Description: highest rotational speed of the power-input rotor at which the machine as built and tested is capable of continuous operation with the specified fluid at any of the specified operating conditions; Name: highest continuous speed allowed
Description: highest speed for continuous operation recommended by the manufacturer; Name: maximum allowable continuous speed
Description: variable quantity, which is not influenced by the control but is introduced into the control system from outside with the aim of making the final controlled variable follow it in a given relationship; Name: command variable