Ohio stationary steam engineer Exam
Questions With Correct Answers
Combustion |efficiency |may |be |increased |by the |primary |air |- |Answer
|Preheating
What |is |the |purpose |of |cinder |reinjection? |- |Answer |increase |efficiency
2 |forces |of |equal |intensity |acting |in |opposite |directions |is? | - |Answer |tension
What |is |true |about |the |dew |poimt |of |flue |gasses |- |Answer |dew |point |is |the |temp |at |which
|the |gasses |will |condense
What |will |not |cause |high |stack |temps? |- |Answer |plugged |dry |pipe
What |is |true |about |smoke |- |Answer |smoke |consists |of |unburned |hydrocarbons
WHat |is |used |to |reduce |SO2 |emissions |in |coal |fired |boilers? |- |Answer |Wet |or |dry
|scrubbers
In |a |solid |fuel |fired |boiler, |a |gradual |increase |in |flue |gas |exit |temps |over |a |course |of
|a |shift |inidicates |the |boiler |operator |needs |to | - |Answer |operate |soot
|blowers
What |watertube |bolier |is |the |largest |in |size |and |steam-generating |compacitity |-
Answer | Utility | watertube | boiler
the |blowdown |on |a |safety |valve |can |be |altered |by |changing |the |setting |of |the
- |Answer |huddling |ring
Copper |and |brass |piping |may |be |used |for |piping |systems |as |long |as |the |temp |does
|not |exceed |- |Answer |406 |degrees
What |is |not |measured |in |a |3 |element |feedwater |system
-feedwater |flow
-drum |pressure
-steam | flow
-drum |level |- |Answer |drum |pressure
If |the |flame |in |a |gas-fired |bolier |is |pulsating |how |can |the |problem |be |fixed? |-
|Answer |increase |furnace |draft
Grindability |of |coal |is |an |issue |to |be |considered |when |operating |which |kid |of
,coal-burining |equipment? |- |Answer |ball-and-race |pulvarizer
When |using |an |induced |draft |fan, |where |will |the |strongest |negative |draft |be |found
|- |Answer |at |the |inlet |of |the |ID |fan
How |do |you |bank |a |fuel |oil-fired |boiler? |- |Answer |turn |off |the |fuel |and |air |supplies,
|the |re-light |the |burner |as |necessary |to |maintain |a |predetermined |minimum
|steam |pressure
What |is |true |about |the |lube |oil |used |in |a |steam |turbine |- |Answer |it |must |readily |seperate
|oil |and |water
What |supplies |the |oil |to |a |large |steam |turbine |during |start-up |- |Answer |aux |oil |pump
What |device |prevents |the |over-travel |of |the |governor |linkage |that |might |be
|caused |by |the |weight |of |the |governor |components |- |Answer |Dashpot
When |taking |a |boiler |out |of |service |what |should |you |not |do |- |Answer |close |the |vent
what |type |of |turbine |oil |purification |system |periodically |removes |a |potion |of |the |oil
|and |replaces |it |with |fresh |oil? |- |Answer |makeup |oil |system
what |type |of |steam |turbine |system |has |steam |take-offs |prior |to |going |into |the
|condenser? |- |Answer |extraction |turbine
What |is |the |pressure |above |which |the |exhaust |side |of |a |steam |turbine |and |the
|connected |piping |may |be |protected |by |either |a |safety |valve |or |a |rupture |disc, |or |a
|combination |of |the |2 |- |Answer |15 |psi
What |grade |fuel |oil |may |be |ignited |by |an |electric |spark |from |electrodes |powered
|by |an |ignition |transformer? |- |Answer |#2
what |is |the |cheapest, |easiest |form |of |water |treatment? |- |Answer |heating |the |water
A |turbine |exhausts |steam |@ |15 |psi. |This |steam |is |used |in |a |low-pressure
|application |such |as |a |deareator. |this |type |of |turbine |is |called |a: |- |Answer
|back-pressure |turbine
At |what |temp |should |you |add |cooling |water |to |a |turbines |bearings? |- |Answer
|110-120 |degrees
What |is |produced |from |the |reaction |between |sodium |sulfite |and |oxygen? |-
