How many fire pumps does the HST have?

The correct choice indicates that the HST has 22 fire pumps. This number is significant because it reflects the capacity and preparedness of the vessel to handle emergency situations effectively. Fire pumps are critical in firefighting efforts on ships, as they provide the necessary water pressure and volume needed to extinguish fires and cool down areas that may be at risk.

The presence of 22 fire pumps allows for a redundancy in firefighting capabilities, ensuring that if one or more pumps become inoperative, there are still enough pumps available to manage an incident. This extensive firefighting infrastructure is essential for safety in maritime operations, especially given various potential fire hazards on board. Understanding the number of fire pumps contributes to effectively planning and implementing damage control measures in emergency situations.