Cast iron boilers - Study guides, Class notes & Summaries

I. Types of Boilers 10% of Examination - Answer - High and low pressure fire tube, water tube, cast iron and electric boilers; package boilers II. Basic Principles and Units 12% of Examinatio - Answer - Steam boilers, fittings & accessories, feed water systems, fuel systems, draft systems, steam systems III. Water and Steam Properties 7% of Examination - Answer -Steam action, feedwater & steam accessories, boiler water treatment, steam & water residue IV. Combustion Principles 12%...

The cast-iron sectional boiler is generally used for steam and hot water heating systems in: correct answersSmall and medium-sized buildings, and when classed as Heating Boilers are built to ASME Section 4. Cast-iron boilers are still being used today, from the smallest residential boiler to as high as: correct answers2930 kW units Cast-iron boilers are durable and can be readily: correct answersDisassembled and reassembled. Cast iron boilers can be serviced in: correct answersTight sp...

Q 1. Before testing a low water fuel cut-out what must be done? ~ Answer: The burner must be on. Q 2. Heat can be transferred in how many ways? ~ Answer: Three. Q 3. Aqua stats work by sensing: ~ Answer: Temperature. Q 4. Name the 3 different ways heat can be transferred. ~ Answer: Radiation, Conduction, Convection Q 5. How many types of boilers are there? ~ Answer: Three: Fire tube, Water tube, Cast iron sectional Q 6. ...

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...

What is the minimum pipe size of the gauge glass blowdown line? A. 3/8 inch B. 1/2 inch C. 3/4 inch D. 1 inch - Answer-A. 3/8 inch Only one bottom blowdown valve is required for boilers under A. 100ft^2 of heating surface B. 500 ft^2 of heating surface C. 100 psi MAWP D. 500 psi MAWP - Answer-C. 100 psi MAWP The type of safety valve allowed on boilers is the A. Weight and lever B. Thermostatic relief C. Spring-loaded pop D. All the above - Answer-C. Spring-loaded pop ...

1. How can you lose your license?: Drinking on the job / sleeping on the job / negligence / unsafe work / failing to renew your license annually / signing a falsified licensing application for someone 2. What must you do if you change jobs?: You must notify city hall if you change jobs, change your address or if you retire 3. Why should you do rounds?: You do rounds so that you can find and correct problems to prevent break downs. Keeping permanent records will make it easier to forecast most ...

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 "...

NAPE Engineer study guide for City of Omaha Exam Questions And Answers 1. How can you lose your license?** Drinking on the job, sleeping on the job, negligence, unsafe work, signing a falsified license application, or failing to annually renew your license. 2. What must you do if you change jobs? You must notify city hall of change in address, change of jobs, or retirement. 3. Why should you do rounds?** To get familiar with your equipment and develop logs to prevent breakdowns....

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...