The feed pump controls the volume of water exchange.

A surge volume allows the plant to change bells (power output level) without running the feed pump dry or flooding the turbines.

Though both had nuclear power plants, the reactor systems were noisy, especially the feed pumps that ran cooling water through the nuclear pile.

The feed pump in a recirculating design typically injects a smaller amount of dirty water than co/counter-current designs.

However, problems with her feed pumps forced Waccamaw to return to Norfolk.

Two vacuum Dampfstrahlpumpen served as feed pumps.

All engines were fitted with injectors instead of feed pumps when built.

'X, that new feed pump they have is a beaut,' the sonarman observed.

It was later shown that the feed pump was five times the size of that required for the engine.

The only difference between the engines from the two manufacturers was the location of the feed pump.