The oxygen indicator is an instrument that measures the __________.
A
amount of oxygen in the atmosphere of a confined space
B
amount of combustible gas as a percentage of the lower explosive limit in a confined space
C
concentration of CO2 as a percentage of oxygen in a confined space
D
None of the above
E
İlgili Sorular
Where will you find information about the duration of slack water?Which vessel is required by regulations to have an Official Logbook?The first indications a mariner will have of the approach of a warm front will be __________.While in transit at a draft of 20.5 feet, the DEEP DRILLER has a KGT of 65.00 feet. What is the GMT?How would the exhaust of a properly operating diesel engine§appear?