SPECIMEN EXAMINATION FOR SECOND MATE 



45 



What color is required for lifeboat 

 sails? 



What care should be given canvas 

 aboard ships? 



How many tarpaulins are required 

 for hatches of a merchant vessel in 

 ocean service? 



What is the minimum grade of ma- 

 terial required for tarpaulins? 



Where the shell of a lifeboat is liable 

 to damage, wear, or corrosion from con- 

 tact with chocks, how is the boat fitted 

 to keep the possibility of such damage 

 to a minimum? 



Where the shell of a lifeboat is liable 

 to damage, wear, or corrosion from con- 

 tact with chocks, what maintenance 

 care should be taken by the officers and 

 crew of the vessel? 



What protection is afforded aboard 

 ships against flooding of compartments 

 by water backing through scuppers, 

 tank overflows, sanitary discharges, 

 etc., below the freeboard deck? 



What are the dangers that may be 

 created by vent or sounding lines from 

 a double bottom tank being damaged be- 

 low the deck of a vessel in cargo holds 

 or other spaces? 



What precautions must be taken to 

 avoid harbor pollution when taking fuel 

 oil or petroleum cargoes? 



Where vessels are fitted with cowl 

 type ventilators, what means must be 

 provided for closing them in the event 

 of storm or fire? 



What is the importance of freeing 

 ports on a vessel with solid bulwarks 

 operating in a heavy sea? 



What speed must a fully loaded 

 motor lifeboat be capable of attaining? 



What quantity of fuel is required to 

 be carried in a motor lifeboat? 



In shifting a vessel forward on a 

 pier as illustrated, would off-shore head- 

 line "A," inshore headline "B," or in- 

 shore headline "C" provide the greatest 

 pulling effect? Why? 



Referring to the sketch : 



(a) What is the name and purpose 

 of the figure illustrated? 



(b) Explain the meaning of the 

 various lines and letters. 



(c) How is the marking placed on 

 vessels? 



WNA 



What is the required length of life 

 boat falls? 



If for any reason the boat falls were 

 too short to enable a lifeboat to be 

 lowered into the water, what might be 

 done? 



Are provision and special equipment 

 lockers of a lifeboat required to be 

 watertight? 



What color should running light 

 screens be painted? 



Describe the use of tricing lines on 

 lifeboats suspended from gravity davits 

 when the boat is swung into the em- 

 barkation deck for passengers to get 

 into it. State why the frapping lines 

 should be passed before releasing the 

 tricing line pelican hooks. 



When the vessel is moored to two 

 anchors, does she require the same 

 amount of cable on each of the two 

 anchors as when laying to one anchor? 



How are lifeboats required to be num- 

 bered and marked? 



What is the purpose of the footings 

 in a lifeboat? 



•Bi* "C* 



