DC .3rd .Class .Test
1. The .component .in .which evaporator
.liquid .vapor .by .absorbing
.heat .is .called?
2. the .best .answer .for .an .elec- . Metal .stake .drive .8 .foot .into .the .ground.
trical .grounding .method?
3. A. valve .should .be .used . Globe
for . throttling . purposes?
4. What .is .the .acceptable 30-70
.range .for .residual .sodium
.sulfite .in .the .boiler .main-
.tain?
5. What .is .the .BTU .content .of 146,000
.a .gallon .of .#4 .fuel .oil?
6. What .does .a .zeolite .water brine
.softener .system .use .as .a
.means .of .regeneration?
7. What .are .the .4 .steps .for .a Backwash, .Brine, .Rinse, .Service
.Zeolite .Rejuvenation
.water .softener .process?
8. Where .medium .tempera- Condenser
.ture .liquid .found?
9. Where .is .high .temperature At .the .discharge .of .the .compressor .or .condenser
.vapor .found?
10. Diagonal .Stays
, DC .3rd .Class .Test
What .stays .are .used .to .sup-
.port .the .burner .chamber .in
.a .scotch .marine .boiler?
11. What .type .of .safety .valve .is ( .Full) .Crosby .nozzle-type .safety .valve. .Page .365 .BOG
.this?
12. Where .do .you .get .super- Take .suction .line .pressure
.heat .reading?
13. Name .the .wire .that .con- Grounding .electrode .conductor
.nects .all .component .of .a
.system .to .a .physical .ground
.or .water .pipe?
14. Where .do .you .get .sub-cool- . Take .liquid .line.pressure
ing .reading? Cross .reference .to .temperature .using .a .P/T .Chart
.Get .liquid .line .temperature
Subtract .actual .temperature .from .cross .referenced .temperature
.Result .is .Sub .cooling
15. On .the .boilers .that .have closest .to .the .boiler .and .followed .by .the .screw-type .valve
.both .Quick .opening .and
.Screw .type .blow .down
.valves, .the .Quick .opening
.valve .must .be .located?
16. High .pressure .boilers By .opening .the .Quick .opening .valve .first .and .closing .it .Last.
.equipped .with .Quick .open-
.ing .and .Screw .type .valves
.are .blown .down .how?
17.
, DC .3rd .Class .Test
ASME .Code .defines .a .slow One .requiring .at .least .5 .full .360 .degree .turns .between .full .open
.opening .valve .as .what? .and .close .position.
18. A .300 .Horsepower .boiler Water .In .= .Water .Out
.operating .at .100psi .has Makeup .+ .Condensate .Return .= .Evaporator .+ .Blow .Down
.an .average .load .of .75%
.with
80% .condensate .return .and . Average .Evaporator .Rate .= .300 .x .34.5 .pph .x ..75% .load .= .7762, .50
5% .blow .down. .The .treat- pph
.ment .provides .a .chemical
1 .Month .+ ..8( .7762.50 .pph) .= .7762.50 .pph .+ .0500 .m
.which .costs .$8.75 .per .gal-
.lon, .and .will .treat .600 .gal-
1 .Month .+ .6210 .pph .= .7762.50 .pph .+ ..0500 .m
.lon. .Find .the .amount .of .the
-6210 .-6210
.chemical .needed .for .the
1 .Month .= .1552.5 .pph .+ ..0500
.day .period, .and .the .cost .of
.the .chemical .for .a .30 .days
.9500 .m .= .1552.5 .pph
.period?
.9500m ..9500
1Month .= .1,634.21 .pph
Gallons .per .Month .= .1634.21 ./ .8.33 .x .24 .x .30 .= .141, .252.24 .gallons
.per .month
Chemical .needed .= .141,252.24 .gallon ./ .600 .gallon .= .235, .40
.gallon
Cost .per .month .= .235, .40 .gallon .x .8.75 .= .$2,059.75
19. During .a .24 .hours .opera- once .per .shift
.
.tion .how .often .should .you
.check .the .water .level?
20. How . often . do . you . check . the . Annually
high . limit . switch?
, DC .3rd .Class .Test
21. What .is .the .recommended once .per .shift
.time .for .a .complete .exter-
.nal .inspection .of .a .boiler?
22. What .is .the .first .thing .to .do .To.turn.ott.the.fire
when .shutting .down .a .boil-
.er?
23. A .flow .control .should .be once .per .shift
.blown .down .when?
24. How .often .should .you once .per .shift
.check .the .Low .Water .Fuel
.Cut .off?
25. Why .is .oil .added .to .the .re- lubrication .of .the .compressor
.frigerant? .Keep .refrigerant .migrating
26. Recycled .and .filtered .refrig- . By .the .same .owner .in .the .same .type .of .equipment
erant .can .be .used .where?
27. Data .printed .on .the .equip- Stamp .of .approval .from .commissioning .authority
.ment .nameplate .would .in-
.clude .manufacturer, .mod-
.el, .and .serial .number
and ?
28. How .many .BTU's .does .it 1 .BTU
.take .to .raise .10 .lbs .of .steam
.from .40 .to .41 .degrees?
29. When .working .on .a .boil- For .every .shift
.er, .permits .should .be
.re- .quired?
