High pressure boilers - Study guides, Class notes & Summaries

A low pressure boiler operates at a pressure of not more than __________ psi CORRECT ANSWER-- 15 If a boiler operates at 100 hp, how much steam production is that equal to? CORRECT ANSWER-- 3450 lb/hr 34.5 x 100 As steam pressure increases, there is a corresponding increase in __________ CORRECT ANSWER-- temperature At what temperature does water boil and turn into steam? CORRECT ANSWER-- 212 F Combustion efficiency is the ratio of heat absorbed by boiler output to the heat availab...

2024 update DC Third testing Questions and Answers 100% Pass The component in which liquid vapor by absorbing heat is called? - Correct Answer ️️ - Evaporator Select the best answer electrical grounding method? - Correct Answer ️️ -Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? - Correct Answer ️️ -Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? - Correct Answer ️️ -30-70 What is the B...

ASME requires low pressure Steam boiler to be pressure tested how often - CORRECT ANSWER Annually Which of these should be used on a electrical fire - CORRECT ANSWER Class C On a low pressure boiler how often should you check the safety valve - CORRECT ANSWER 10 days What is the purpose of the lower part of the water column - CORRECT ANSWER Collects settlements in foreign material If certain grade of fuel are not preheated properly they may cause - CORRECT ANSW...

High Pressure Boiler License Practical questions and Answers 100% Correct What type of Boiler is It - CORRECT ANSWER-scotch Marine, dry back, horizontal tube, 3-pass How do you know that it is a fire tube - CORRECT ANSWER-no drums how many passes - CORRECT ANSWER-3 how do you know its 3-pass - CORRECT ANSWER-breaching is in the rear when you first come on watch what do you do. - CORRECT ANSWER-check water level,blow down water column, gauge glass and low water cut off, reset lwco,chec...

How many BTUs in 1 boiler horsepower CORRECT ANSWER-33475 btus ________ prevents the tube end from being overheated and being burnt off CORRECT ANSWER-Beading How many pounds of steam in 1 boiler horsepower ? CORRECT ANSWER-34.5 pounds of steam A stay that is shorter than 8" and threaded is required to have a ? CORRECT ANSWER-Telltale hole A through stay differs from a diagonal stay in that it runs the ——— ———- of the boiler CORRECT ANSWER-Entire length All boiler hea...

Nyc high pressure boiler license questions with 100% correct answers.

Nyc high pressure boiler license exam

What type of Boiler is It - CORRECT ANSWER scotch Marine, dry back, horizontal tube, 3-pass How do you know that it is a fire tube - CORRECT ANSWER no drums how many passes - CORRECT ANSWER 3 how do you know its 3-pass - CORRECT ANSWER breaching is in the rear when you first come on watch what do you do. - CORRECT ANSWER check water level,blow down water column, gauge glass and low water cut off, reset lwco,check log book which would you blow down fir...

High Pressure Boiler Practical questions and Correct Answers 2024.

Operating voltage for an electrode boiler may be as high as: CORRECT ANSWER-B) 16 000 volts, 30 000 kW A firetube boiler is one which has: CORRECT ANSWER-D) water on the outside of the tubes and the hot gas on the inside of the tubes. The firebox boiler is a _________ pass firetube boiler. CORRECT ANSWER-B) two pass horizontal A device which usually uses air or steam to do its job is the CORRECT ANSWER-D) sootblower Tube stubs welded to drums and headers, which are used for connectin...