Fire tube boiler - Study guides, Class notes & Summaries

Stationary Engineer License Exam Prep with Complete Solutions A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage of 220 volts. A. 100 B. 150 C. 175 D. 200 A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? A. 144 B. 180 C. 970 D. 1190 C. 970 BTU 3 multiple choice options Radiation is: A. the movement of liquids or gases created by a tem...

Stationary Engineer Exam - Questions and Answers (Complete Solutions) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? 7 feet On a gas fired boiler what is the proper gas to air mixture 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? TH= (Ca x 2....

MN Boiler License Exam Questions and Answers, Latest Update 2024/2025. what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's - answerc) turbulence, temperature, time 3T's why is secondary air necessary in hand fired boilers? a) Necessary to burn the combustible gases b) if primary air should fail c) used only if sulfur content is high - answera) Necessary to burn the combustible gases when p...

How Can you lose your license? - Answer-Drinking on the job, sleeping, negligence, unsafe work, failing to renew license, signing a falsified licensing application. What must you do if you change jobs? - Answer-You must notify City Hall if you change jobs, change address or retire Why should you do rounds? - Answer-To find and correct problems, prevent breakdowns, keeping permanent records will make it easier to forecast most breakdowns because you will get to know your equipment. What is...

3rd Class Stationary Steam Engineer License Prep - Complete Solutions (Answered) __________ steam turbines allow condensate to be reclaimed for use in the system Condensing With water at a temperature of 212°f, 1 bhp is equivalent to the evaporation of 34.5 lb of water every ________ hour(s) 1 In a closed feedwater heater, the _________ Steam and water do not mix Sensible heat is heat that ______ changes the temperature of a substance but not its state When performing a hydrostatic test on a ...

Stationary Engineer Exam Questions and Answers Latest 2024/2025 (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hard...

4 A ABSA Questions Correctly Answered To Score A+!! where do we use stays on a fire-tube boiler? A) at the top of the boiler b)outside of the boiler to mounting brackets c) in the steam space of the boiler d)between the tubes C vanstone flange held in place? A)screwed fittings B)loosely C) threaded d)star pattern B effiency of electrostatic precipitator? a) 84% b)92.9% c)98.9% d)99.9% D what is aluminum made from? 1)pig iron 2)aluxes 3)bauxite 4)copper 3 ...

Stationary Engineer Exam Questions and Answers Latest (GRADED A+) How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - Answer 7 feet On a gas fired boiler what is the proper gas to air mixture - Answer 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 1...

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...

G2 Questions and Answers with Verified Solutions What is the min. diameter for a leak test gauge? 3" Amp meter can read? Conductor magnetic field. What would the primary voltage to the furnace be? 120/1/60 What is the function of the intermittent pilot? Stays on during the main burner operation. What is the millivolt power output of a closed circuit thermocouple? 10 - 15 mv dc A pilot with a lazy yellow flame indicates? Orifice is too large. For flame rectification the most important part...