A 3-phase 66/11kV star-delta connected transformer is protected by Merz-price system. The CTs on low tension side have a ratio of 420/5A. Find the ratio of the CTs on the high tension side.

What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

What are the two (02) benefits, which may result from a successful implementation of preventive maintenance (pm) program in an organization? (clo3)a)- lean manufacturing b)-overlapping responsibilities c)-the planner is not qualified d)-accurate contractor information e)-reduction in equipment redundancies f)-accurate stores information