Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG Deck General (Set 100)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

The wooden plug inserted in the vent of a damaged tank of a MODU should be removed in case it is decided to __________.

Browse Questions in Set 100

30 MCQs

#1 The wooden plug inserted in the vent of a damaged tank of a MODU should be removed in case it is decided to __________. #2 Progressive flooding on a MODU is controlled by securing watertight boundaries and __________. #3 To assess the potential for progressive flooding aboard a damaged MODU, you must know the __________. #4 Which type of hull damage on a floating MODU should be repaired first? #5 Repairing damage to the hull of a MODU at or above the waterline reduces the threat of __________. #6 An uncontrolled flow of gas, oil, or other well fluids into the atmosphere is called a __________. #7 If the low side bilge pump fails and the high side bilge pump has insufficient suction to dewater the low side of the COASTAL DRILLER when afloat, you should use the __________. #8 Failure of both port ballast pumps on the DEEP DRILLER prevents their use. To deballast from tank 1P, you may use the __________. #9 Repair of structures on a MODU in the vicinity of liquid mud handling areas presents what possible hazard? #10 Which of the following would be the most probable location to encounter explosive and flammable gasses on a MODU? #11 What is the percentage of oxygen in a typical sample of uncontaminated air? #12 On a MODU, if there is a probability of encountering H2S during the drilling of a well, where should the air movers (bug blowers) be installed to dilute concentration of the gas? #13 Requirements for H2S preparation and equipment usage aboard MODU's in U.S. offshore waters are administered by the which of the following organizations? #14 When H2S has been encountered on a MODU, or is anticipated, monitoring devices must sound an alarm (which differs from the lower concentration alarm) or otherwise warn employees when concentration of H2S reaches or exceeds how many parts per million? #15 The probability of sulfide stress cracking in the presence of hydrogen sulfide is greatest for which of the following materials? #16 What additional precautions should be taken when making temporary repairs to a MODU that is operating when hydrogen sulfide is present? #17 Individuals who have consumed alcohol within 24 hours prior to exposure to H2S can tolerate which of the following? #18 What is the minimum concentration of H2S that will cause death with short-term exposure? #19 What is the minimum concentration of H2S which can cause death if a person is exposed for even an instant? #20 The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects defines which of the following phrases? #21 Which of the following conditions would be the worst for the dispersion of H2S? #22 What is the effect of high concentrations of H2S gas on personnel? #23 Why can a person's sense of smell not be depended upon to detect H2S? #24 During severe storms when survival becomes a major concern, it may become necessary to relieve high anchor tensions on the windward side of the unit by __________. #25 The edge of a hurricane has overtaken your MODU in the Gulf of Mexico and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the __________. #26 What danger is presented if a waterspout passes over a MODU? #27 Apparent wind speed blowing across a MODU under tow can be measured by a(n) __________. #28 When hanging off drill pipe in emergency situations aboard a MODU, the preferred location of the drill bit is __________. #29 A survival craft being used to pick up a person who has fallen overboard from a MODU should approach the person __________. #30 On board a mobile offshore drilling unit, the key to the most rapid and effective response to a man overboard situation is __________.

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...