Final answer:
The subject is Engineering and the grade level is College. The question involves aircraft engine startup procedures.
Step-by-step explanation:
The subject of this question is Engineering as it pertains to the operation and maintenance of a UH-60M helicopter engine.
This question is suitable for a College level as it involves technical knowledge and understanding of aircraft engine startup procedures.
In the given statement, it mentions that if an engine is being started 60 seconds or less since the previous engine shutdown, there is no need to rollover on starter for 60 seconds prior to advancing ENG PWR CONT lever(s).