Type of firetube - Study guides, Class notes & Summaries

Ohio boiler licensing exam questions with complete answers Which type of heat transfer takes place by actual physical contact, from molecule to molecule, without displacing the molecules? Conduction When designing a boiler, special consideration must be given to heat transmision by? Radiation, conduction, and convection What parts make up the heating surface in a scotch marine firetube boiler? The flue and the tubes Which type of boiler is the most econimical to build? Firetube...

Which type of heat transfer takes place by actual physical contact, from molecule to molecule, without displacing the molecules? - correct answer Conduction When designing a boiler, special consideration must be given to heat transmision by? - correct answer Radiation, conduction, and convection What parts make up the heating surface in a scotch marine firetube boiler? - correct answer The flue and the tubes Which type of boiler is the most econimical to build? - correct answer Firetube...

4th Class Power Engineering Unit A11: Introduction to Boiler Designs Already Passed This type of boiler is more tolerant of Class 1 water treatment, because they are more resistant to corrosion: Select one: a. coil type b. fire tube c. cast iron d. water tube c One disadvantage of a firetube boiler is: Select one: a. higher maintenance costs than watertube boilers b. slow response to load changes c. require very high quality feedwater d. slow to bring up to operating pre...

4A Unit 11 Questions and Answers Rated A+ (4-055-8.1) In a bottom-supported boiler, the steam drum is usually: Select one: a. Placed between the centre line of the unit b. Supported by piers c. Supported by the water tubes d. Supported by an overhead girder arrangement c. Supported by the water tubes (4-054-1.16) The electrode type boiler: Select one: a. Requires water that conducts electricity b. Utilizes bundles of electric elements c. Must operate at very constant pressu...

Power Engineering 4th Class - Unit A11 Questions and Answers 100% Pass (4-051-2.4) An early shell-type boiler had ___________ as its heating surface: Select one: a. Only the lower part of the shell b. The lower part of the shell and the rear plate or head c. The total shell side and one end plate or head d. Two passes along the shell or drum a (4-052-3.3) An advantage of a vertical tubeless firetube boiler is that it requires: Select one: a. Relatively small floor space b. No fu...

4th Class Power Engineering Unit A11: Introduction to Boiler Designs This type of boiler is more tolerant of Class 1 water treatment, because they are more resistant to corrosion: Select one: a. coil type b. fire tube c. cast iron d. water tube - ANS c One disadvantage of a firetube boiler is: Select one: a. higher maintenance costs than watertube boilers b. slow response to load changes c. require very high quality feedwater d. slow to bring up to operating pressure and temper...

Power engineering 5th class Questions and Answers: Tie Rods Cast-iron sectional boilers have flue gas passages which - ANS Increase heat transfer Steel plate heating boilers have thin steel installed in the - ANS Firetubes to give the gases a swirling motion The vertical firetube boiler has a cylindrical shell with tubes connected between the - ANS Upper and lower tube sheets Vertical firetube boilers have an advantage when___________ is limited. - ANS Floor space The "...

MN Boiler Exam Latest Questions & Answers. Cast Iron Sectional Boiler Like Bread, sections in between are intermediate. Held together with push nipples and stay bolts. No special foundation required Expandable (can add more centers to increase heating capacity) Boiler trim mounted on end sections Disadvantage: Always low pressure Advantage: corrosion resistant Firetube boiler used for heating and process Gas/heat of combustion on one side and water on outside. Horizontal Return Tub...

upStationary Grade 3 Engineering License Exam - Q & A , Complete Solutions How can you lose your license? 1) drinking on the job 2) sleeping on the job 3) negligence 4) unsafe work 5) signing a falsified license application for someone 6) failing to renew your license annually What must you do if you change jobs? notify city hall if you change jobs, address or retire Why should you do rounds? Find and correct problems to prevent breakdowns. Keeping permanent records will make it easy to foreca...

What must be located outside a Class T machinery room? Select one: a. Spare flashlights b. Disposable coveralls c. Machinery shut off switch d. Light switches - Answer-c Degradation of heat transfer fluid of a hot oil system will begin to occur if: Select one: a. The oil filter is not serviced regularly b. The oil temperature is above a specified range, for an extended period of time c. The oil is allowed to churn in the circulating pump d. The oil becomes too viscous - Answer-b Dry ...