Chapter 14

Question 1

How far should a well-trained Seabee be able to throw an M67 frag grenade? (Page 14-3)

Answer 1

35-40 meters

Question 2

The effective casualty radius of a hand grenade is defined as the radius of a circular area around the point of detonation within which at least what percent of the exposed personnel become casualties? (Page 14-3)

Answer 2

50

Question 3

Chemical grenades have a how many second delay fuze element? (Page 14-3)

Answer 3

2

Question 4

Fuzes that burn are used primarily with what type of grenades? (Page 14-3)

Answer 4

Chemical

Question 5

Grenades can be classified into one of three general types: Practice, Chemical, and what else? (Page 14-4)

Answer 5

Fragmentation

Question 6

What is the standard grenade used by Seabees? (Page 14-4)

Answer 6

M67 Fragmentation

Question 7

What is the fuze delay of the M67 frag grenade? (Page 14-5)

Answer 7

4 to 5.5 seconds

Question 8

What is the effective casualty-producing radius of the M67 frag grenade? (Page 14-5)

Answer 8

15 meters

Question 9

Fragments from the M67 fragmentation grenade can disperse as far as how many meters? (Page 14-5)

Answer 9

230

Question 10

What is the radius of the burst from the M47 chloracetophenone (CS) riot control hand grenade? (Page 14-6)

Answer 10

6 meters

Question 11

The MK1 illumination grenade provides about 55,000 candlepower for a period of how many seconds? (Page 14-6)

Answer 11

25

Question 12

The thermite filler in the AN-M14 incendiary hand grenade burns for approximately 40 seconds at what temperature? (Page 14-6)

Answer 12

4300°F

Question 13

What is the average throwing distance of the AN-M14 TH3 Incendiary hand grenade? (Page 14-7)

Answer 13

25 meters

Question 14

The M18 colored smoke hand grenade has an average burn time of how many seconds? (Page 14-8)

Answer 14

60

Question 15

The AN-M8 HC White smoke grenade emits a dense cloud of white smoke for how many seconds? (Page 14-9)

Answer 15

105-150

Question 16

What is the average throwing distance of the M69 practice grenade? (Page 14-10)

Answer 16

40 meters

Question 17

What is the most desirable and natural position from which to throw grenades? (Page 14-13)

Answer 17

Standing

Question 18

Any handler or thrower of a casualty-producing hand grenade or person who is within the danger area (approximately how many meters) of the grenade must wear a helmet? (Page 14-18)

Answer 18

50

Question 19

How many minutes should you wait prior to approaching a hand grenade that you think may be a dud? (Page 14-19)

Answer 19

5

Question 20

Riot control hand grenades should not be thrown into a closed area nor should they be detonated within how many meters of personnel? (Page 14-19)

Answer 20

5

Question 21

A waiting period of how long should elapse before a chemical grenade dud is approached? (Page 14-19)

Answer 21

30

Question 22

What are the two types of land-based mines? (Page 14-20)

Answer 22

AT and AP

Question 23

Currently, what is the only authorized for use mine by the Seabees? (Page 14-21)

Answer 23

M18A1 Claymore

Question 24

The M18A1 claymore mine should be detonated when lead elements of an enemy formation approach within approximately how many meters of the mine? (Page 14-25)

Answer 24

20 to 30

Question 25

What is the approximate radius of the area of illumination of the M49A1 Surface Trip Flare? (Page 14-25)

Answer 25

300 meters

Question 26

What is the minimum safe distance from an ignited surface trip flare? (Page 14-27)

Answer 26

2 meters

Question 27

Upon encountering a possible IED a minimum initial exclusion area should be established how many meters around it? (Page 14-40)

Answer 27

300