Fire tube boiler - Study guides, Class notes & Summaries

Boilermaker NCCR Test Questions And Answers Boilermaker NCCR Test 1 ft 3-3/4 in + 2 ft 1-1/16 in +5 ft 10- 7/8 in = - ANS 9 ft 3-11/16 in A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 PSI? - ANS Acetylene is unstable above this pressure A big control valve is pulled who is responsible for the rigging? - ANS Crane operator and rigger A boiler maker must have all of the following wh...

MN Boiler License Questions With Complete Solutions Graded A+ a question an answer what are the conditions necessary for good combustion? a) low sulfur content b) Thermal, thermocoupler, tubular c) turbulence, temperature, time 3T's c) 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 a) Necessary to burn the combustible gases when ...

Lost motion in a duplex direct acting boiler feed pump: a. Is necessary b. Should be avoided c. Is due to wear on the tappets and callas. - ANSWER a. Is necessary A scotch marine boiler is: a. Horizontal fire tube boiler b. Vertical fire tube boiler c. Water tube boiler - ANSWER a. Horizontal fire tube boiler Lead is the amount the valve is open when the: a. Crank is on dead center b. Valve is midway on its stroke c. Eccentric is exactly 90 degrees ahead of the crank - ANSWER a. C...

What is the pressure at the base of a vertical foot of water? CORRECT ANSWER 0.433 psi How much should the boiler pressure increase when performing a hydrostatic test? CORRECT ANSWER 1.5 times the safety valve setting The range of a boiler steam pressure gauge. CORRECT ANSWER 1.5 to 2 times the safety valve setting Fuel oil heaters must be used when burning what? CORRECT ANSWER No. 6 fuel oil What is the maximum allowable working pressure of a low pressure steam boiler? (MAWP) CORREC...

Quiz #1 What physical changes will occur to the steam within a boiler that has been properly bottled up when additional heat is applied? A) The steam pressure and it specific volume will remain constant. B) The pressure will increase and the volume will remain constant. C) The pressure will remain constant and the specific volume will increase. D) The pressure will increase and the specific volume will decrease. D Quiz #1 A natural circulation water-tube boiler, with one or more water dr...

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. ...

4 A ABSA Questions with Complete Solutions Latest Updated 2024/2025 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 - Correct Answer C vanstone flange held in place? A)screwed fittings B)loosely C) threaded d)star pattern - Correct Answer B effiency of electrostatic precipitator? a) 84% b)92.9% c)98.9% d)99.9% - Correct Answer D what is aluminum made...

NAPE Third Grade Engineering Review Test Questions with Verified Solutions How Can you lose your license? 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? You must notify City Hall if you change jobs, change address or retire Why should you do rounds? To find and correct problems, prevent breakdowns, keeping permanent records will make it easier to forecast most breakdown...

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 ...

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...