An ecm (a) is always installed on the vehicle's firewall (b) stores diagnostic
cessive rpms
trouble codes in rom (c) protects the engine from overheating or excessive
(d) all of these.

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

Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.

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