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CFB FINAL EXAM (MULTIPLE CHOICE)

Quiz by Jon Francis

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20 questions
Show answers
  • Q1
    The reduction of the amplitude of a signal, electric current, or other oscillation.
    Depletion
    Attenuation
    Exhaustion
    30s
  • Q2
    How many risers does a water wall have?
    37
    36
    38
    39
    30s
  • Q3
    Amount of dust particles that are being collected in the grounded plates and falls down to the ash hopper when vibrated by the rapper.
    30,550 mg / Nm3
    30,750 mg / Nm3
    30,950 mg / Nm3
    30s
  • Q4
    Protects HP turbine from overheating due to windage losses at load rejection or star-up with no admission steam to HP turbine
    Ventilator Valve
    Venting Valve
    30s
  • Q5
    After the first indication of presence of ______, earth moving equipment can be used to excavate the material. The excavated material should then allowed to cool and re-compacted accordingly.
    hive
    Hotbed
    Hotspot
    30s
  • Q6
    Pneumatic valve used to bypass super heater main steam provided with water feed water spray to lower steam temperature to preset point before discharging to cold reheat line.
    High Pressure By-pass Control Valve
    Low Pressure By-pass Control Valve
    30s
  • Q7
    Start-up burners is taken from the hot secondary air coming from secondary air fan that was heated in the rotary type air heater.
    Combustion Air
    Staging Air
    30s
  • Q8
    Is the portion of the steam cycle where the largest energy losses in the plant cycle occur.
    Pump
    Turbine
    Condenser
    Boiler
    30s
  • Q9
    Boiler feed pump is horizontal, centrifugal, multi-stage type. How many stages does BFP have?
    6
    7
    9
    8
    30s
  • Q10
    What do you call the main valve in soot blower wherein the steam enters then goes to lance of soot blower assembly?
    Poppet Valve
    Puppet Valve
    30s
  • Q11
    Secondary Air Fan (SAF) motor rating and rpm.
    1,950 kW, 1,780 rpm
    1,850 kW, 1,780 rpm
    30s
  • Q12
    Primary Air Fan (PAF) motor rating.
    3,700 kW x 4p x 6.6kV
    3,600 kW x 4p x 6.6kV
    30s
  • Q13
    The ____ the turbidity and suspended solids, the higher the coagulant dose.
    Higher
    Lower
    30s
  • Q14
    Induced Draft Fan (IDF) motor rating.
    3,600 kW x 6p x 6.6kV
    3,300 kW x 6p x 6.6kV
    30s
  • Q15
    belt width of gravimetric feeder / coal feeder at SMC
    1140 mm
    1160 mm
    1150 mm
    30s

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