Fire & Emergency

Question 1

A fixed carbon dioxide extinguishing system for a machinery space, designed with a stop valve installed in the line leading to the protected space, is actuated with __________.

Answer 1

two independent controls

Question 2

A grade “A” petroleum product is __________ .

Answer 2

a flammable liquid

Question 3

A portable foam fire extinguisher carried aboard a tank vessel must be recharged every ______.

Answer 3

12 months

Question 4

A vessel carries a total of ten B-II CO2 fire extinguishers. How many spare extinguishers must the vessel carry?

Answer 4

One

Question 5

According to U.S. regulations, how many emergency outfits are required to be carried onboard all tankships over 1,000 gross tons?

Answer 5

Two

Question 6

According to CFRs, open tank hatches from tanks which are not gas free, and unattended, must be protected by __________.

Answer 6

flame screens

Question 7

A grade “E” combustible liquid is one having a flash point of 150°F or above. An example of a grade “E” product is __________.

Answer 7

engine lubricating oil

Question 8

According to Coast Guard Regulations (46 CFR), a 10 pound dry chemical extinguisher is equivalent to a __________.

Answer 8

15 pound CO2 fire extinguisher

Question 9

According to Coast Guard Regulations (46 CFR), on a freight vessel, each fire pump must be capable of supplying the two highest outlets simultaneously, at a Pitot tube pressure of __________ .

Answer 9

50 psi

Question 10

A grade “E” petroleum product is __________ .

Answer 10

a combustible liquid

Question 11

According to Coast Guard Regulations (46 CFR), which of the listed CO2 (carbon dioxide) fire extinguishers by size is classified as B-II?

Answer 11

15 lbs

Question 12

According to U.S. Coast Guard Regulations (46 CFR Part 34), if a fixed foam system is activated aboard a tank vessel, the foam supply must be sufficient to last for a minimum of __________.

Answer 12

three minutes

Question 13

According to U.S. Coast Guard Regulations (46 CFR), portable Halon fire extinguishers used on a MODU may be charged with __________ .

Answer 13

Halon 1211 only

Question 14

According to Federal Regulations, a confined or enclosed space that is being prepared for crew members to enter, should be tested and designated "NOT SAFE FOR WORKERS" if the oxygen content of the atmosphere in the compartment is less than \_\_\_\_\_\_\_\_\_\_ .
A	13.50%
B	15.50%
C	17.50%
D	19.50%

Answer 14

D 19.50%

Question 15

Actuating the fixed CO2 system should cause the automatic shutdown of the __________.

Answer 15

supply and exhaust ventilation

Question 16

An example of a combustible liquid is _____.

Answer 16

lube oil

Question 17

After a fire has been extinguished in a closed space, personnel may safely enter the space when __________ .

Answer 17

all smoke and toxic fumes are removed and an adequate oxygen supply is present

Question 18

All fire hoses on mobile offshore drilling units must be tested to a pressure of at least __________.

Answer 18

100 psi

Question 19

Any liquid which gives off flammable vapors at or below 80°F, as determined by flash point from an open cup tester, describes a __________ .

Answer 19

flammable liquid

Question 20

Any liquid with a flash point above 80°F is a __________ .

Answer 20

combustible liquid

Question 21

Aqueous film forming firefighting foam is also known as __________.

Answer 21

mechanical foam

Question 22

As a general rule of thumb, with no adverse wind conditions, approximately how far could a straight stream of water reach from a fire hose having a nozzle pressure of 100 psi?

Answer 22

100 feet

Question 23

Before entering any space that has been sealed, its oxygen level should be tested. What level of oxygen in the space is equal to fresh air?
A	10.0%
B	15.8%
C	20.8%
D	25.8%

Answer 23

C 20.8%

Question 24

Before releasing the CO2 into the space, the alarm for a fixed CO2 system must sound for at least __________.

Answer 24

20 seconds

Question 25

Besides heat, fuel, and oxygen, which of the following is necessary for a fire to exist?

Answer 25

Chain reaction

Question 26

Bunker C is classified as a grade ______.

Answer 26

“E” liquid

Question 27

By definition, an example of a flammable liquid is __________.

Answer 27

gasoline

Question 28

By definition, combustible liquids are liquids which __________.

Answer 28

have a flash point of 80*F or higher

Question 29

By definition, spontaneous combustion is a result of __________.

Answer 29

chemical reactions within a substance