Cast iron boilers - Study guides, Class notes & Summaries

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...

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 ...

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 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 "...

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...

Home Inspection Course National Preparation Exam Q&A 2024 The main difference between a laundry tub pump and a sump pump is (a) laundry tub pumps can handle lint (b) sump pumps are laundry capacity (c) laundry tub pumps operate on 120 volt, and sump pumps operate only on 240v power (d) sump pumps are manual, and laundry tub pumps are automatic - CORRECT ANSWER-(a) laundry tub pumps can handle lint All of the following are common HRV problems except (a) missing filters (b) dirty h...

Grade 3 Engineering Omaha exam prep by NAPE Questions and Answers Already Passed #1 How can you loose your license? drinking on the job, sleeping on the job, negligence unsafe work, signing a falsified license application for someone, failing to renew your license annually #2 What must you do if you change jobs? Notify city hall if you change jobs, address or retire #3 Why should you do rounds? Find and correct problems to prevent breakdowns. Keeping permanent records will make ...

Which of the following is NOT an advantage of an electric boiler over other boilers? Select one: a. More efficient b. Does not need water treatment c. Very compact d. Quiet operation - ANSWER b. Does not need water treatment Why does an electrode boiler not need a low water cut-off? Select one: a. The current flow stops if the water level drops below the electrodes b. The current in the electrodes ensures the water level is high enough c. There is no possibility of low water leve...