here In hydraulic circuit diagrams, what does a broken line mean? (1) Pressure line (2) Pilot pressure line (3) Enclosure (4) Pneumatic pressure line (5) None of them In hydraulic circuit diagrams, what does a center line (long-short-long-short, ...) mean? (1) Pressure line (2) Pilot pressure line (3) Enclosure (4) Pneumatic pressure line (5) None of them Which symbol indicates that the component is varied only as a function of pressure? Which symbol indicates the hydraulic component operates in one direction as a pump, and in the other as a motor? Solution 1) Pilot lines 2) Enclosure 3) (4) 4) (b) plz rate the answer, if any query plz comment .