1. Packaged./watertube./boilers./capacities./range./from?:./2300./kg./to./65000./kg./per./hour
2. The. / main. / advantage. / of. / the. / packaged. / boiler. / is. / its. / .:./low./cost
3. Field./erected./boilers./have./outputs./of?:./150000./kg/h./or./more
4. True./or./false../One./square./metre./of./heating./surface./equals./10./kilowatts../The./he
ating./surface./of./a./boiler./must./be./determined./by./computing./the./area./of./the./surfac
e. / involved. / in. / square. / metres. / and. / where. / a. / computation. / is. / to. / be. / made. / of./a. /
curved. / surface;. / the. / surface. / having. / the. / greater. / radius. / shall. / be. / taken.:. / True
5. Where./electric./power./is./used./as./the./heating./source,./the./boiler./rating./shall./
be./the./maximum./kilowatt./rating./of./the./ . / . / . / .:./heating./element
6. True./or./false../Where./the./boiler./provides./the./entire./steam./supply./to./an./electric./g
enerating./unit,./the./output./of./the./boiler./is./expressed./in./terms./of./power./output. / of.
/ the./generator./(for./example./a./300./megawatt./boiler).:./True
7. The./downcomers./are./located./in./the./
regions./of./the./boiler,./or./external./to./the./furnace./altogether../The./risers./are.
/ located./in./the./
zones./of./the./boiler,./being./exposed./to./radiant./heat./of./the./furnace./or./to./the./v
ery./hot./flue./gases./near./the./furnace.:./cooler,./hottest
8. True. / or. / false.. / Most. / downcomers. / run. / horizontally. / between. / the. / steam. / dru
m. / and./the./mud./drum.:./False
9. The./steam./separating./equipment./separates./the./ from./the./steam/wa-
ter./mixture.:./steam
10. Steam./Drum./Height:./Distance./from./steam./drum./to./bottom./drum./attects./circulation.
11. Heat./Application:./Higher./tube./temperatures./increase./steam./bubble./formation.
2. The. / main. / advantage. / of. / the. / packaged. / boiler. / is. / its. / .:./low./cost
3. Field./erected./boilers./have./outputs./of?:./150000./kg/h./or./more
4. True./or./false../One./square./metre./of./heating./surface./equals./10./kilowatts../The./he
ating./surface./of./a./boiler./must./be./determined./by./computing./the./area./of./the./surfac
e. / involved. / in. / square. / metres. / and. / where. / a. / computation. / is. / to. / be. / made. / of./a. /
curved. / surface;. / the. / surface. / having. / the. / greater. / radius. / shall. / be. / taken.:. / True
5. Where./electric./power./is./used./as./the./heating./source,./the./boiler./rating./shall./
be./the./maximum./kilowatt./rating./of./the./ . / . / . / .:./heating./element
6. True./or./false../Where./the./boiler./provides./the./entire./steam./supply./to./an./electric./g
enerating./unit,./the./output./of./the./boiler./is./expressed./in./terms./of./power./output. / of.
/ the./generator./(for./example./a./300./megawatt./boiler).:./True
7. The./downcomers./are./located./in./the./
regions./of./the./boiler,./or./external./to./the./furnace./altogether../The./risers./are.
/ located./in./the./
zones./of./the./boiler,./being./exposed./to./radiant./heat./of./the./furnace./or./to./the./v
ery./hot./flue./gases./near./the./furnace.:./cooler,./hottest
8. True. / or. / false.. / Most. / downcomers. / run. / horizontally. / between. / the. / steam. / dru
m. / and./the./mud./drum.:./False
9. The./steam./separating./equipment./separates./the./ from./the./steam/wa-
ter./mixture.:./steam
10. Steam./Drum./Height:./Distance./from./steam./drum./to./bottom./drum./attects./circulation.
11. Heat./Application:./Higher./tube./temperatures./increase./steam./bubble./formation.
