78 



UNITED STATES COAST GUARD 



On a vessel where passengers are car- 

 ried who do not speak English, what 

 precautions are required by the Regula- 

 tions with respect to notices, directional 

 signs, etc.? 



What is the maximum temperature 

 that should be permitted in the compart- 

 ment where carbon dioxide cylinders 

 are stowed? 



What provisions against the danger 

 of fire must be provided on vent out- 

 lets from oil tanks? „«„fU, 



On passenger vessels, how frequently 

 must the smoke inlet for the fire detect- 

 ing system in the cargo hold be ex- 

 amined? How would you smoke test the 

 system for fire detection m the hold .' 



Are galvanized nozzles and couplmgs 

 acceptable for use on United States 

 merchant vessels? 



The Passenger Vessel Regulations 

 state : "all parts of the fire main located 

 on exposed decks shall either be pro- 

 tected against freezing or be fitted with 

 cutout valves and drain valves so that 

 the entire exposed part of such piping 

 may be shut off and drained in freezing 

 weather." , ^, 



(a) Assume that you have the 

 night duty on a passenger vessel m a 

 northern port in freezing weather A 

 rubbish fire breaks out on the open fore 

 deck. State in detail what steps you 

 might have to take to make effective 

 use of your fire hose. 



(b) What precautions must be 

 taken with respect to cut off valves in 

 non-freezing weather? 



On a vessel fitted with smoke detect- 

 ing apparatus for the holds and deep 

 tanks where liquid and dry cargo may 

 be alternately carried, what precautions 

 must be taken when liquids are carried? 



How is the radio operator of a tanker 

 warned against the use of his equip- 

 ment while inflammable cargo is being 

 transferred? 



In discharging COj into a paint locker 

 of small size with a watertight door 

 battened down and a mushroom ven- 

 tilator screwed down tight, what pre- 



cautions should be borne in mind? 



What do the Regulations prescribe 

 with respect to openings of spaces pro- 

 tected by a COj fire extinguishing sys- 

 tem? Why should a COj system differ 

 from a steam system with respect to 

 such openings? 



On a ventilation duct passing through 

 a main vertical zone bulkhead of a pas- 

 senger vessel, how could you determine 

 in case of fire whether the automatic 

 damper had functioned properly? 



At what temperatures do automatic 

 fire dampers operate to close passenger 

 ship vent ducts? In locations such as the 

 galley, what temperature is permitted? 



How would you inspect the ventila- 

 tion duct dampers for necessary mainte- 

 nance and repairs? 



How may a person unfamiliar with a 

 passenger vessel find the location of 

 fire-fighting equipment and means of 

 ingress as quickly as possible if the 

 vessel is over 1,000 gross tons or on in- 

 ternational voyages? 



What regulations govern making 

 alterations, repairs, or operations in- 

 volving riveting, welding, burning, etc., 

 in or on the boundary of oil tanks, oil 

 lines, or oil heating coils? 



Describe the precautions against fire 

 from electrical cables and lighting fix- 

 tures that you would take in cargo 

 holds. 



What publication sets forth the 

 Regulations for transportation of ex- 

 plosives or other dangerous cargoes? 



What is the duty of the master of a 

 vessel carrying dangerous goods when 

 the containers in which these goods are 

 packed develop leaks during the voyage? 



What amount of carbon dioxide is re- 

 quired aboard merchant vessels fitted 

 with the COj type of extinguishing sys- 

 tem? 



On vessels fitted with mechanical ex- 

 haust ventilation over galley ranges, 

 what precautions should be taken to 

 prevent fire in vent ducts? Explain your 

 reasons. 



29. SHIP'S SANITATION. 



What measures should be taken to in- 

 sure that men handling food are free 

 from communicable disease, and take 

 sanitary precautions while performing 

 their duties? 



What type toilet seats must be pro- 

 vided for the use of the crew? 



What provisions for the protection 



of the crew are required on vessels trad- 

 ing in areas where insects are a prob- 

 lem? 



How should hose used for filling 

 potable water tanks be stowed, and 

 what care should be taken in handling 

 such hose? 



