Stationary engineer Study guides, Class notes & Summaries

What is a return tubular boiler? correct answer: A return tubular boiler - the products of combusting passing through the tubes while the water surrounds the tubes. What is a water tube boiler? correct answer: A water tube boiler - water inside the tubes while the production of combustion passes around the tubes. How is the head of a B&W boiler stayed? correct answer: There are no stays Why are the tubes on a Sterling Boiler bent? correct answer: So they can enter the drum radially....

_________ are necessary for complete combustion correct answer: time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answer: 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 correct answer: 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator correct answer: steam turbine a b...

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...

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 2.5) + (Mg x 4.1)nTH=(60 x 2.5) + (18 x 4.1)nTH= 150+73.8 =...

Ohio stationary steam engineer Exam 2023...

MD STATIONARY ENGINEER EXAM QUESTIONS AND ANSWERS GRADED A+

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answer: current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct answer: True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage wil...

3rd class stationary steam engineer license prep exam 2024 with complete solution are necessary for complete combustion Answer<>time, temperature, mixture, and atomization

STATIONARY ENGINEER LOCAL 99 EXAM WITH QUESTIONS AND ANSWERS...