Shut off valve - Study guides, Class notes & Summaries

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 lever is used to slide a pilot seat fully AFT? - H Lever What would you do first if a CC becomes incapacitated? - Make the area safe for the incapacitated CC. If the N1 becomes incapacitated before departure, what is the procedure? - - N2 becomes N1, if qualified. - N3 becomes N2. -N4 remains in position. if the N2 becomes incapacitated during the flight what is the procedure? - - N1 remains in position. - N3 becomes N2. - N4 remains in position. CC incapacitated prior to de...

The minimum blowdown for a spring loaded safety valve shall be of what percent of set pressure? Correct Answer 10% How is the main steam pressure gages tested? Correct Answer With an inspectors gage Who is in charge of the code for any plumbing installations? Correct Answer The nyc plumbing code When will anchorage or guides be inspected? Correct Answer Annually How many brass washout plugs does a miniature boiler have? Correct Answer 3 brass washout plugs, 1" in size How often i...

Z-51 Written Exam Questions and Complete Solutions In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft. - Answer: D) Maintain axial positioning of the rotor shaft. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature is A) partial pressure....

Nyc high pressure boiler license exam with question and answers latest update The minimum blowdown for a spring loaded safety valve shall be of what percent of set pressure? - ANSWER>>10% How is the main steam pressure gages tested? - ANSWER>>With an inspectors gage Who is in charge of the code for any plumbing installations? - ANSWER>>The nyc plumbing code When will anchorage or guides be inspected? - ANSWER>>Annually How many brass washout plugs does a miniature b...

Corrosion Specialist correct answersdesigns and certifies cathodic protection system Secondary containment shall be constructed to contain at least the following volumes: correct answersA. 100% of usable capacity of primary where there is only one primary is within the secondary B. 150% of the largest container if there are multiple primary containers in a single secondary Cathodic protection tester will test cathodic protection system within __ months of installation and every __ years t...

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...

Backflow Prevention Assembly Tester Exam V2 (Latest 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: When testing a SVB what is the firsrt test being performed (A) The air inlet opening point (B) The static pressure across the check valve (C) To verify the #2shut off hold tight (D) To check if the SVB hold water Answer: The static pressure across the check valve Q: When testing a PVB the air inlet opens upon closing the #1 shut off valve What is the...

Sprinkler system must NOT be shut off or impaired while hot work is performed - Answer-Place damp cloth guards on individual sprinkler heads The person conducting the fire watch ______ have other duties - Answer-CANNOT A portable fire extinguisher with a rating of _________ is required and should be within ____ feet travel distance hot work area - Answer-2-A:20-B:C///30 For ROOFING OPERATIONS, a portable fire extinguisher with a minimum rating of ______ is required - Answer-3-A:40-B:C Fir...

HVAC Gas Heat Certification Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: A technician wraps a thermostat wire ten times around his clamp-on ammeter and measures 5.5 amps between R and W terminals on the thermostat sub-base. He should set the heat anticipator to Answer: 5.5 Question: A gas valve with 100% shut-off means Answer: Gas to a pilot and manifold is shut-off Question: A gas furnace has an electronic control...