NS3-M3U6C4 - Mine Warfare (Exam)Page 1

Name:______Date:______

1Select the answer that corrects the statement.

The 1907 Hague Convention required that floating mines deactivate after a period of time.

AChange “1907” to “1807”

BChange “Hague” to “Russian”

CThe statement is correct.

2Which of the following are methods of planting mines?

ASubmarine

BAircraft

CSurface

DNone of the above

3______: Glass tube - Inertia switch

Influence: Magnetic - Acoustic - ______

AContact; Pressure

BPressure; Fuse

CPressure; Contact

DFuse; Contact

4Degradation of mines due to exposure to elements such as saltwater, high temperatures,

etc.., that may render mines unable to explode, or more sensitive to disturbance and too

easily exploded

ADecaying

BDeterioration

CDeterrence

DNone of the above

5A naval mine set off by the vibrations of specific sounds, such as those made by a ship

AContact mine

BCAPTOR mine

CAcoustic mine

DMagnetic mine

NS3-M3U6C4 - Mine Warfare (Exam)Page 2

6What are the three major types of mine countermeasures?

AShip treatment against magnetic and acoustic mines, Minesweeping, and

Mine hunting

BMine cleaning, Ship treatment against magnetic and acoustic mines, and

Mine hunting

CShip treatment against magnetic and acoustic mines, Mine cleaning and

Mine forging

7Why do mines incite a different sort of fear than other ordinary weapons?

AThe expense of mines is far more costly.

BMines are not as easily transported.

CMines bring a profound psychological effect.

DIt is more difficult to determine the trajectory of mines.

8Which of the following are strategic advantages of mine warfare?(Input all that apply, then

push the ENTER button.)

AThey can disrupt cargo-handling facilities.

BMines are flexible in times of activation.

CIt is more difficult to determine the trajectory of mines.

DThe enemy is faced with a choice between confrontation of the minefield

and acceptance of a blockade situation.

9Autonomous underwater vehicle that can be programmed to search for mines

AVAM

BVAU

CAUV

10A weapon designed to remain inert until an object, generally the target, approaches close

enough to trigger it

ATemporary weapon

BPassive weapon

CSecondary weapon

NS3-M3U6C4 - Mine Warfare (Exam)Page 3

11What is the difference between the term "torpedoes" during the Civil War and the modern

term "mines"?

ATorpedoes were Offensive Mine Warfare weapons in the Civil War whereas

mines are both offensive and defensive weapons today.

BCivil War torpedoes were free-floating devices where modern-day mines can

be either moored or free-floating.

CThere were no torpedoes in use during the Civil War, only mines.

DThere is no difference. They refer to the same type of device.

12Why did Confederate mines fail to stop the Union naval forces at the battle of Mobile Bay?

ASaltwater deterioration rendered the mines inoperable.

BUnion spies had cut the mine mooring cables the night before.

CThe Union Navy knew the location of the minefield.

DUnion mine countermeasures rendered the mines inert before the battle.

13What was the primary purpose of the great offensive minefield that was laid by the Allies in

the North Sea between northern Scotland and the Norwegian coast during World War I?

ATo prevent the German High Seas Fleet from breaking out into the North

Atlantic waters.

BTo prevent the resupply of Germany by the Japanese.

CTo protect the Scottish coastline and harbors from German naval attack.

DTo prevent German submarines from getting into the Atlantic and preying on

Allied shipping.

14To what mine classification method would bottom mines belong?

AMode of operation

BFinal planted position

CDetonating or actuation mechanism

DMethod of planting

15What is the primary disadvantage in using moored mines?

AThey are easily spotted and destroyed.

BTheyhave a more difficult time dealing with salt water corrosion.

CThey are required, under international law, to deactivate after a certain time

period.

DThey may be cleared with relative ease by mechanical sweeping gear.

NS3-M3U6C4 - Mine Warfare (Exam)Page 4

16The most extensive Allied effort involving mines in World War I was the

ATurkish mining in the Dardanelles.

BNorth Sea mine barrage between Scotland and Norway.

CRussian Baltic Fleet mine operations.

DBritish mining in the Heligoland Bight.

17Offensive mining may

Arender enemy shipping routes dangerous or impossible to use.

Bforce enemy ships to go through area where it may be more readily

attacked.

Cmake enemy divert ships, equipment, and personnel for mine sweeping.

DAll of the above are correct.

ENone of the above are correct.

18Acoustic mines are activated by

Apropeller cavitation noise.

BOtter gear

Cpressure of a ship's hull as it passes nearby

19Mines are classified according to the method of

Aplanting, position, depth, detonation.

Bplanting, position, actuation, and location.

Cplanting, position, the mode of operation, the detonating or actuation.

20Mine-hunting operations, an important aspect of mine countermeasures, are conducted by

highly trained volunteer personnel who operate devices called

AOrdnance Locators

BOrdnance Registers

COrdnance Recognizance

NS3-M3U6C4 - Mine Warfare (Exam)Page 5

Answer Key:NS3-M3U6C4 - Mine Warfare (Exam)

Question:Answer

2ABC

8ABD

10B

11D

12A

13D

14B

15D

16B

17D

18A

19C

20A