2. Naval Shiphander's Guide Flashcards

1
Q

reference

A
Ch 2: Forces on the Ship, pg 31‐49
Ch 3: Standard Commands, pg 51‐64
Ch 4: Getting Underway, pg 73‐82
Ch 5: Making a Landing, pg 90‐97
Ch 6: Ground Tackle
Ch 7: Transiting the Channel, pg 119‐136
Ch 8: Tugs and Pilots, pg 140‐145, 147, 149, 153‐163
Ch 9: Underway Replenishment, pg 172‐187
Ch 10: Shiphandling in Emergencies, pg 191‐203
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2
Q

The water offers a resistance to the ships motion that is proportional…

A

To the square of our speed

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3
Q

A ship using half its power can make…

A

80% of its speed

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4
Q

A destroyer capable of 20 kts can typically make 20kts using…

A

A quater of its power

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5
Q

To turn right, the rudder moves right. This creates …

A

A differential pressure the moves the stern to port. B

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6
Q

Turning force from a rudder comes from …

A

Size, angle, and velocity of water

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7
Q

Line 2 is called

A

Forward after spring line

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8
Q

APUS are ___. Thrusters are not

A

Trainable

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9
Q

Bernoulli principle

A

If the force of a fluid increases, pressure decreases.

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10
Q

When the course to be steered is on at the instant the command is given …

A

Steady as you go

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11
Q

When the swing iPod the ship is to be stopped

A

Meet her

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12
Q

One knot of current is equal to

A

30 kts of wind

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13
Q

Scope of chain

A

5 to 7 times depth

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14
Q

Distance for poor man’s tug

A

100 yards

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15
Q

in a channel, to pass a buoy safely, it needs to appear to be moving…

A

right against the background

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16
Q

shallow water can increase ____ for a single screw vessel

A

sternwalk

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17
Q

in shallow water, _____ with a backing bell can also be in creased

A

stopping distance

18
Q

What are the two aspects of “squat”?

A
  1. increased velocity of the water flowing around the ship’s underbody creates a region of lower pressure under the keel, increasing the ship’s draft
  2. the ship riding up on its own bow wave, raising the bow and lowering the stern
19
Q

Arleigh Burke squats ___ feet at ___ kts in ___ ft of water.

20
Q

in high traffic conditions, parallel ship’s whistle with ___.

A

VHF communications

21
Q

IMO SMCP

A

Standard Marine Communication Phrases

22
Q

3 points from rule 10

A
  1. go with flow
  2. don’t hug the center
  3. ease in or out of traffic
23
Q

list channel forces

A
reduced rudder response
bank suction
bank cushion
current
wind
24
Q

List four stages to voyage planning.

A

appraisal, planning, conferring, execution/monitoring

25
The presence of a pilot on board ___ the Commanding Officer of a ship
in no way relieves
26
when picking up a pilot, select a course that ____
provides a good lee
27
define "sweeping the lee"
swinging the stern way from the pilot boat just before the pilot boards can often make the water calmer
28
what is the range of horsepower from a tug
750 to 5000
29
which tugs are least maneuverable?
single screw
30
List two tugs that are more maneuverable
twin screw and direct thrust
31
List tug speeds used in maneuvering
Easy 1/3 half 2/3 full 100 percent
32
if a tug is going ahead or astern, one short blast signals ___
stop
33
if a tug is stopped one short blast signals
ahead
34
if a tug is stopped two short blasts signals
astern
35
three short blasts tells the tug to ___
in crease to full speed in t the direction it is already going
36
one prolonged signals the tug to ____
go slower in the same direction
37
one prolonged and two short to a tug says ___
cast off or shift
38
power makeup uses ___
3 lines
39
the bernoulli effect gives us high pressure at the ___ and less pressure ____ .
bow | side of the ship
40
in the Northern Hemisphere, Ballot's Law tells us thea t if you face directly into the wind that the center of he storm is about ___ to your right.
115 degrees
41
wind that veers (shifts clockwise) means that you are in the ___.
dangerous semicice
42
wind that shifts counter clockwise means that you are in the so called ___.
safe semicircle