1. The .component .in .which evaporator
.liquid .vapor .by .absorbing
.heat .is .called?
2. the .best .answer .for .an .elec- . Metal .stake .drive .8 .foot .into .the .ground.
trical .grounding .method?
3. A. valve .should .be .used . Globe
for . throttling . purposes?
4. What .is .the .acceptable 30-70
.range .for .residual .sodium
.sulfite .in .the .boiler .main-
.tain?
5. What .is .the .BTU .content .of 146,000
.a .gallon .of .#4 .fuel .oil?
6. What .does .a .zeolite .water brine
.softener .system .use .as .a
.means .of .regeneration?
7. What .are .the .4 .steps .for .a Backwash, .Brine, .Rinse, .Service
.Zeolite .Rejuvenation
.water .softener .process?
8. Where .medium .tempera- Condenser
.ture .liquid .found?
9. Where .is .high .temperature At .the .discharge .of .the .compressor .or .condenser
.vapor .found?
10. Diagonal .Stays
, DC .3rd .Class .Test
What .stays .are .used .to .sup-
.port .the .burner .chamber .in
.a .scotch .marine .boiler?
11. What .type .of .safety .valve .is ( .Full) .Crosby .nozzle-type .safety .valve. .Page .365 .BOG
.this?
12. Where .do .you .get .super- Take .suction .line .pressure
.heat .reading?
13. Name .the .wire .that .con- Grounding .electrode .conductor
.nects .all .component .of .a
.system .to .a .physical .ground
.or .water .pipe?
14. Where .do .you .get .sub-cool- . Take .liquid .line.pressure
ing .reading? Cross .reference .to .temperature .using .a .P/T .Chart
.Get .liquid .line .temperature
Subtract .actual .temperature .from .cross .referenced .temperature
.Result .is .Sub .cooling
15. On .the .boilers .that .have closest .to .the .boiler .and .followed .by .the .screw-type .valve
.both .Quick .opening .and
.Screw .type .blow .down
.valves, .the .Quick .opening
.valve .must .be .located?
16. High .pressure .boilers By .opening .the .Quick .opening .valve .first .and .closing .it .Last.
.equipped .with .Quick .open-
.ing .and .Screw .type .valves
.are .blown .down .how?
17.
, DC .3rd .Class .Test
ASME .Code .defines .a .slow One .requiring .at .least .5 .full .360 .degree .turns .between .full .open
.opening .valve .as .what? .and .close .position.
18. A .300 .Horsepower .boiler Water .In .= .Water .Out
.operating .at .100psi .has Makeup .+ .Condensate .Return .= .Evaporator .+ .Blow .Down
.an .average .load .of .75%
.with
80% .condensate .return .and . Average .Evaporator .Rate .= .300 .x .34.5 .pph .x ..75% .load .= .7762, .50
5% .blow .down. .The .treat- pph
.ment .provides .a .chemical
1 .Month .+ ..8( .7762.50 .pph) .= .7762.50 .pph .+ .0500 .m
.which .costs .$8.75 .per .gal-
.lon, .and .will .treat .600 .gal-
1 .Month .+ .6210 .pph .= .7762.50 .pph .+ ..0500 .m
.lon. .Find .the .amount .of .the
-6210 .-6210
.chemical .needed .for .the
1 .Month .= .1552.5 .pph .+ ..0500
.day .period, .and .the .cost .of
.the .chemical .for .a .30 .days
.9500 .m .= .1552.5 .pph
.period?
.9500m ..9500
1Month .= .1,634.21 .pph
Gallons .per .Month .= .1634.21 ./ .8.33 .x .24 .x .30 .= .141, .252.24 .gallons
.per .month
Chemical .needed .= .141,252.24 .gallon ./ .600 .gallon .= .235, .40
.gallon
Cost .per .month .= .235, .40 .gallon .x .8.75 .= .$2,059.75
19. During .a .24 .hours .opera- once .per .shift
.
.tion .how .often .should .you
.check .the .water .level?
20. How . often . do . you . check . the . Annually
high . limit . switch?
, DC .3rd .Class .Test
21. What .is .the .recommended once .per .shift
.time .for .a .complete .exter-
.nal .inspection .of .a .boiler?
22. What .is .the .first .thing .to .do .To.turn.ott.the.fire
when .shutting .down .a .boil-
.er?
23. A .flow .control .should .be once .per .shift
.blown .down .when?
24. How .often .should .you once .per .shift
.check .the .Low .Water .Fuel
.Cut .off?
25. Why .is .oil .added .to .the .re- lubrication .of .the .compressor
.frigerant? .Keep .refrigerant .migrating
26. Recycled .and .filtered .refrig- . By .the .same .owner .in .the .same .type .of .equipment
erant .can .be .used .where?
27. Data .printed .on .the .equip- Stamp .of .approval .from .commissioning .authority
.ment .nameplate .would .in-
.clude .manufacturer, .mod-
.el, .and .serial .number
and ?
28. How .many .BTU's .does .it 1 .BTU
.take .to .raise .10 .lbs .of .steam
.from .40 .to .41 .degrees?
29. When .working .on .a .boil- For .every .shift
.er, .permits .should .be
.re- .quired?
