c12

Question

How does foam extinguish an oil fire?

Answer 1

By excluding the oxygen from the fire

Answer 2

By cooling the oil below the ignition temperature

Answer 3

By removing the fuel source from the fire

Answer 4

By increasing the weight of the oil

Answer 5

removing the fuel

Answer 6

interrupting the chain reaction

Answer 7

removing the oxygen

Answer 8

removing the heat

Answer 9

attach a low-velocity fog applicator with the nozzle shut down

Answer 10

order the engine room to reduce pressure on the fire pump

Answer 11

put the lever on an all-purpose fire nozzle all the way forward

Answer 12

put the lever on an all-purpose fire nozzle all the way back

Answer 13

Space requiring largest amount

Answer 14

All cargo-space

Answer 15

All the space of the vessel

Answer 16

Engine room and largest cargo space

Answer 17

the fire is contained and no longer spreading

Answer 18

all hands are at their fire stations

Answer 19

all firefighting equipment is at the scene

Answer 20

the fixed systems are activated

Answer 21

rapid expansion as water absorbs heat and changes to steam

Answer 22

alternate expansion and contraction as water in a liquid state becomes a vapor

Answer 23

absorption of smoke and gases as water is converted from a liquid to a vapor

Answer 24

rapid contraction as water is converted from a liquid to a vapor

Answer 25

In the Muster List (“Station Bill”)

Answer 26

At the previous safety meeting

Answer 27

By the person conducting the drill

Answer 28

By the Coast Guard regulations

Answer 29

put the vessel's stern into the wind

Answer 30

call for assistance

Answer 31

abandon ship to windward

Answer 32

keep going at half speed

Answer 33

convection

Answer 34

conduction

Answer 35

ventilation

Answer 36

conduction

Answer 37

transmission

Answer 38

contraction

Answer 39

ventillation

Answer 40

allow the wearer to manually give himself oxygen

Answer 41

control the pressure of the oxygen as it enters the body

Answer 42

release excess heat which would otherwise cause the bottle to explode

Answer 43

allow exhaled gases to pass outside the bottle

Answer 44

Smoothering

Answer 45

Chemical action

Answer 46

Inerting the air

Answer 47

Cutting off oxygen source

Answer 48

Cooling below its ignition temperature

Answer 49

Removing fuel

Answer 50

Spraying with water

Answer 51

Flames entering the tank vent

Answer 52

Escape of flammable vapors

Answer 53

Corrosion in the tank vent

Answer 54

Damage to the ball check

Answer 55

Carbon dioxide

Answer 56

Dry chemical

Answer 57

weighing the cylinder and recharging if weight loss exceeds 10% of the weight of the charge

Answer 58

inspecting the pressure gauge to ensure the needle is within operating range

Answer 59

hydrostatic testing of the cylinder

Answer 60

discharging, cleaning inside, and recharging

Answer 61

prevents sparks from getting out of an engine's exhaust system

Answer 62

keeps sparks from falling into an open tank

Answer 63

secures covers on ullage openings

Answer 64

grounds static electricity

Answer 65

should arrange to have a B-II extinguisher placed in the lower pumproom

Answer 66

need not be concerned since no portable extinguishers are required in the pumproom

Answer 67

should arrange to have a B-II extinguisher placed in the vicinity of the exit

Answer 68

may substitute sand for the required extinguishers

Answer 69

once every month

Answer 70

once every 6 months

Answer 71

once every year

Answer 72

once every week

Answer 73

electricity

Answer 74

Chain reaction

Answer 75

Electricity

Answer 76

the difference in thermal expansion of two dissimilar metals

Answer 77

smoke sensors

Answer 78

pressure loss due to air being heated

Answer 79

an electric eye which actuates when smoke interferes with the beam

Answer 80

the space requiring the largest amount

Answer 81

the engine room and largest cargo space

Answer 82

all cargo spaces

Answer 83

all the spaces of a vessel

Answer 84

the master control valve shut and valves to individual cargo tanks open

Answer 85

the master control valve shut and valves to individual cargo tanks shut

Answer 86

the master control valve open and valves to individual cargo tanks shut

Answer 87

all valves open

Answer 88

In the event of a malfunction in the equipment, the valve can be operated manually to give the wearer air.

Answer 89

The valve opens in excessive heat to release the oxygen in the bottle and prevent the bottle from exploding.

Answer 90

When pressure in the apparatus exceeds 7 psi above atmospheric pressure, the valve opens to release pressure.

Answer 91

The valve reduces the high pressure in the bottle to about 3 psi above atmospheric pressure.

