Minnesota Special Engineer Boiler License Practice Exam
Questions (solved) 2023
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? – correct answer \u270510 Sq. Ft. Heating Surface
What is meant by the term “Low Pressure Boiler”? – correct answer
\u2705Boilers 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 a temperature of 250 degrees F.
A person holding a current State of Minnesota Special Engineers License
could be in charge of, or a shift engineer in what size plant(s)? – correct
answer \u2705High- and Low-pressure boilers not to exceed a total of 50 boiler
horsepower, or a shift engineer in a 100 horsepower plant.
Special Engineer may serve as an apprentice of what size water\/liquid or
steam\/vapor boiler? – correct answer \u2705In any plant regardless of size under
the direct supervision of a properly licensed engineer.
The purpose of low water cut out on a steam or hot water boiler is to what?<\/p>\n\n\n\n
Minnesota Special Engineer Boiler License Practice Exam
Questions (solved) 2023
The valve or valves that must relieve all excess pressure on a steam or hot
water boiler are what? – correct answer \u2705Safety valve and\/or an ASME
approved safety relief valve.
A Tri indicator could be found on a: – correct answer \u2705Hot water boiler.
A tri-indicator would inform the boiler operator of what? – correct answer
\u2705The TEMPERATURE of the water, the PRESSURE of the water in PSIG, and
the ALTITUDE of water in feet.
What is the destructive force in a steam or hot water boiler explosion? –
correct answer \u2705The instant release of energy stored in the water as heat.
An ASME approved safety relieve calve used on a hot water boiler is tested
at the factory on what? – correct answer \u2705Steam first then hot water.
Some of the things you could find on a steam boiler (or hot water boiler) are
what? – correct answer \u2705Low water cut off, safety valve or safety relief
valve, pressure gauge.<\/p>\n\n\n\n
MN Boiler License Questions Verified answer (Latest
2023)
what are the conditions necessary for good combustion?
a) low sulfur content
b) Thermal, thermocouple, tubular
c) turbulence, temperature, time 3T’s – correct answer \u2705c) turbulence,
temperature, time 3T’s
why is secondary air necessary in hand fired boilers?
a) Necessary to burn the combustible gases
b) if primary air should fail
c) used only if sulfur content is high – correct answer \u2705a) Necessary to burn
the combustible gases
when pressure increases on steam from a given amount of water what
happens to its volume and latent heat?
a) increases
b) decreases
c) remains the same – correct answer \u2705b) decreases<\/p>\n\n\n\n
MN Boiler License Questions Verified answer (Latest
2023)
when pressure increases on steam from a given amount of water what
happens to its temperature?
a) increases
b) decreases
c) remains the same – correct answer \u2705a) increases
when carbon monoxide (co) is formed and carbon dioxide (co2) is very high
what does it generally signify?
a) More “under the fire air” is needed
b) less “under the fire air” is required
c) more “over the fire” air is needed
d) less “over the fire” is needed less – correct answer \u2705c) more “over the
fire” air is needed
excess air is an expression that refers to:
a) overabundance of air
b) theoretical amount of air
c) air supplied above that theoretically required – correct answer \u2705c) air
supplied above that theoretically required<\/p>\n\n\n\n
MN Boiler License Questions Verified answer (Latest
2023)
a good percentage of carbon dioxide when burning oil is:
a) 12%
b) 8 %
c) 10% – correct answer \u2705a) 12%
what is draft on a boiler in operation?
a) Flow of gases through boiler
b) difference in pressure between atmosphere and furnace or firebox
c) difference between atmospheric pressure and breeching – correct answer
\u2705b) difference in pressure between atmosphere and furnace or firebox
which has greater heating value per pound?
a) oil
b) coal – correct answer \u2705a) oil (18000 – 19500 BTU)
(coal has (6900 – 12910 BTU))
heavy oil must be heated before entering the burner to:<\/p>\n\n\n\n
MN Boiler License Questions Verified answer (Latest
2023)
a) increase carbon content
b) decreased sulfur content
c) get proper atomization – correct answer \u2705c) get proper atomization
why should a daily log be kept of flue gas temperature?
a) Valuable information in case of explosion
b) superintendent files them
c) change an operation, causing heat loss, can be detected – correct answer
\u2705c) change an operation, causing heat loss, can be detected
find SWP of a boiler 72 inches in diameter, thickness of one-half inch, tensile
strength of 55,000 pounds, quadruple riveted butt and strap joint (.94) factor
of safety 5:
a) 14.3
b) 143.6
c) 1436 – correct answer \u2705b) 143.6
the total heat of steam is 1,188 BTUs, and feed water temperature is 182
degrees Fahrenheit. What is the factor of evaporation?<\/p>\n\n\n\n
Second Class Boiler Licenses Minnesota Exam Questions
(Solved) 2023
Certificate of inspection – correct answer \u2705means a sticker attached to the
boiler or pressure vessel which documents the month and year of the
inspection and the employer of the inspector performing the inspection.
