Question 3741Deck General70% to pass
Operation of the valve control release on a fixed CO2 system must immediately _______________.
AI Explanation
The correct answer is B) secure all mechanical ventilation in the protected space.
When the valve control release on a fixed CO2 system is operated, it immediately secures all mechanical ventilation in the protected space. This is to prevent the CO2 from being drawn out of the protected space before it can effectively extinguish the fire. The other options are incorrect because: A) the CO2 is not released until the system is activated, C) sounding an alarm in the ballast control room is not an immediate requirement, and D) sounding the general alarm is a separate step, not a direct result of operating the valve control release.
Related Questions
#3739 Before releasing the CO2 into the space, the alarm for a fixed CO2 system must sound for at least _______________.#3740 On offshore drilling units fitted with CO2 systems, each space that contains a cylinder must be vented and designed to keep temperature in the space at not more than _______________.#3742 The discharge side of every fire pump must be equipped with a _______________.#3743 A fixed CO2 system on a MODU with a capacity of over 300 lbs (136 kilograms) CO2 which protects spaces other than tanks must have #3744 Portable Halon extinguishers used on MODU's may use _______________.