search the National Occupational Classification website to find the occupation given and select the answers (all that apply) that best correspond to the duties listed that are among the main duties for that occupation - Your client is a "mechanical engineer." Question 5 options: a) Plan and manage projects, and prepare material, cost and timing estimates, reports and design specifications for machinery and systems. b) Plan, organize, direct, control and evaluate the activities of an engineering department, service or firm. c) Develop maintenance standards, schedules and programs and provide guidance to industrial maintenance crews. d) Analyze dynamics and vibrations of mechanical systems and structures. e) Conduct studies, and develop and supervise programs to achieve the best use of equipment, human resources, technology, materials and procedures to enhance efficiency and productivity