Alight rod ad is supported by frictionless pegs at r and c and rests against a frictionless wall at a. a vertical 120-lb force is applied at d. determine the reactions at a, b, and c.

During a steady flow process, the change of energy with respect to time is zero. 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

Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options