Answer 92

at the seat of the fire, starting at the near edge

Answer 93

to bank off a bulkhead onto the fire

Answer 94

over the top of the fire

Answer 95

at the main body of the fire

Answer 96

at the seat of the fire, starting at the near edge

Answer 97

to bank off a bulkhead onto the fire

Answer 98

over the top of the fire

Answer 99

at the main body of the fire

Answer 100

use a portable CO2 extinguisher

Answer 101

use a portable foam extinguisher

Answer 102

use a low-velocity fog adapter with the fire hose

Answer 103

determine the cause of the fire

Answer 104

not attack the fire from opposite sides

Answer 105

use different fire hose pressures

Answer 106

use fire hoses of different sizes

Answer 107

not wear protective clothing

Answer 108

Close the ventilation system and other openings to the hold in order to choke the fire

Answer 109

Use the ship's gas extinguishing central system to put out the fire

Answer 110

Inspect the scene before deciding the method to be used for fire-fighting

Answer 111

Start the fire pumps, open the hatches and start fighting the fire by fire hoses

Answer 112

Water stream

Answer 113

Water spray

Answer 114

over an electrically heated platinum filament

Answer 115

where it is mixed with nitrogen

Answer 116

where it is ignited by a sparking device

Answer 117

where its specific gravity is measured

Answer 118

Dry chemical

Answer 119

Chemical foam

Answer 120

Carbon dioxide

Answer 121

combustible liquid

Answer 122

explosive liquid

Answer 123

flammable liquid

Answer 124

viscous liquid

Answer 125

dry chemical leaves a powder residue which may render electrical equipment inoperative

Answer 126

extinguishing action is not as good as with soda acid

Answer 127

powder conducts electricity back to the fire fighter

Answer 128

extinguisher will need to be recharged

Answer 129

Material Safety Data Sheet

Answer 130

Hazardous Chemical Information Sheet

Answer 131

Hazardous Chemical Loading Document

Answer 132

Chemical Characteristics Document

Answer 133

Heat of oxidation

Answer 134

Heat of expansion

Answer 135

Latent heat of sublimation

Answer 136

Latent heat of condensation

Answer 137

all of the above

Answer 138

heavier than air

Answer 139

highly explosive

Answer 140

Diesel oil

Answer 141

Hydraulic oil

Answer 142

Lubricating oil

Answer 143

Refrigeration oil

Answer 144

approximately 60° above the horizon

Answer 145

into the wind

Answer 146

straight ahead

Answer 147

at the vessel whose attention you want to attract

Answer 148

It is formed as a result of the reaction between dry powder and water.

Answer 149

It is recommended for use on fires in main propulsion electric motors.

Answer 150

Foam bubbles are formed as a result of mechanical mixing with air.

Answer 151

It is useful in fighting chemicals fires only.

Answer 152

Marine Superintendent

Answer 153

Designated Person Ashore

Answer 154

Fleet manager

Answer 155

Provide uniform practice

Answer 156

Port state control implementation

Answer 157

Avoid accident onboard

Answer 158

To confirm with requirements

Answer 159

taking measures to prevent the spread of fire from the involved compartment to an adjacent compartment

Answer 160

protecting fire fighters from direct exposure to the heat of the fire

Answer 161

keeping flames from burning at the tank vents

Answer 162

protecting exposed areas of the superstructure from flames

Answer 163

Provide uniform practice.

Answer 164

Reduce accidents at sea.

Answer 165

Port State recommendations

Answer 166

Class Society recommendations

Answer 167

fusible link

Answer 168

remote operated valve

Answer 169

CO2 system pressure switch

Answer 170

heat or smoke detector

Answer 171

Abandonship and let go

Answer 172

Save the ship

Answer 173

Don't abandonship

Answer 174

Contact coast guard

Answer 175

foam chemical with air and water

Answer 176

soda acid and water

Answer 177

dry chemical and water

Answer 178

bicarbonate soda with air and water

Answer 179

Steps to control a discharge

Answer 180

National and local coordination

Answer 181

Reporting requirements

Answer 182

Disinfection

Answer 183

Sterilization

Answer 184

Tri-oxidation

Answer 185

Ultra-hydration

Answer 186

AFFF controls the vaporization of flammable liquids by means of a water film.

Answer 187

The agent cannot be used in conjunction with dry chemicals.

Answer 188

AFFF can only be produced from fresh water.

Answer 189

Because AFFF works through surface tension, it can not be broken up if it is agitated.

Answer 190

The speed with which it can be put into operation is around 45 seconds.

Answer 191

The equipment is lightweight and the wearer can work without difficulty in confined spaces.

Answer 192

The average operating time is over an hour.

Answer 193

Facial hair will not affect the mask performance.

Answer 194

The mixture is too rich to burn.

