22 



UNITED STATES COAST GUARD 



When loading long reinforcing rods, 

 pipe, rails, or similar steel items using 

 a single chain sling as shown, what is 

 the usual method employed to prevent 

 the draft slipping out of the sling? Ex- 

 plain the reasons for this. 



How should cargo falls be wound on 

 a drum? 



What precautions to avoid injury 

 should be observed by men landing 

 drafts? 



If the dry bulb temperature is 80° and 

 the wet bulb temperature 70°, what is 

 the relative humidity in a cargo hold? 



From what book could you determine 

 the applicable i-egulations relating to a 

 dangerous commodity to be transported? 



How does measurement cargo differ 

 from deadweight cargo? 



In loading a general cargo, what pro- 

 visions could you make to minimize loss 

 of cubic space due to broken stowage? 



Name the sources of moisture in the 

 air of a cargo hold. 



What is spontaneous combustion? 



What types of cargoes are most liable 

 to take fire through spontaneous com- 

 bustion? 



What measures should be taken to 

 avoid fires caused by spontaneous com- 

 bustion? 



What reasons, other than preventing 

 sweat, make ventilation necessary for 

 many cargoes? 



What is meant by the stowage factor 

 of any consignment? Of what use is it? 



What is meant by the absolute hu- 

 midity of the air? 



What does "full and down" mean? 



What is the difference between a long 

 ton and a short ton? 



How could you find the bung of a 

 dirty cask? 



What type of dangerous cargo is in- 

 dicated by each of the following? 



(a) Green label. 



(b) Red label. 



(c) Skull & crossbones. 



In loading or discharging automo- 



biles, what precautions should be taken 

 against damage? 



In stowing automobiles, state the 

 measures that should be taken to 

 assure their discharge in good condi- 

 tion. 



Would you secure a boom guy and 

 preventer to the same cleat? 



Would you secure a boom guy and 

 preventer to the same shackle at the 

 boom head? 



What stowage must be provided fibers 

 of animal or vegetable origin that have 

 been involved in a fire or that have been 

 wet? 



What stowage must be provided fibers 

 or fabrics impregnated with more than 

 5 percent of animal or vegetable oil? 



How must lumber be handled in the 

 holds of vessels loading, unloading, or 

 containing explosives? 



What are three uses of dunnage? 



How should dunnage be stacked? 



In what part of the hold would you 

 require most dunnage? Explain your 

 answer. 



In what direction would you lay 

 dunnage? 



What precautions must be taken when 

 stowing containers of inflammable liquid 

 in a hold whose boundary bulkhead ad- 

 joins the boiler or engine room? 



Why are cargo battens, or spar ceil- 

 ing, fitted on the sides of cargo holds? 



What care must be taken in laying 

 dunnage over a finished commodity 

 block? 



If the portable electric cord for a 

 cargo cluster light were cut in two dur- 

 ing cargo operations, would it be per- 

 missible to use it after carefully splic- 

 ing and wrapping it with insulating 

 tape? 



Name the numbered parts of the 

 booms and cargo gear fittings illus- 

 trated. 



