Power boiler - Study guides, Class notes & Summaries

POWER ENGINEERING TECHNOLOGY (PET YR 1): 4B POWER BOILERS EXAM

What is a boiler Correct Answer a closed metal container (pressure vessel) which water is heated to produce steam or heated water What is steam Correct Answer the vapor that forms when water is heated to its boiling point When did the greatest impact of the use of steam power occur Correct Answer during the industrial revolution 18th and early 19th century Who invented the steam engine and when Correct Answer James Watt of Scotland in 1736 How is steam produced Correct Answer water i...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

CSST EXAM PREP (Notes for the California CSST EXAM) QUESTIONS WITH 100% CORRECT SOLUTIONS. What is Title 8 CCR 5208 and 29 CFR 1910.1001? -Answer-General Industry What is plenum space? -Answer-An enclosed space that is used for airflow. Example: the area above a drop ceiling. What is fibrosis? -Answer-formation of scar tissue in the lungs What is mesothelioma? -Answer-Cancer that arises from the mesothelial cells of the pleura is caused by asbestos fibers What is Asbestosis -Answer-Asbe...

4th Class Power Engineering Unit B3 Boiler Safety Devices.4th Class Power Engineering Unit B3 Boiler Safety Devices.

The Main function of a steam separator in a steam power plant is to correct answer: increase steam quality The MAIN purpose of a dip tube in a low-pressure hot water system is to correct answer: prevent air from entering the main The rating of a unit ventilator is usually determined by a(n) correct answer: anemometer What device is used to record the air-flow-steam-flow relationship of a boiler in a steam plant? correct answer: Steam-flow meter What gas fuel type has the highest ...

What does an Aquastat do? - correct answer 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? - correct answer 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? - correct answer Automatic safety control (normally open). Senses water flow an...

Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour - Answer-A The main advantage of the packaged boiler is its a. small size b. compact design c. low cost D. quality steam - Answer-C Feild erected boilers have outputs of? A 75,000 kg/h B 100,000 kg/h C 100 mg/h D 150,000 kg/h or more - Answer-D Where electric power is used as a heating source, the boiler rating...

KENTUCKY BOILER LATEST ACTUAL EXAM 120 QUESTIONS AND CORRECT DETAILED &VERIFIED ANSWERS Boiler - Correct Answer Closed vessel in which water or other liquid is heated Power Boiler - Correct Answer Steam or vapor is generated <15psig High Pressure / Temperature Water Boiler - Correct Answer Pressures exceed 160 psig or Temp above 250 F Heating Boiler - Correct Answer Steam or vapor boiler operating under 15 psig not to exceed 250 F Portable Boiler - Correct Answer Tem...