When the head on the head on the turbine is reduced to unity,the condition of the turbine under unit head are such that the efficiency of the turbine remains unaffected.The head acting on turbine is termed as unit head.

The individual officially designated to provide leadership for the unit (e.g., dean, director, or chair), with the authority and responsibility for its overall administration and operation.

Unit head:-
The head on the turbine is reduced to unity,the efficiency of the turbine remains unaffected is called as unit head.

Oversees each unit. Responsible for the safety of the campers and staff, implementation of policies and procedures, and mentoring and helping to train staff members.