FREE AND STUDY GAMES ABOUT MN BOILERS EXAM

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FREE AND STUDY GAMES ABOUT MN BOILERS EXAM

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -134 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: In a steam boiler system what is the term used for replacing the water that has been lost by blowing down the boiler or through leaks in the system?

Answer:

Makeup

Question 2: Water treatment chemicals are used in low pressure boilers for?

Answer:

*Preventing Scale *Reducing Oxygen

Question 3: 1 Boiler HP on electric type Boilers?

Answer:

10KW

Question 4: What 3 things are needed to sustain combustion?

Answer:

*Heat *Fuel *Oxygen

Question 5: Steam boilers under 200 HP must have the low water cut off tested how often?

Answer:

Daily Question 6: According to national board code safety valves are to be tested how often?

Answer:

90 days

Question 7: The first sequence in the series of automatic boiler control is?

Answer:

Purge

Question 8: Minimum information in your log book?

Answer:

Who checked the boiler, what did you check and when did you check it.

Question 9: What is an economizer?

Answer:

It is used to pre-heat the water after the boiler exit.Question 10: When a steam boiler system is blowing into the condensate tank or vacuum pump, what could the problem be?

Answer:

Steam Trap Malfunction

Question 11: What is the danger of running a gas burner at low flame?

Answer:

The possibility of extinguishing the fire.

Question 12: How do you determine the rotation of a centrifugal pump?

Answer:

Which way the veins are facing.

Question 13: A.S.M.E. ?

Answer:

American Society of Mechanical Engineers Question 14: In addition to a Safety Relief Valve what other safety device should be installed on a hot water boiler?

Answer:

Low water fuel cutoff.Question 15: What device controls the starting and stopping of the burner on a low pressure boiler?

Answer:

Pressure troll

Question 16: What is a check valve?

Answer:

An automatic valve that allows flow in one direction.

Question 17: What is required in a boiler room?

Answer:

Log book and Boilers license

Question 18: Which tubes are easier to change on a boiler?

Answer:

Fire tube

Question 19: What two scales does a Pressure troll have?

Answer:

Cut-in and differential Question 20: What is the transfer of heat from one part of material to another or to a material from which it is in contact with?

Answer:

Conduction

Question 21: What is the maximum temperature for water entering the sanitary sewer line?

Answer:

150 degrees

Question 22: What are the three different ways to atomize fuel oil?

Answer:

*Direct Pressure *High Power Steam/High Power Compressed Air *Rotary Cup

Question 23: What is air that is mixed with the fuel at or in the burner?

Answer:

Primary Air

Question 24: Which fuel oils are referred to as heavy oil?

Answer:

#5 and #6

Question 25: Is it acceptable to make a photocopy of your license?

Answer:

Yes, and it is required if you are in charge of multiple Boilers.Question 26: All stationary boilers of what pressure must have 2 valves on the blow off line?

Answer:

100 psi

Question 27: In order for fuel to burn it must be heated to?

Answer:

Its ignition temperature

Question 28: What is the minimum pipe size for attaching a pressure gauge?

Answer:

1/4 in.