Answer 195

The mixture is too lean to burn.

Answer 196

The vapor is about to explode.

Answer 197

Conditions are perfect for combustion.

Answer 198

The designated persons in charge of vessel and facility

Answer 199

The senior deck officer

Answer 200

The captain of the port

Answer 201

Any local coast guard representative

Answer 202

throw a life ring and inform the bridge

Answer 203

throw a life ring and shout for help

Answer 204

shout for help and do not lose sight of the man in the water

Answer 205

throw a marker and inform any deck officer around

Answer 206

To prevent the davits from pulling up against the stops

Answer 207

To keep the tricing line from releasing or getting tangled

Answer 208

To assist in cranking in the lifeboat

Answer 209

To stop the lifeboat from being lowered

Answer 210

Dry chemical

Answer 211

Chemical foam

Answer 212

Carbon dioxide

Answer 213

foam chemical with air and water

Answer 214

soda acid and water

Answer 215

dry chemical and water

Answer 216

bicarbonate soda with air and water

Answer 217

AFFF controls the vaporization of flammable liquids by means of a water film.

Answer 218

The agent cannot be used in conjunction with dry chemicals.

Answer 219

AFFF can only be produced from fresh water.

Answer 220

Because AFFF works through surface tension, it can not be broken up if it is agitated.

Answer 221

It is formed as a result of the reaction between dry powder and water.

Answer 222

It is recommended for use on fires in main propulsion electric motors.

Answer 223

Foam bubbles are formed as a result of mechanical mixing with air.

Answer 224

It is useful in fighting chemicals fires only.

Answer 225

burning insulation

Answer 226

hot bulkheads

Answer 227

electrical machinery

Answer 228

Its smothering effect is excellent for class B fires.

Answer 229

Carbon dioxide is corrosive when exposed to fire.

Answer 230

Carbon dioxide should be applied slowly to a large engine room fire.

Answer 231

Its total cooling effect is far greater than water

Answer 232

dry chemical leaves a powder residue which may render electrical equipment inoperative

Answer 233

extinguishing action is not as good as with soda acid

Answer 234

powder conducts electricity back to the fire fighter

Answer 235

extinguisher will need to be recharged

Answer 236

Heat of oxidation

Answer 237

Heat of expansion

Answer 238

Latent heat of sublimation

Answer 239

Latent heat of condensation

Answer 240

cigarette butts

Answer 241

burner torches

Answer 242

lighted matches

Answer 243

The mixture is too rich to burn.

Answer 244

The mixture is too lean to burn.

Answer 245

The vapor is about to explode.

Answer 246

Conditions are perfect for combustion.

Answer 247

Diesel oil

Answer 248

Hydraulic oil

Answer 249

Lubricating oil

Answer 250

Refrigeration oil

Answer 251

all of the above

Answer 252

heavier than air

Answer 253

highly explosive

Answer 254

A partially filled tank of diesel oil

Answer 255

A full tank of diesel oil

Answer 256

A full tank of lubricating oil

Answer 257

A partially filled tank of hydraulic oil

Answer 258

combustible liquid

Answer 259

explosive liquid

Answer 260

flammable liquid

Answer 261

viscous liquid

Answer 262

Remain motionless

Answer 263

Burst under pressure

Answer 264

Lash about violently

Answer 265

Become elongated by 125%

Answer 266

protected against freezing or be fitted with valves and drain valves

Answer 267

behind glass or a suitably marked enclosure

Answer 268

opened up and internally examined at each Coast Guard biannual inspection for certification

Answer 269

open area or at the gangway near the emergency hallway

Answer 270

fusible link

Answer 271

remote operated valve

Answer 272

CO2 system pressure switch

Answer 273

heat or smoke detector

Answer 274

taking measures to prevent the spread of fire from the involved compartment to an adjacent compartment

Answer 275

protecting fire fighters from direct exposure to the heat of the fire

Answer 276

keeping flames from burning at the tank vents

Answer 277

protecting exposed areas of the superstructure from flames

Answer 278

secure power to the cable

Answer 279

cut the cable with a cable cutter

Answer 280

insulate the melted ends

Answer 281

remove the electrical load on the cable

Answer 282

30 minutes

Answer 283

10 minutes

Answer 284

15 minutes

Answer 285

60 minutes

Answer 286

A self-contained breathing apparatus

Answer 287

A fresh air breathing apparatus

Answer 288

An ammonia gas mask

Answer 289

Immersion suit

Answer 290

The speed with which it can be put into operation is around 45 seconds.

Answer 291

The equipment is lightweight and the wearer can work without difficulty in confined spaces.

Answer 292

The average operating time is over an hour.

Answer 293

Facial hair will not affect the mask performance.

