answer 30

goggles

Question 31

The distance gained in the direction of the original course when you are making a turn is known as _______.

Answer 31

advance

Question 32

You are on a course of 270 degrees True and put the rudder left 30 degrees. Transfer will be measured in the direction of ______ degrees True

Answer 32

180

Question 33

The pivot point of a fully loaded vessel with normal trim, proceeding ahead at sea speed is located ____________

Answer 33

one third the length of the vessel from the bow

Question 34

You are conning a twin-screw vessel going ahead with rudders amidships. If the starboard screw stops turning, the bow will go to _______.

Answer 34

starboard

Question 35

You are on a single-screw vessel with a left-handed propeller making no way in the water. When you apply left rudder the bow will _________

Answer 35

not move-the vessel has no way

Question 36

You are on a single-screw vessel with a right-hand propeller. The vessel is going full astern, making sternway, with full right rudder. The bow will go to _____.

Answer 36

port

Question 37

When underway and proceeding ahead, as the vessel speed decreases the pivot point tends to _______.

Answer 37

move aft

Question 38

If your vessel is dragging her anchor in a strong wind, you should ________.

Answer 38

pay out more chain.

Question 39

Lifting the anchor from the bottom is called _______.

Answer 39

weighing anchor

Question 40

Before letting the anchor go, you should check to be sure the _____ is disengaged.

Answer 40

wildcat

Question 41

In order to permit drainage of water to scuppers, which direct the flow overboard, decks are _______.

Answer 41

cambered

Question 42

When anchoring, it is a common rule of thumb to use a length of chain _____ the depth of the water

Answer 42

5-7 times

Question 43

The length of a standard “shot” of chain is ____ feet.

Answer 43

90

Question 44

To safely anchor a vessel there must be sufficient “scope” in the anchor chain. Scope is the ratio of the ___ of chain to ____ of water.

Answer 44

length, depth

Question 45

The _______ is generally used to connect shot of anchor chain.

Answer 45

detachable link

Question 46

A bare steel surface should have a ______ color prior to painting

Answer 46

metallic

Question 47

______, used to minimize galvanic corrosion, are replaced on the hull of a ship during a dry dock period.

Answer 47

sacrificial zinc anodes

Question 48

The _____ propeller always turns the same direction for ahead and astern motion.

Answer 48

controllable pitch

Question 49

Federal regulations require that you must maintain a proper _______ when you are at anchor.

Answer 49

anchor watch

Question 50

When dredging the anchor, the length of anchor chain used will be ________

Answer 50

1.5-2 times the distance from the hawse pipe to the bottom.

Question 51

The open end of a graving dock is usually closed by a ______ or a ______.

Answer 51

floating caisson, gate

Question 52

Name the three lines that a Tug attaches to a ship:

Answer 52

1. Backing Line 2. Tow Strap 3. Stern Line

Question 53

Tugs power used to move the ship _______ or to _______ ship's speed.

Answer 53

laterally, reduce

Question 54

Lashing up a tug to a ship is usually done on ________ ships.

Answer 54

dead

Question 55

A Tug should be angled into the ship about _____ degrees to maximize propeller and rudder efficiency.

Answer 55

15

Question 56

Tugs may cause unwanted _____ or _____ motion

Answer 56

lateral, longitudinal

Question 57

In restricted space the _____ has an advantage over the tug on the bow.

Answer 57

thruster

Question 58

To produce thrust the impeller in the tunnel must build up a _________.

Answer 58

substantial flow of water

Question 59

A bow thruster will pivot a ship about a point that is approximately ____________.

Answer 59

one ship's beam forward of the beam

Question 60

T/F: Thrusters are usable at very light drafts.

Answer 60

False

Question 61

A thruster is most useful at speeds of _______.

Answer 61

two knots or less.

Question 62

Bow thruster moves the _____ directly over in the direction of the desired swing.

Answer 62

foreship

Question 63

Speed is the cause of ____ % of accidents.

Answer 63

90

Question 64

5 Steps to Voyage Planning:

Answer 64

1. Objective 2. Appraisal 3. Planning 4. Execution 5. Monitoring

Question 65

Controllable Pitch Propellers are usually _____ turning.

Answer 65

left hand

Question 66

T/F: The engine on a controllable pitch propeller doesn't need to be stopped to go astern.

Answer 66

True

Question 67

Controllable pitch propellers can easily foul a _______ because the are always spinning.

Answer 67

mooring line

Question 68

Twin screws are usually ________ turning

Answer 68

outboard

Question 69

The effectiveness of a rudder is measured by the _________

Answer 69

flow of water across it

Question 70

The rudder has little effect to ______ until the ship develops stern way.

Answer 70

backing

Question 71

_______ includes everything between the wheel in the pilot house to the rudder.

Answer 71

"Steering Gear"

Question 72

The steering system is made up of three parts:

Answer 72

1. control equipment 2. power unit 3. transmission to the rudder stock

Question 73

Must be _____ independent means of steering.

Answer 73

2

Question 74

The power and torque capability must be such that the rudder can be swung from ___degrees on one side to ___degrees on the other side with the ship at _____ speed and ______ draft

Answer 74

35, 35, maximum, deepest

Question 75

The time from 35 degrees on one side to 30 degrees on the other side must not exceed _____ seconds.

Answer 75

28

Question 76

An alarm that is Visual and audible located on Bridge and at Engine Room Control Station. Must go off if power fails to either of the steering power units.

Answer 76

Power Failure

Question 77

An alarm that is Visual and Audible located on Bridge and at Engine Room Control Station. Indicates overload or problem with motor or pump. If pump should kick off line while in operation the alarm will notify the watch.

Answer 77

Motor Alarm

Question 78

An alarm that is Visual and audible located on Bridge and at Engine Room Control Station. Indicates power failure to any steering gear control circuit or remote control circuit

Answer 78

Control Power Failure

Question 79

An Alarm that is Visual and audible located on Bridge and at Engine Room Control Station. Indicates which power unit us running and which is on standby.

Answer 79

Motor Running Indicatorsq

Question 80

An alarm that is Visual and audible located on Bridge and at Engine Room Control Station. Indicates low oil level in the hydraulic oil tank that supplies any power unit. Very serious casualty needing immediately attention. Secure the pump and if circumstances permit, determine cause of oil loss before starting other unit. Storage tank must have sufficient capacity to totally refill the steering gear oil pumps piped to the tank.

Answer 80

Low Oil Level Alarm

Question 81

______ automatically steer the ship on a set course.

Answer 81

Autopilot

Question 82

The 1st autopilot was installed on the tanker ______

Answer 82

J.A. Moffat

Question 83

Define: Helmsman steers ship by use of the ship’s wheel. The helmsman operates the helm assembly to the desired helm order and the ship responds to the ordered helm change?

Answer 83

Hand Electric

Question 84

Define: The Rotary Power Unit solenoids are controlled directly and no follow up is provided. The helm and rudder remain at the angle set until such time as the helm and rudder are brought back to amidships?

Answer 84

Non Follow Up