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Exam (elaborations)

Power Engineering Absa 3A2_3A2

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Power Engineering Absa 3A2_3A2

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1 of 124

Term



the exiter feild voltage meter can be described as



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giving an indication of the dc
measuring the frequency of the voltage that is being supplied
generator's output to the genorators feild
windings




showing the power consumption of indicating the ac voltage output of
the generator the generator


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2 of 124

Term

,what is the name for the ratio of the output force to the input force



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percentage voltage regulation actual efficiency




ideal efficiency actual mechanical advantage


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3 of 124

Term



which standard applies to the process piping typically found in
petroleum refineries as well as chemicals pharmaceuticals and
cryogenic plants



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asme-b31.1 asme-b31.3




asme-b31.5 asme-b31.7


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4 of 124

,Term



on temp enthapy diagram the points 374.12c and pressure at 22090 is
the

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normal boiling point triple point




freezing point critical point


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5 of 124

Term



which of the following are the three key elements of whimis



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retaining heat in hot lines,
control valves, variable speed preventing corrosion of metal
motor drives,damper positioners surfaces,
preventing injury to personnel




labels on hazardous materials
and their containers, SDS digital logic signals can be
sheets, triggered by analog signals
worker education programs

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6 of 124

Term



________ permits are used to cover specific hazards, these hazards
include extreme hazardous loction, radioactive material,
polychlorinated biphenlyns excavation and power supplies



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routine standard




special general


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7 of 124

Term



diaphram valves have three basic parts



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actuator, stem, body inlet, outlet, seat

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