Water tube boiler Study guides, Class notes & Summaries

Ohio Boiler Test Questions and Answers Graded A+ The pressure at the base of a vertical foot of water is 0.433 psi. When performing a hydrostatic test, the pressure on the boiler should be increased to 1 1⁄2 times the safety valve setting . A boiler steam pressure gauge should have a range of 1 1⁄2 to 2 times the safety valve setting: The maximum size of the bottom blowdown line and the surface blowdown line is 2 1/2" During startup, the boiler vent should remain open unt...

Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour A The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam C Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/hD 150,000 kg/h or more D Where electric power is used as a heating source, the boiler rating shall be the maximum kilowat...

Power Engineering Part A Unit 11 Rated A+ Air Heater Transfer heat from the flue gas, or from steam, to the combustion air entering the boiler, to improve combustion efficiency Blowoff Valve Manually operated valve connected to a boiler for the intermittent discharge of boiler sediment, for lowering a boilers water level, or for draining a boiler Blowoff Vessel Vessel that intercepts, cools, and depressurizes boiler blowoff water, on order to protect municipal sewer systems Boi...

3rd class stationary steam engineer license prep questions and answers rated A+ _________ are necessary for complete combustion time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo- generat...

ABSA part B 2024 | 150 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS Which of the following is an example of a loss of latent heat? Steam condenses Water evaporates Ice melts Refrigerant evaporates - Answer A Steam coils with long tube lengths: Are likely to freeze when the incoming air isextremely cold (say -35°C) Have the greatest freezing problems at temperatures approaching €"2°C. Cause overheating and poor set pointtracking during cold weather ...

ABSA 3B1 Practice Questions and Answers with Solutions 100% Correct | updated 2024 (983 Verified Q&A) CHAPTER 1 - Number of questions on exam - 7 Chapter 1 Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour a. 2300 kg to 65000 kg per hour The main advantage of the packaged boiler is its _____ _____. a. small size b. compact design c. low cost d. quality st...

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...

NYC HIGH PRESSURE STEAM EXAM QUESTIONS AND ANSWERS LATEST UPDATED 2024/2025 (GRADED) The maximum blow down for a safety valve on a forced flow steam generator or high temperature water boiler shall be of what percent of the set pressure? - Answer - 10%. HP Code: 14-9.12 3 Who oversees the code for any plumbing installations? - Answer - The NYC Plumbing Code NYC Mech: 1002.1 4 When will anchorage or guides be inspected? - Answer - Annually. NYC Mech: 1210.3.1.2 5 How many brass washout plu...

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...

How do you determine if a boiler has sufficient safety valve capacity - Answer-The accumulation test determines if the valve will discharge all the steam pressure, without allowing the pressure to rise more than 6% more than valve setpoint If a safety valve opens at 100 psi, what pressure should it close at? What requirements governors safety valve blowdowns? - Answer-A: 96-98 psi, with no chatter, with a blowdown of no more than 4 psi of set pressure. A safety valve is limited to how many...