The yield strength for an alloy that has an average grain diameter of 5.3 x 10-2 mm is 121 MPa. At a grain diameter of 8.0 x 10-3 mm, the yield strength increases to 233 MPa. At what grain diameter, in mm, will the yield strength be 209 MPa?

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