单选题 A ____ extracts heat from a heat source and rejects heat to air or water at a higher temperature for heating.

单选题 While the systems are in operation, the major task for the central control room operator is to ____ the status of these systems.

单选题 A unit may be started as soon as the common service systems are ____.

单选题 The ideal cycle that the working fluid undergoes in this closed loop is the Brayton cycle, which is made up of four internally ____ processes.

单选题 A myriad of activities will be conducted during a unit startup, some in ____ and some in sequence.

单选题 Starts are usually categorized as cold, warm or ____ starts.

单选题 ____ is the basis for process control in industry.

单选题 Operator interface devices are the ____ that a control room operator uses to monitor and control plant operation.

单选题 Small gas turbines, with outputs of 35-45 MW, can achieve energy conversion efficiencies of up to ____ in power generation applications.