Oil burners test 2 - Study guides, Class notes & Summaries

Oil Burners Test 2

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...

What chemical compound is the CAD cell made of? - a. cadmium oxide b. cadmium nitride c. cadmium sulfide d. cadmium bromide Answer-C A permanent split-capacitor motor has a ____. - a. start and run capacitor b. start capacitor only c. run capacitor only d. split phase capacitor Answer-C for replacement or installation, it is good practiced to use the _________ rule to properly size the right tank for that customer. - a. 1/4 b. 1/2 c. 1/8 d. 1/3 Answer-D of up to 2 GPH, what...

Air Heater. - Answer- . An indirect-fired appliance intended to supply heated air for space heating and other purposes, but not intended for permanent installation. Air pressure switch . - Answer- An electrical switch designed to prove that the proper draft has been established by the power venter or burner and allows the burner to operate. If the power venter or burner is not performing so as to satisfy the operating requirements of the equipment for safe performance, the switch will de-ener...

In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - Answer-Increase Atomizing type burners were designed to burn which type of fuel - Answer-Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by - Answer-Reducing the pour point of No. 2 fuel oil by blending it with No. 1 fuel oil. A fuel oil storage tank cannot be installed - Answer-In the furnace room with 5' of heating unit. The primary purpo...

Oil Burners Test 2

What is a general requirement of the location of the installation of a boiler? - ANSWER Adequate clearance from combustile construction What temperature must the materials remain under during combustion? - ANSWER 170 degrees What is a requirement for the access of the boiler? - ANSWER Access for operation and maintenance must not be hazardous What is required upon installation to operate a boiler? - ANSWER Inspection and test resulting in equipment use permit from commissioner How of...

Oil Burners Test 2.

Oil Burner License Exam Questions and Answers, Latest Updated 2024/2025 (Verified Answers) 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.. - Answer- 300-1000 ohms If a pump is used to bring oil to a l...

Where are the return openings located regarding air distribution systems? - Answer-Return air openings are located on inner walls. The minimum temperature of the water used in a hydrostatic test of a boiler cannot be less than what temperature? - Answer-20 degrees Celsius Which of the following are causes of pressure explosions? 1. effects of corrosion 2. weak pilot flame 3. stressed material due to heating too quickly 4. insufficient purge 5. scale and sludge build-up - Answer-1, 3, 5 ...