Power prep quiz 9

An essential auxillary in a gas turbine system is

A gas turbine is started in the following sequence of operation
1. air is heated in the combustor
2. air is drawn into the compressor
3. exhaust gases expand through the turbine
4. air is exhausted to atmosphere or hrsg

Air choking in the high pressure end of the compressor is also termed:

When starting a gas turbine in manual mode, what would be the first step

Water washing and adding chemicals to fuels that contain sodium or vanadium is primarily for

Major overhauls are performed on a gas turbine:

Which of the following components will reduce noise pollution from a gas turbine system:
1. inlet silencers
2. exhaust silencers
3. acoustic insulation
3. using axial air compressors

Which interlocks need to be in the start position to start a gas turbine
1. oil pressure normal
2. dampers and ducting open
3. controls circuits energized
4. governer in start position

Minor servicing carried out on a gas turbine:

when inspecting the flame tube of a gas turbine during a turnaround the operator should check for

combustion unit inspections and maintenance includes
1. cleaning
2. ignition checks
3. adjusting fuel flows
4. igniters and retraction gear tested

The lubrication system on a gas turbine for be checked for:
1. leaks
2. water
3. dirt
4. metal particles