Afarmer wants a surface irrigation system to be put in place on a field covering 100 ha. explain the type of surveying including instruments used which can be done in order to; (i) determine the elevation difference between the pump unit on the bank of a river and the highest point in the field.

Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.

Burgers vector is generally parallel to the dislocation line. a)-true b)-false

Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.