Quiz
Power prep quiz 9
Erstelle ein kostenloses Konto, um dieses Quiz zu beenden
Speichere deinen Fortschritt und sieh dir dein Endergebnis an.
oder mit deiner E-Mail registrieren
Schon ein Konto? Anmelden
Fragen in diesem Quiz (12)
1An essential auxillary in a gas turbine system is
- Aregenerator
- Bstarting motor
- Cintercooler
- Dwaste heat boiler
- Ecombustor
2A 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- A1,2,3,4
- B2,1,3,4
- C4,2,3,1
- D2,4,1,3
- E3,1,2,4
3Air choking in the high pressure end of the compressor is also termed:
- Asputtering
- Bback-firing
- Cchoking
- Dsurging
- Edead-heading
4When starting a gas turbine in manual mode, what would be the first step
- Astart the starting motor
- Bengage the ignitors
- Cload the power turbine
- Dengage the turning gear
- Estart the auxillary systems
5Water washing and adding chemicals to fuels that contain sodium or vanadium is primarily for
- Areducing deposits on turbine blades
- Breduce blade erosion
- Clower exhaust gas temperatures
- Dreduce turbine blade erosion
- Elower NOX emmisions
6Major overhauls are performed on a gas turbine:
- Aannualy
- Bwhen performance is poor
- Cmonthly
- Daccording to the manufacturers specifications
- Eduring off-peak hours
7Which 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- A1,2
- B2,3,4
- C1,2,4
- D1,2,3
- E1,2,3,4
8Which 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- A1,2
- B2,3,4
- C1,2,4
- D1,2,3
- E1,2,3,4
9Minor servicing carried out on a gas turbine:
- Ais done monthly
- Bis done annualy
- Cmay only allow some adjusting to the combustor unit
- Dwill include power turbine blade replacement
- Ewill include compressor balancing and mechanical maintenance
10when inspecting the flame tube of a gas turbine during a turnaround the operator should check for
- Adistortion
- Bproper ignition
- Cair flow restrictions
- Dscaling
- Ecorrosion salts
11combustion unit inspections and maintenance includes
1. cleaning
2. ignition checks
3. adjusting fuel flows
4. igniters and retraction gear tested- A1,2
- B2,3,4
- C1,2,4
- D1,2,3
- E1,2,3,4
12The lubrication system on a gas turbine for be checked for:
1. leaks
2. water
3. dirt
4. metal particles- A1,2
- B2,3,4
- C1,2,4
- D1,2,3
- E1,2,3,4
Informationen
- Beschreibung
- power engineering 3b2 Quiz am Power prep quiz 9, erstellt von TRAVIS CANNING am 28/02/2016.
- Autor
- TRAVIS CANNING
- Sprache
- English
- Aufrufe
- 9
- Schlagwörter
- Bewertung
- Noch keine Bewertungen Bewerte dieses Quiz