|Answer |sodium |sulfate
, What |is |the |purpose |of |an |attemperator |- |Answer |reduce |temp |of |superheated
|steam |by |adding |a |water |mist
What |are |the |2 |main |methods |by |which |steam |is |prevented |from |leaking |out
|around |the |turbine |shaft |where |the |shaft |exits |the |casing? |- |Answer |labyrinth |seals
|and |carbon |rings
If |the |water |in |a |boiler |is |foaming, |the |water |level |indication |in |the |gauge |glass |will
|be: |- |Answer |erratic
Cast |iron |or |ductile |iron |pipe |is |used |for: |- |Answer |underground |water |supply |and
|drainage
What |is |the |maximum |allowable |level |of |dissolved |solids |in |the |steam |being
|supplied |to |a |steam |turbine? |- |Answer |.1 |ppm
If |a |boiler |requires |a |second |safety |valve, |the |highest |pressure |setting |on |the
|additional |valve |should |not |exceed |the |MAWP |by |more |than |- |Answer |3%
Steam |is |tapped |off |a |turbine |casing |at |several |pressures |for |aux. |uses |in |the
|production |plant. |the |steam |is |called: |- |Answer |extraction |steam
If |the |tubes |in |a |boiler |are |flared |during |installation, |which |of |the |following |is |true?
-The | ID | is | increased
-The | OD | is | decreased
-The |length |is |decreased
-the |wall |thickness |is |increased |- |Answer |The |ID |is |increased
What |problem |is |caused |by |dirty |condenser |tubes? |- |Answer |inability |to |maintain |a
|normal |vacuum |on |condenser
A |lubrication |with |low |viscosity |is |usually: |- |Answer |adapted |to |high |RPM |use
On |a |bicolor |gauge |glass |water |will |appear | and |steam |will |appear | -
|Answer |green, |red
Name |2 |common |classes |of |steam |turbine |blading: |- |Answer |impulsive |and |reactive
Which |of |the |following |is |NOT |an |advantage |of |operating |a |steam |turbine
|condensing?
-the |condensate |from |the |steam |in |recovered
Questions With Correct Answers
Combustion |efficiency |may |be |increased |by the |primary |air |- |Answer
|Preheating
What |is |the |purpose |of |cinder |reinjection? |- |Answer |increase |efficiency
2 |forces |of |equal |intensity |acting |in |opposite |directions |is? | - |Answer |tension
What |is |true |about |the |dew |poimt |of |flue |gasses |- |Answer |dew |point |is |the |temp |at |which
|the |gasses |will |condense
What |will |not |cause |high |stack |temps? |- |Answer |plugged |dry |pipe
What |is |true |about |smoke |- |Answer |smoke |consists |of |unburned |hydrocarbons
WHat |is |used |to |reduce |SO2 |emissions |in |coal |fired |boilers? |- |Answer |Wet |or |dry
|scrubbers
In |a |solid |fuel |fired |boiler, |a |gradual |increase |in |flue |gas |exit |temps |over |a |course |of
|a |shift |inidicates |the |boiler |operator |needs |to | - |Answer |operate |soot
|blowers
What |watertube |bolier |is |the |largest |in |size |and |steam-generating |compacitity |-
Answer | Utility | watertube | boiler
the |blowdown |on |a |safety |valve |can |be |altered |by |changing |the |setting |of |the
- |Answer |huddling |ring
Copper |and |brass |piping |may |be |used |for |piping |systems |as |long |as |the |temp |does
|not |exceed |- |Answer |406 |degrees
What |is |not |measured |in |a |3 |element |feedwater |system
-feedwater |flow
-drum |pressure
-steam | flow
-drum |level |- |Answer |drum |pressure
If |the |flame |in |a |gas-fired |bolier |is |pulsating |how |can |the |problem |be |fixed? |-
|Answer |increase |furnace |draft
Grindability |of |coal |is |an |issue |to |be |considered |when |operating |which |kid |of
,coal-burining |equipment? |- |Answer |ball-and-race |pulvarizer
When |using |an |induced |draft |fan, |where |will |the |strongest |negative |draft |be |found
|- |Answer |at |the |inlet |of |the |ID |fan
