Nyc high pressure boiler license Exam Latest Update 380 Questions and Correct Answers Guaranteed Success ________ is the term used with a wet absorber nozzle in relation to an incinerator? - Correct Answer: : slurry
(TS x t x E) / (R x FS)
TS = - Correct Answer: : tensile strength of shell plates
(TS x t x E) / (R x FS) E = - Correct Answer: : efficiency of longitudinal joint
(TS x t x E) / (R x FS) FS = - Correct Answer: : factor of safety allowed by this subpart
(TS x t x E) / (R x FS) R = - Correct Answer: : inside radius of weakest course of shell or drum
(TS x t x E) / (R x FS) t = - Correct Answer: : thickness of shell plate
- pound of water increases by ____ Xs when turned into steam. - Correct Answer: :
the volume of steam is over 1600 times more than the volume of water
1cfm for every ___btu's in accordance with forced combustion air - Correct Answer: : 2400 btu's
5/16" tube thickness w/ no bevel or recess should extend how far past tube sheet? - Correct Answer: : 3/8", 5/16", 1/2" (code says at least same as pipe thickness)
800 psi safety valve, at what pressure does it lift? - Correct Answer: : 824 psi (3%)
a boiler operates at 100 psig, how many fusible plugs are there? - Correct Answer: : 1 fusible plug (over 50 sq ft)
a boiler operates at 300 psi, it is tested once ___? - Correct Answer: : once a month and pressure tested annually
a boiler operating at 100 psi mawp, how are pipes joined together? - Correct Answer: : flanged or welded
a combustion regulator prevents water from rising above ___*F or a steam pressure of ___ in relation to LPB. - Correct Answer: : 250*F or a steam pressure of 15 psig 1 / 3
a fuel regulating governor is controlled by? - Correct Answer: : steam pressure
A heater for either liquid fuels or other liquids harmful to the boiler shall not be installed? - Correct Answer: : Directly in the steam or water space within the boiler
a low pressure boiler needs inspection if it occupies more than ___ families? - Correct Answer: : 6
a LP hot water boiler is considered low pressure below? - Correct Answer: : 160 psig
@ 250*F
a miniature boiler has less than ____ MAWP. - Correct Answer: : less than 100 MAWP (PSI)
a miniature boiler has up to __ cubic feet of gross volume. - Correct Answer: : 5 cubic feet of gross volume
a miniature boiler has up to __ sq ft of heating surface. - Correct Answer: : 20 sq ft of heating surface
a miniature boiler has up to __" of ID of shell? - Correct Answer: : 16" inner diameter
A non return type steam trap discharges directly to the? - Correct Answer: : Receiver or heater
a safety valve over 3" and over 15 psig shall have what type of inlet connection? - Correct Answer: : flanged or welded
After an inspectors notice is given to the owner where is it posted? - Correct Answer: : On or close to the boiler
After an inspectors notice is given to the owner where is it posted? - Correct Answer: : On or close to the boiler
After welded repairs or alterations of the equipment, what shall retain a copy of the report? - Correct Answer: : The owner
all boiler fittings are what standard? - Correct Answer: : ASME
all miniature boiler openings in the boiler shall be (construction) _____ or _____ reinforcement? how many threads? - Correct Answer: : mechanical construction with a minimum 4 threads or welded
all piping over 2" shall be ___ welded or ___? - Correct Answer: : socket welded or flanged 2 / 3
all piping over 2" shall be ___ welded? - Correct Answer: : butt welded
Any boiler changing location within the state may be reinstalled; an application for permission to install a second boiler is filled with whom? - Correct Answer: : Commissioner
any mouth protector on a boiler shall be locked or sealed ____, what type? - Correct Answer: : locked or sealed open, of the straight way type
any valve used as a shut off to a water column shall be sealed ____ and ____. - Correct Answer: : sealed open and locked
At what percent do you hydrostatically test a boiler? - Correct Answer: : 150%
At what percent do you hydrostatically test a boiler? - Correct Answer: : 150%
at what pressure is a fusible plug NOT needed? - Correct Answer: : under 200 psi
At what pressure is it requires to have extra heavy valves installed? - Correct Answer: : 100 psig
bad water treatment and scaling would most effect? - Correct Answer: : shutdown and startup, cycling and base load
Before the clean air act, concerned with? - Correct Answer: : Particulate matter, sulfur dioxide, CO2
benefit of globe valve - Correct Answer: : valves are not cut by throttling and valve parts are easy to repair and replace
Beside a log book being inspected by a state boiler inspector who else can look at the book? - Correct Answer: : the insurance company
Beside a log book being inspected by a state boiler inspector who else can look at the book? - Correct Answer: : the insurance company
boilers have 2 bottom blow downs when the MAWP exceeds _____ psi. - Correct Answer: : 100 psi
Boilers shall have all controls set, adjusted and tested by - Correct Answer: : The installer
brass pipes cannot be joined by - Correct Answer: : solder
- / 3