SPECIMEN EXAMINATION FOR THIRD MATE 



21 



Referring to the illustration : 



(a) What objections may be raised 

 to the stowage shown? 



(b) What measures could be taken 

 if such a stowage was necessary? 



Describe briery at least four meth- 

 ods by which pilferage of cargo can be 

 reduced. 



What measure could you require to 

 eliminate need for a "fiddle-string" 

 span when handling cargo as shown? 



Define : 



(a) Grain Cubic. 



(b) Bale Cubic. 



(c) Measurement ton (used in 

 computing freight charges) . 



When stowing deck cargo, what areas 

 of the deck must be kept free? 



What is a good method for caution- 

 ing longshoremen against using for 



stowage areas of the deck which should 

 be kept free? 



When filling oil or water tanks con- 

 tiguous to loaded cargo holds, what 

 precautions should be observed to pro- 

 tect the cargo? 



When a vessel is loading a general 

 cargo for discharge at several different 

 ports, what precautions are usual to 

 minimize the dangers of short landing 

 or overcarriage of cargo? 



What are the duties, during transfer 

 operations, of the senior deck officer on 

 duty on a tank vessel ? 



Describe briefly how you would avoid 

 cargo damage caused by leakage or 

 drainage from wet cargo. 



On a tank vessel, under what condi- 

 tions must cargo operations be stopped? 



Why is it advisable to make frequent 

 inspections of the pump room when 

 loading a tank vessel? 



What must be done by the deck offi- 

 cer on duty when loading or discharg- 

 ing is suspended because of failure of 

 deck machinery? 



What are the meanings of the fol- 

 lowing three terms used in marking 

 shipping containers: Gross, Tare, Net? 



What precaution is necessary to 

 avoid danger from an accumulation of 

 hazardous gases prior to and during 

 operation of pump room machinery? 



What are the seven classifications of 

 dangerous articles that may be carried 

 as cargo? 



Whr^t is meant by the term "dew- 

 point"? 



What care must be taken in the stow- 

 age of 'tween deck cargo to assure the 

 safety of men handling 'tween deck 

 hatches and beams, or working cargo 

 in the lower hold? 



In loading general cargo, why should 

 the space between the spar battens 

 (sweat boards) and the shell be kept 

 free of cargo? 



How would you stow metal drums? 



Why is it inadvisable to stow cargoes 

 susceptible to heat damage on tank 

 tops of tanks carrying fuel oil? 



What is a bill of lading? 



What is a stiff ship? 



What is a tender ship? 



In handling cargo bv the "yard and 

 stay" or "married falls" method, how 

 would you rig to assure that both pre- 

 venter and guy are taking their share 

 of stress? 



Why should preventer and guy take 

 stress together rather than preventer 

 being slack? 



What is a measurement ton? 



What is the advantage of a net sling 

 fitted with a "pie-plate" over a plain 

 net? 



