Your vessel has a gasoline engine and a mechanical exhaust ventilation system. BEFORE starting the engine. How long do regulations require the exhaust blower to run prior to starting the engine?
A
Until at least one complete change of air in the compartments is accomplished
B
Until it has provided a proper supply of fresh air to the engine(s)
C
Until it ensures that the system is in good operating condition
D
Until it warms up the exhaust blower motor
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Question 1 / 20673956e598d45f16831b6e47
Question 1 of 20673956e598d45f16831b6e47
Your vessel has a gasoline engine and a mechanical exhaust ventilation system. BEFORE starting the engine. How long do regulations require the exhaust blower to run prior to starting the engine?
Your vessel has a gasoline engine and a mechanical exhaust ventilation system. BEFORE starting the engine. How long do regulations require the exhaust blower to run prior to starting the engine?