Answer 294

approximately 60° above the horizon

Answer 295

into the wind

Answer 296

straight ahead

Answer 297

at the vessel whose attention you want to attract

Answer 298

Orange smoke signal

Answer 299

Handled red flare

Answer 300

Self-contained rocket propelled parachute red flare

Answer 301

Red aerial pyrotechnic flare

Answer 302

Only when there is a chance of them being seen by rescue vessels

Answer 303

At half-hour intervals

Answer 304

At one hour intervals

Answer 305

Immediately upon abandoning the vessel

Answer 306

on the downwind side of the craft

Answer 307

on the upwind side of the craft

Answer 308

inside the craft

Answer 309

at the stern of the craft

Answer 310

may be used individually in conjunction with other distress signals

Answer 311

consists of 5 or more short blasts of the fog signal apparatus

Answer 312

consists of the raising and lowering of a large white flag

Answer 313

is used to indicate doubt about another vessel’s intensions

Answer 314

leave it on continuously

Answer 315

turn it off for five minutes every half-hour

Answer 316

turn it off and on at five minute intervals

Answer 317

turn it off during daylight hours

Answer 318

send radio homing signals to searching aircraft

Answer 319

hold the lifeboat's head up into the seas

Answer 320

generate orange smoke

Answer 321

seal leaks in rubber rafts

Answer 322

automatically control the speed of lowering by gravity

Answer 323

automatically stop the boat if electric power fails

Answer 324

mechanically stop the boat when the hand break fails

Answer 325

hold the load suspended during lowering operations

Answer 326

limit switch

Answer 327

brake handle

Answer 328

preventer bar

Answer 329

pushing the switch lever arm while the winch is running

Answer 330

the engineers, from a panel in the engine room

Answer 331

shutting off the current to the winch

Answer 332

it can be tested as long as the port surveyor is the one inspecting it

Answer 333

stay in the immediate area

Answer 334

plot course for nearest land

Answer 335

go only with the direction of the sea

Answer 336

go one direction until fuel runs out

Answer 337

remain in the immediate vicinity

Answer 338

head for the nearest land

Answer 339

head for the closest sea-lanes

Answer 340

vote on what to do, so all hands will have a part in the decision

Answer 341

reduce your drift rate

Answer 342

keep the survival craft from turning over

Answer 343

aid in recovering the survival craft

Answer 344

increase your visibility

Answer 345

boarding and operating procedures

Answer 346

maintenance schedule

Answer 347

navigational system

Answer 348

fuel consumption rates

Answer 349

wait for calmer weather before transferring personnel

Answer 350

tie up the rescue vessel

Answer 351

transfer only those who are seasick

Answer 352

transfer all personnel immediately

Answer 353

right it in case of capsize

Answer 354

increase area for radar detection

Answer 355

act as a sail in case of a power loss

Answer 356

steady the craft in heavy seas

Answer 357

Releasing gear lever

Answer 358

Boat hooks

Answer 359

muster list

Answer 360

ship's articles

Answer 361

forecastle card

Answer 362

must be submerged to a certain depth to release automatically

Answer 363

must be wet before it will release

Answer 364

should be kept in a watertight cover except in an emergency

Answer 365

will inflate the raft in its cradle if operated manually

Answer 366

Make sure the operating cord is secured to the vessel before throwing it over the side

Answer 367

Open the liferaft casing

Answer 368

Turn the valve on the CO2 cylinder to start inflation

Answer 369

After inflation, detach operating cord from liferaft

Answer 370

standing on the CO2 bottle, holding the bottom straps, and throwing your weight backwards

Answer 371

pushing up on one side.

Answer 372

getting at least three or four men to push down on the side containing the CO2 cylinder

Answer 373

doing nothing, it will right itself after the canopy supports inflate

Answer 374

I, II and III

Answer 375

secure the rafts together to keep them from drifting apart

Answer 376

separate the rafts as much as possible to increase chances of detection

Answer 377

transfer all supplies to one raft

Answer 378

transfer all the injured to one raft

Answer 379

Two fire hydrants with hose, nozzle and application

Answer 380

One portable foam extinguisher

Answer 381

Ten cubic feet of sand of with scoop

Answer 382

One semi-portable CO2 extinguisher

Answer 383

limit the spread of the fire and control the amount of heat produced

Answer 384

instantaneously extinguish the fire which triggered it

Answer 385

protect people in the areas which have had sprinkler heads installed

Answer 386

alert the crew to the fire

Answer 387

self-contained breathing apparatus

Answer 388

canister -type gas mask

Answer 389

fresh -air breathing apparatus

Answer 390

combustible gas indicator

	Criado por mrk nthny mais de 8 anos atrás

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