Certificate of registration – correct answer \u2705means a document that has
been made available on the department’s Web site that lists all registered
boilers and pressure vessels at a location, including the last inspection date,
the certificate expiration date, and the maximum allowable working
pressure for each boiler or pressure vessel.
High-pressure boiler – correct answer \u2705means a boiler operating at a steam
or other vapor pressure in excess of 15 psig, or a water or other liquid boiler
in which the pressure exceeds 160 psig or the temperature exceeds 250
degrees Fahrenheit.
Inspection due date – correct answer \u2705means the last possible date that the
inspection can be completed within the time limits in this chapter
Insurance company boiler inspector – correct answer \u2705means a national
board-commissioned inspector who holds a current certificate of
competency issued by the state.<\/p>\n\n\n\n
Second Class Boiler Licenses Minnesota Exam Questions
(Solved) 2023
Low-pressure boiler – correct answer \u2705means a boiler operating at a steam
or other vapor pressure of 15 psig or less, or a water or other liquid boiler in
which the pressure does not exceed 160 psig and the temperature does not
exceed 250 degrees Fahrenheit.
National board – correct answer \u2705means the National Board of Boiler and
Pressure Vessel Inspectors, which is an organization comprised of chief
Inspectors for the states, cities, and territories of the United States and
provinces and territories of Canada
National Board Inspection Code; NBIC – correct answer \u2705means a threepart technical document that is written and published by the national board
detailing the installation, inspection, and repair of boilers and pressure
vessels.
Operation – correct answer \u2705means the on-site act of manipulating,
monitoring, and testing of boilers and their appurtenances by a properly
licensed engineer or an apprentice under the direct supervision of the
properly licensed engineer.<\/p>\n\n\n\n
Boiler Exam sample questions Answered (with
100%Corrrect Ans Verified) 2023
Which valve is between the boiler and the return pump – correct answer
\u2705check valve
what is the function of the check valve – correct answer \u2705prevent the water
from returning to the condensation tank from the boiler after the pump
shuts off
four safety features required on the steam boiler are – correct answer
\u2705safety relief valve, blow-down valve, low water cut-off, and pressure gauge
safety relief valves should be set by – correct answer \u2705qualified safety valve
technician
which pressure in considered to be that of a low-pressure boiler – correct
answer \u27050-15 PSI MAWP
what could happen if a steam valve is opened quickly – correct answer
\u2705water could be siphoned out of the boiler causing damage to boiler and
steam lines<\/p>\n\n\n\n
Boiler 2023 Practice Test #1 (with 100%Corrrect Ans Boiler 2023 Practice Test #1 (with 100%Corrrect Ans Minnesota Special Engineer Boiler License Practice ExamQuestions (solved) 2023For the purpose of rating boiler horsepower for an Engineers License only,how many square feet of boiler surface shall be equivalent to one boilerhorsepower on a boiler? – correct answer \u270510 Sq. Ft. Heating SurfaceWhat is meant by the term “Low Pressure Boiler”? – correct answer\u2705Boilers operating […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-117399","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/117399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=117399"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/117399\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=117399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=117399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=117399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Verified) Latest 2023
Absolute pressure is equal to – correct answer \u2705gauge pressure plus
atmospheric.
The MAWP on a High-Pressure Steam Boiler is greater than – correct answer
\u270515 PSIG
The Same Code states; Boilers with over square feet of heating
surface must have two or more safety valves. – correct answer \u2705500
The<\/em> regulates the high and low fire of the burner. – correct
answer \u2705Modulating pressure control
The water Column\/Gauge Glass should be blown down –
correct answer \u2705once per shift
The primary function of the Low Water Fuel Cutoff is to _____<\/strong><\/em><\/strong><\/em>.<\/p>\n\n\n\n\n
Verified) Latest 2023
The low water fuel cut off should be tested ________<\/em><\/strong><\/em><\/strong>. –
correct answer \u2705daily
Mechanical draft is produced by – correct answer \u2705power driven
fans
High and low pressure gauges are calibrated in pounds per __<\/em><\/strong> –
correct answer \u2705square inch.
Combination force and induced draft is also known as draft. –
correct answer \u2705balanced
Draft in a bolier is measured in – correct answer \u2705inches of water
The oldest form of draft used in a boiler is __<\/em><\/strong><\/em> – correct answer
\u2705natural
Oxygen in the boiler water causes __<\/em><\/strong>. – correct answer \u2705pitting<\/p>\n","protected":false},"excerpt":{"rendered":"