Exam (elaborations)
Special Boiler License Practice Exam Minnesota – Questions & Answers
Special Boiler License Practice Exam Minnesota – Questions & Answers
[Show more]
Content preview
Special Boiler License Practice Exam Minnesota –Questions & Answers
How many way can heat be transferred? ✔️Ans - Three (Conduction --
Convection -- Radiation)
How may types of low pressure are there? ✔️Ans - Three
Boiler and boiler fitting used in the state of Minnesota must be constructed to
what code? ✔️Ans - A.S.M.E
What controls the starting ans stopping of the burner by sending the
temperature of the water in a hot water boiler? ✔️Ans - Aqua Stat
When a hydrostatic test of a boiler exceeds the maximum allowed working
pressure each safety valve, if left attached to the boiler, should: ✔️Ans -
Have its valve disc held to its seat by means of testing clamp or "gag"
Heat can be transferred in three ways and they are: ✔️Ans - Conduction --
Convection - Radiation
The first sequence in the series of automatic burner control is: ✔️Ans -
Purging
Can a low water low water condition i a hot water heating type boiler? ✔️Ans
- Yes, for numerous reasons
Other than a safety relieve valve what other safety device should be installed
on a hot water heating boiler? ✔️Ans - Low water cut off
Each boiler in a battery (pipe together sharing the same common header)
must have: ✔️Ans - A main stem stop
what removes air from a hot water boiler system? ✔️Ans - Air Control
In a stem boiler system, the unit that turns be burner on and off based on
steam pressure is the: ✔️Ans - Pressure Control
, If water in the gauge is not visible because of failure of the feed water supply,
what should be done? ✔️Ans - Shut off the fuel to the burner and secure the
boiler.
What conditions are necessary to cause a furnace explosion? ✔️Ans -
Accumulation of unburned fuel, oxygen and an ignition source
The LWCO should be tested: ✔️Ans - Daily
Gauge pressure plus 14.7 psi is called what? ✔️Ans - Absolute pressure
The evaporation of 34.5 ponds of water per hour from and at a temperature of
212 degrees Fahrenheit is defined as: ✔️Ans - One boiler horsepower
When a safety valve opens and closes rapidly it is referred to as ✔️Ans -
Chattering
Furnace explosions are caused by a buildup of combustible gases, or vapors in
the combustion chamber, what is the term used to remedy this condition?
✔️Ans - Purging
Why is a pigtail or siphon required in steam pressure gauge lines? ✔️Ans -
to protect the gauge from a high temperature.
In a stem boiler system, what is the term used for replacing the water that has
been lost by blowing down the boiler through leaks in the system? ✔️Ans - A
make up water
On steam boiler system, why are bottom blow down valves installed at the
lowest point of the waterside of boilers? ✔️Ans - To remove sludge and
sediment.
Boiler heating is defining as : ✔️Ans - Water on one side hot gases on the
other side.
In a fire tube boiler, the water ✔️Ans - Surrounds the tubes
When the bottom blow down valves are used on a steam boiler, what valve
located closet to the boiler shell? ✔️Ans - The quick opening valve
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$14.39. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now