Question 1

What principle do boilers use to assist fluid circulation?

Accepted Answer

A)  Kinetic principle 
B)  Differential density 
C)  Mechanic principle 
D)  Hydro effect 
A)  Kinetic principle 
B)  Differential density 
C)  Mechanic principle 
D)  Hydro effect B

Question 2

What term describes the tubes located in the firebox that transfer water from the steam drum to the mud drum?

Accepted Answer

A)  Risers 
B)  Downcomers 
C)  Superheater 
D)  Desuperheater 
A)  Risers 
B)  Downcomers 
C)  Superheater 
D)  Desuperheater B

Question 3

Which of the following improper operation can lead to an explosion in the firebox?

Accepted Answer

A)  Loss of fuel gas or oil 
B)  Failing to purge firebox 
C)  Opening pressured header drains and vents 
D)  Poor control of excess air and draft control 
A)  Loss of fuel gas or oil 
B)  Failing to purge firebox 
C)  Opening pressured header drains and vents 
D)  Poor control of excess air and draft control B

Question 4

Where is the proper water level in a water tube boiler controlled?

Accepted Answer

A)  Mud drum 
B)  Steam drum 
C)  Risers 
D)  Downcomers 
A)  Mud drum 
B)  Steam drum 
C)  Risers 
D)  Downcomers

Question 5

Which of the following is generally not powered by a steam turbine, which gets its energy provided by a boiler?

Accepted Answer

A)  Pumps 
B)  Turbines 
C)  Cooling towers 
D)  Compressors 
A)  Pumps 
B)  Turbines 
C)  Cooling towers 
D)  Compressors

Question 6

Which of the following should a process technician do when monitoring and maintaining boilers?

Accepted Answer

A)  Check burner flame color 
B)  Check draft balance 
C)  Check temperature gradient 
D)  All of the above 
A)  Check burner flame color 
B)  Check draft balance 
C)  Check temperature gradient 
D)  All of the above

Question 7

Which of the following is less dense?

Accepted Answer

A)  Steam 
B)  Hot water 
C)  Warm water 
D)  Cold water 
A)  Steam 
B)  Hot water 
C)  Warm water 
D)  Cold water

Question 8

What will occur in a fire tube boiler if the water level within the shell is not maintained?

Accepted Answer

A)  Fire box could build up creosote 
B)  Tubes could build up soot 
C)  Tubes could overheat 
D)  Excess steam production could occur 
A)  Fire box could build up creosote 
B)  Tubes could build up soot 
C)  Tubes could overheat 
D)  Excess steam production could occur

Question 9

What type of boilers work at higher operating pressures?

Accepted Answer

A)  Fire tube 
B)  Straw tube 
C)  Water tube 
D)  Steam tube 
A)  Fire tube 
B)  Straw tube 
C)  Water tube 
D)  Steam tube

Question 10

Which of the following factors does not affect boiler operation?

Accepted Answer

A)  Pressure 
B)  Temperature 
C)  Water level 
D)  Viscosity of water 
A)  Pressure 
B)  Temperature 
C)  Water level 
D)  Viscosity of water

Question 11

Which improper operation can lead to eye injuries?

Accepted Answer

A)  Loss of fuel gas or oil 
B)  Loss of boiler feed water 
C)  Opening pressured header drains and vents 
D)  Poor control of excess air and draft control 
A)  Loss of fuel gas or oil 
B)  Loss of boiler feed water 
C)  Opening pressured header drains and vents 
D)  Poor control of excess air and draft control

Question 12

What section of the boiler is where the burners are located and where radiant heat transfer occurs?

Accepted Answer

A)  Firebox 
B)  Burners 
C)  Air registers 
D)  Stack 
A)  Firebox 
B)  Burners 
C)  Air registers 
D)  Stack

Question 13

What improper operation can lead to decreased boiler efficiency?

Accepted Answer

A)  Loss of oxygen in boiler feed water 
B)  Failing to purge firebox 
C)  Opening pressured header drains and vents 
D)  Poor control of excess air and draft control 
A)  Loss of oxygen in boiler feed water 
B)  Failing to purge firebox 
C)  Opening pressured header drains and vents 
D)  Poor control of excess air and draft control

Question 14

What is the upper drum section of the boiler where the generated steam gathers before entering the separating equipment?

Accepted Answer

A)  Mud drum 
B)  Steam drum 
C)  Desuperheater 
D)  Economizer 
A)  Mud drum 
B)  Steam drum 
C)  Desuperheater 
D)  Economizer

Question 15

What is a system designed to control the temperature of steam leaving a boiler by using water injection through a control valve?

Accepted Answer

A)  Risers 
B)  Downcomers 
C)  Superheater 
D)  Desuperheater 
A)  Risers 
B)  Downcomers 
C)  Superheater 
D)  Desuperheater

Exam 23: Boilers

What principle do boilers use to assist fluid circulation?

What term describes the tubes located in the firebox that transfer water from the steam drum to the mud drum?

Which of the following improper operation can lead to an explosion in the firebox?

Where is the proper water level in a water tube boiler controlled?

Which of the following is generally not powered by a steam turbine, which gets its energy provided by a boiler?

Which of the following should a process technician do when monitoring and maintaining boilers?

Which of the following is less dense?

What will occur in a fire tube boiler if the water level within the shell is not maintained?

What type of boilers work at higher operating pressures?

Which of the following factors does not affect boiler operation?

Which improper operation can lead to eye injuries?

What section of the boiler is where the burners are located and where radiant heat transfer occurs?

What improper operation can lead to decreased boiler efficiency?

What is the upper drum section of the boiler where the generated steam gathers before entering the separating equipment?

What is a system designed to control the temperature of steam leaving a boiler by using water injection through a control valve?

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