6. Which twilight is tabulated in the Nautical Almanac? (A) Global Horizon twilight (B) Civil twilight (C) Naval twilight (D) Astronomical twilight

6. Which twilight is tabulated in the Nautical Almanac?
(A) Global Horizon twilight
(B) Civil twilight
(C) Naval twilight
(D) Astronomical twilight

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統計： A(42), B(332), C(85), D(34), E(0) #1444659

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B1 · 2019/04/13

#3288593

航海曆上有哪一個曙暮光?B 民用曙暮光

(共 21 字，隱藏中）

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8. You load a liquefied gas which can react dangerously with water so moisture control of cargo tank is required before loading. What dew point of the dry air you should purge into cargo tank to remove moisture prior to loading as per IGC Code (International Gas Carrier Code)? (A) Air which has a dew point of -45 degrees Celsius or below at atmospheric pressure. (B) Air which has a dew point of -40 degrees Celsius or below at atmospheric pressure. (C) Air which has a dew point of -35 degrees Celsius or below at atmospheric pressure. (D) Air which has a dew point of -30 degrees Celsius or below at atmospheric pressure.

6. Which twilight is tabulated in the Nautical Almanac?
(A) Global Horizon twilight
(B) Civil twilight
(C) Naval twilight
(D) Astronomical twilight

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