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The engine room is designed so it can be sealed off completely in case of fire, in order to: 1. Prevent the fire from spreading to other areas. 2. Starve the fire of oxygen. 3. Be able to pump in and maintain a fire fighting gas such as CO2 (which smothers it) or Halon (which inhibits combustion).
The engine powers a hydraulic pump, which then push the hydraulic oil to the pistons.
A jockey pump is a small pump connected to a fire sprinkler system and is intended to maintain pressure in a fire protection piping system to an artificially high level so that the operation of a single fire sprinkler will cause a pressure drop which will be sensed by the fire pump automatic controller, causing the fire pump to start. The jockey pump is essentially a portion of the fire pump's control system.
No, fire engine is not a compound word. fire and engine are to words not together. : ) :P : ) :P Simples : )
A fire engine is a vehicle specifically designed to transport and help emergency personnel extinguish fires.