A legacy system is all of the following, except:

Usually found on a mainframe.

A system that is already in place, from the past.

A system that often holds the middle tier of a multiple-tier system.

Old systems that often require hard-to-use command languages.

Systems that most often have detailed information that can be accessed by a system at a higher tier.

Fluids at rest possess no flow energy. a)- true b)- false

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

For each of the following process: a) sketch the p-v diagram, b)sketch t-s diagram, c) sketch t-v diagram, d) sketch the boundary work on one of the diagrams (a, b or c) and e) sketch the reversible heat transfer on one of the diagrams (a, b or c): 1- isobaric process from compressed liquid to superheated vapor 2- isothermal process from compressed liquid to superheated vapor 3- isentropic process from compressed liquid to superheated vapor