How |do |you |bank |a |fuel |oil-fired |boiler? |- |Answer |turn |off |the |fuel |and |air |supplies,
|the |re-light |the |burner |as |necessary |to |maintain |a |predetermined |minimum
|steam |pressure
What |is |true |about |the |lube |oil |used |in |a |steam |turbine |- |Answer |it |must |readily |seperate
|oil |and |water
What |supplies |the |oil |to |a |large |steam |turbine |during |start-up |- |Answer |aux |oil |pump
What |device |prevents |the |over-travel |of |the |governor |linkage |that |might |be
|caused |by |the |weight |of |the |governor |components |- |Answer |Dashpot
When |taking |a |boiler |out |of |service |what |should |you |not |do |- |Answer |close |the |vent
what |type |of |turbine |oil |purification |system |periodically |removes |a |potion |of |the |oil
|and |replaces |it |with |fresh |oil? |- |Answer |makeup |oil |system
what |type |of |steam |turbine |system |has |steam |take-offs |prior |to |going |into |the
|condenser? |- |Answer |extraction |turbine
What |is |the |pressure |above |which |the |exhaust |side |of |a |steam |turbine |and |the
|connected |piping |may |be |protected |by |either |a |safety |valve |or |a |rupture |disc, |or |a
|combination |of |the |2 |- |Answer |15 |psi
What |grade |fuel |oil |may |be |ignited |by |an |electric |spark |from |electrodes |powered
|by |an |ignition |transformer? |- |Answer |#2
what |is |the |cheapest, |easiest |form |of |water |treatment? |- |Answer |heating |the |water
A |turbine |exhausts |steam |@ |15 |psi. |This |steam |is |used |in |a |low-pressure
|application |such |as |a |deareator. |this |type |of |turbine |is |called |a: |- |Answer
|back-pressure |turbine
At |what |temp |should |you |add |cooling |water |to |a |turbines |bearings? |- |Answer
|110-120 |degrees
What |is |produced |from |the |reaction |between |sodium |sulfite |and |oxygen? |-
|Answer |sodium |sulfate
, What |is |the |purpose |of |an |attemperator |- |Answer |reduce |temp |of |superheated
|steam |by |adding |a |water |mist
What |are |the |2 |main |methods |by |which |steam |is |prevented |from |leaking |out
|around |the |turbine |shaft |where |the |shaft |exits |the |casing? |- |Answer |labyrinth |seals
|and |carbon |rings
If |the |water |in |a |boiler |is |foaming, |the |water |level |indication |in |the |gauge |glass |will
|be: |- |Answer |erratic
Cast |iron |or |ductile |iron |pipe |is |used |for: |- |Answer |underground |water |supply |and
|drainage
What |is |the |maximum |allowable |level |of |dissolved |solids |in |the |steam |being
|supplied |to |a |steam |turbine? |- |Answer |.1 |ppm
If |a |boiler |requires |a |second |safety |valve, |the |highest |pressure |setting |on |the
|additional |valve |should |not |exceed |the |MAWP |by |more |than |- |Answer |3%
Steam |is |tapped |off |a |turbine |casing |at |several |pressures |for |aux. |uses |in |the
|production |plant. |the |steam |is |called: |- |Answer |extraction |steam
If |the |tubes |in |a |boiler |are |flared |during |installation, |which |of |the |following |is |true?
-The | ID | is | increased
-The | OD | is | decreased
-The |length |is |decreased
-the |wall |thickness |is |increased |- |Answer |The |ID |is |increased
What |problem |is |caused |by |dirty |condenser |tubes? |- |Answer |inability |to |maintain |a
|normal |vacuum |on |condenser
A |lubrication |with |low |viscosity |is |usually: |- |Answer |adapted |to |high |RPM |use
On |a |bicolor |gauge |glass |water |will |appear | and |steam |will |appear | -
|Answer |green, |red
Name |2 |common |classes |of |steam |turbine |blading: |- |Answer |impulsive |and |reactive
Which |of |the |following |is |NOT |an |advantage |of |operating |a |steam |turbine
|condensing?
-the |condensate |from |the |steam |in |recovered
