Omaha 3rd Grade Stationary Engineering Exam Questions and
Answers
Question 1
How do you lose your license?
Correct Answer
Drinking on the Job
sleeping on the job
negligence
unsafe work
failing to renew your license annually
signing a falsified licensing application for someone
Question 2
What must you do if you change jobs?
Correct Answer
You must notify City Hall if you change jobs, change address or retire
Page 1 of 54
,Question 3
Why should you do rounds?
Correct Answer
Find and correct problems to prevent breakdowns.
keeping permanent records will make it easy to forecast most breakdowns because you will get to know your equipment
Question 4
What is a steam boiler?
Correct Answer
A closed vessel partly filled with water, under pressure, that transforms water into steam with the application of heat.
Question 5
What are the requirements of a good boiler?
Correct Answer
1) simple
2) designed to accommodate expansion and contraction
3) adequate steam and water space
4) efficient
5) responsive to demands
6) accessible for cleaning and repairs
7) safe
Page 2 of 54
,Question 6
Name and describe three types of heat transfer used in boiler operations.
Correct Answer
Radiant Heat
Conduction Heat
Convection Heat
Question 7
Radiant Heat
Correct Answer
is heat radiated from a hot to cold body and depends on the temperature difference and the color of the body that
receives the heat. The heat from the sun reaches us by means of radiation.
Question 8
Conduction Heat
Correct Answer
is heat that passes from the gas to the tube by physical contact. The heat passes from molecule of metal to molecule of
metal with no displacement of the molecules
Page 3 of 54
, Question 9
Convection Heat
Correct Answer
is heat transmitted from a hot to cold body by movement of the conveying substance.
Question 10
What is a combustion chamber?
Correct Answer
The area of the boiler where the complete burning of the fuel occurs.
Question 11
What is an internally fired boiler?
Correct Answer
Internally fired boilers are those in which the grate and combustion chamber are enclosed within the boiler shell.
Question 12
Name four types of internally fired boilers
Correct Answer
Scotch Marine
Cast Iron package
Steam locomotive
Vertical fire tube
Page 4 of 54
Answers
Question 1
How do you lose your license?
Correct Answer
Drinking on the Job
sleeping on the job
negligence
unsafe work
failing to renew your license annually
signing a falsified licensing application for someone
Question 2
What must you do if you change jobs?
Correct Answer
You must notify City Hall if you change jobs, change address or retire
Page 1 of 54
,Question 3
Why should you do rounds?
Correct Answer
Find and correct problems to prevent breakdowns.
keeping permanent records will make it easy to forecast most breakdowns because you will get to know your equipment
Question 4
What is a steam boiler?
Correct Answer
A closed vessel partly filled with water, under pressure, that transforms water into steam with the application of heat.
Question 5
What are the requirements of a good boiler?
Correct Answer
1) simple
2) designed to accommodate expansion and contraction
3) adequate steam and water space
4) efficient
5) responsive to demands
6) accessible for cleaning and repairs
7) safe
Page 2 of 54
,Question 6
Name and describe three types of heat transfer used in boiler operations.
Correct Answer
Radiant Heat
Conduction Heat
Convection Heat
Question 7
Radiant Heat
Correct Answer
is heat radiated from a hot to cold body and depends on the temperature difference and the color of the body that
receives the heat. The heat from the sun reaches us by means of radiation.
Question 8
Conduction Heat
Correct Answer
is heat that passes from the gas to the tube by physical contact. The heat passes from molecule of metal to molecule of
metal with no displacement of the molecules
Page 3 of 54
, Question 9
Convection Heat
Correct Answer
is heat transmitted from a hot to cold body by movement of the conveying substance.
Question 10
What is a combustion chamber?
Correct Answer
The area of the boiler where the complete burning of the fuel occurs.
Question 11
What is an internally fired boiler?
Correct Answer
Internally fired boilers are those in which the grate and combustion chamber are enclosed within the boiler shell.
Question 12
Name four types of internally fired boilers
Correct Answer
Scotch Marine
Cast Iron package
Steam locomotive
Vertical fire tube
Page 4 of 54
