What does an aquastat do Study guides, Class notes & Summaries

Oil burner's Test Questions 1-200 ( Answered ) Oil burner's test questions 1-200 In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - ANS Increase Atomizing type burners were designed to burn which type of fuel - ANS Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by - ANS Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil. A fuel oil storage tank ...

MN Special Boilers License Preparation Test Latest Special (License Grade) - Work in any type of plant Grade C (License Grade) - Can operate low-pressure steam or hot water (no steam engines/turbines) Grade B (License Grade) - Can operate high-pressure or low-pressure steam or hot water (no steam engines/turbines) Grade A (License Grade) - Can operate any plant including plants with steam engines/turbines Special (License Class) - Take Charge (max 50 hpr) Shift Engineer (max 100 ...

What does an Aquastat do? Its an automatic operating switch (normally open). Sense water temperature of a boiler and closes when temperature drops. What does a low water cut off do? Automatic safety control (normally closed). Senses water level in the boiler. If level drops the switch opens and shuts off the gas valve. in series with gas valve.,What does a water flow switch do? Automatic safety control (normally open). Senses water flow and switch closes

Boiler License Test Questions with Correct Answers Natural draft is produced by? - Answer-difference in temperature outside chimney from inside chimney If a draft fan is located between the boiler and chimney, what type of draft system is it? - Answer-Induced draft boiler fittings are important for: - Answer-safety only thermostatic traps remove air and cool condensate: true or false - Answer-True The main purpose of testing a safety value is to: - Answer-make sure valve operates fr...

Minnesota Special Engineer Boiler License Practice Exam Questions and Answers 100% Pass For the purpose of rating boiler horsepower for an Engineers License only, how many square feet of boiler surface shall be equivalent to one boiler horsepower on a boiler? 10 Sq. Ft. Heating Surface What is meant by the term "Low Pressure Boiler"? Boilers operating at a steam or other vapor pressure of 15psig or less, or a hot water or other liquid boiler in which the pressure does not exceed 160 psig or ...

Special Engineers Exam Questions and Answers Already Graded A For the purpose of rating boiler horsepower for an engineers licence only, how many square feet of boiler surface shall be equivalent to one boiler horsepower on a boiler? 10 sq. Ft. heating surface what is meant by the term low pressure boiler? boilers operating at a steam or other vapor pressure of 15 psig. or less or a hot water or other liquid boiler in which the pressure does not exceed160 psig or a temperature of 250 degrees F...

QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

NORA Oil Heat Exam Review Questions + Answers Rated 100% Correct!! What is the final adjustment you make when tuning up an oil burner? A)Draft B) Change Nozzle C)Oil Pressure D)Combustion Air D)Combustion Air What is the effect of having a dirty burner squirrel cage fan? A)Water Hammer B)Incomplete combustion C)Low Co2 D)Blocked Chimney B)Incomplete Combustion New burners produce "high static pressure" A)Produce more spark B)Push flue gases through tighter boilers C) Get bett...

What is the voltage found at the TT terminals - ANS 24 volts What are the 8 steps of a no heat call - ANS 1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on six check to make sure that tank shut off valve is open 7 know whether the tank is located above or below the burner I know the type and style of the system that is being used on a one or two pipe system ...