Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR
USCG Deck General (Set 134)
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Question 1 of 30
The DEEP DRILLER, in transit at a seawater draft of 19 feet, enters a fresh water port. What is the new draft?
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30 MCQs #1 The DEEP DRILLER, in transit at a seawater draft of 19 feet, enters a fresh water port. What is the new draft? #2 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port center column below the waterline. Pumping from tanks 2P and 9P is not sufficient to prevent increasing port list. You should consider counterflooding in tank __________. #3 The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port forward column below the waterline. Pumping from tank 2P and 3P is not sufficient to prevent increasing port list and bow down trim. You should consider counterflooding in tank __________. #4 Joiner bulkheads on a MODU provide __________. #5 Structural bulkheads on a MODU are usually __________. #6 A virtual rise in the center of gravity of a MODU may be caused by __________. #7 Where is thicker plating usually found in the construction of integral tanks on a MODU? #8 The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). What is the new trim angle if 500 kips of weight are shifted aft 60 feet? #9 The DEEP DRILLER departs a fresh water port at a draft of 19.5 feet. What will be the draft in sea water? #10 A floating MODU with an initial negative metacentric height __________. #11 A semisubmersible, 200 feet in length between draft marks with the LCF 10 feet aft of amidships, records the following drafts: Port Forward 64'-9"; Port Aft 68'-9"; Starboard Forward 59'-9"; and Starboard Aft 63'-9". What is the true mean draft? #12 Where is the keel generally located on a MODU? #13 A MODU having continuous closely spaced transverse strength members is __________. #14 In the DEEP DRILLER, TCG is obtained from the sum of the transverse moments by __________. #15 In the DEEP DRILLER, the transverse free surface correction (FSCT) is obtained from the total of transverse free surface moments (FSMT) by __________. #16 The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the shift in TCG if 100.76 long tons of ballast are added to Ballast Tank #8S to replace the discharge of all bulk materials? #17 The DEEP DRILLER is loaded as shown in the Sample Load Form #2 (Ballasting to Survival). What is the VCG of the added liquid if 100.76 long tons of ballast are added to Ballast Tank #8S? #18 Bulkheads which form part of the tanks on a MODU are stiffened to withstand __________. #19 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. How much ballast is required to ballast to 32 feet? #20 The DEEP DRILLER, loaded as shown in Sample Load Form #5 (Survival), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to pump from __________. #21 A semisubmersible displacing 18,000 long tons has an LCG 2 feet forward of amidships. Bulk, weighing 400 long tons, is discharged from P-tanks located 50.8 feet aft of amidships. What is the new LCG? #22 A semisubmersible displacing 17,600 long tons has an LCG 3.2 feet forward of amidships. Bulk, weighing 400 long tons, is loaded into P-tanks located 50.8 feet aft of amidships. What is the new LCG? #23 The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What is the new transverse free surface correction (FSCT) if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged? #24 In MODU construction, a greater number of watertight bulkheads results in __________. #25 The decks of a MODU are supported by transverse members called __________. #26 Reinforcing frames attached to a bulkhead on a MODU are called __________. #27 While drilling ahead with 60 foot draft, the DEEP DRILLER encounters lost circulation and loses 460 barrels of 16 pounds per gallon mud to the hole. What is the resulting draft if no additional ballast is taken on? #28 While loaded as shown in the DEEP DRILLER Sample Load Form #3 (Preparing to Drill), all of the casing is discharged. What is the change in LCG? #29 The central longitudinal structural hull strength member of the lower hulls of semisubmersible MODU's is called the __________. #30 On a MODU, the keel is the primary strength member of the lower hull form in which direction?
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