Smoke

Question 1

Compass Calibration

Answer 1

Uses bearings from Gun 1, 2 and 3 to calculate compass/grid correction.

Question 2

Compare Gun Bearing and Compass Bearing

Answer 2

(front/rear of gun).

Question 3

Calculate difference in bearing for each gun

Answer 3

If within 20 mils, combine for Total Difference.

Question 4

Apply ICV and ICE corrections

Answer 4

Requirements include: centralised traverse, level ground, avoid magnetic interference, apply GMA.

Question 5

HCE

Answer 5

(Hydrochloride Ethylene) – 155mm DM105.

Question 6

Red Phosphorus

Answer 6

– 105mm L52.

Question 7

White Phosphorus

Answer 7

– 81mm & 120mm mortars.

Question 8

Base eject (BE) shells

Answer 8

planned the same.

Question 9

WP

Answer 9

is ground burst.

Question 10

Base Ejection Smoke

Answer 10

105mm Red Phosphorus.

Question 11

155mm HCE

Answer 11

.

Question 12

Carrier shell and base plate risk

Answer 12

.

Question 13

Components

Answer 13

casing, RP compound, exhaust, supporting tube, cover plate.

Question 14

Red Phosphorus Effects

Answer 14

Rises approx 15m.

Question 15

Flows downwind

Answer 15

.

Question 16

Dense, narrow smoke stream

Answer 16

.

Question 17

Most effective for approx 150m

Answer 17

.

Question 18

Ideal conditions

Answer 18

cool and damp, clings to ground.

Question 19

Upwind point location

Answer 19

.

Question 20

Line of screen where smoke is effective

Answer 20

.

Question 21

Rate of fire required

Answer 21

.

Question 22

Strong wind disperses smoke faster

Answer 22

.

Question 23

Low wind allows vertical dispersal

Answer 23

.

Question 24

May require increased rate of fire

Answer 24

.

Question 25

Wind speed

Answer 25

5–9 knots.

Question 26

Damp humidity

Answer 26

.

Question 27

Moderate turbulence

Answer 27

.

Question 28

Flank wind direction preferred

Answer 28

.

Question 29

Observe HE smoke or activity

Answer 29

.

Question 30

Use smoke tester

Answer 30

.

Question 31

Request MET from CP

Answer 31

.

Question 32

MET example

Answer 32

includes wind direction and speed.

Question 33

Points placed along line of screen

Answer 33

.

Question 34

Upwind point

Answer 34

is 150m upwind of screen.

Question 35

Max effective screen length used

Answer 35

.

Question 36

Smoke should not affect own troops

Answer 36

.

Question 37

All elements within 500m radius of aim

Answer 37

.

Question 38

Send BIP for single point

Answer 38

.

Question 39

Send first and last points for linear

Answer 39

.

Question 40

If shell breaches 500m radius

Answer 40

MAC must be informed.

Question 41

GTL increases risk

Answer 41

due to trajectory.

Question 42

Build up time

Answer 42

2 mins for BE, 1 min for WP.

Question 43

Initial build up effect

Answer 43

2 rounds.

Question 44

Smoke tester confirms MET conditions

Answer 44

.

Question 45

Ground and high ground may affect screen

Answer 45

.

Question 46

Gun C/S selection

Answer 46

for favourable angle of fire.