Chapter 23 Full Test Bank Boilers

Introduction to Process Technology (NAPTA)

Chapter 23 Boilers

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

A) Pumps

B) Turbines

C) Cooling towers

D) Compressors

Page Ref: 306

Objective: 23.1 Describe the principles and purpose of boiler operation in the process industries

Blooms Level: Understand

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

A) Firebox

B) Burners

C) Air registers

D) Stack

Page Ref: 306

Objective: 23.2 Identify the primary parts and support systems of a typical fuel-fired boiler

Blooms Level: Understand

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

A) Mud drum

B) Steam drum

C) Desuperheater

D) Economizer

Page Ref: 307

Objective: 23.2 Identify the primary parts and support systems of a typical fuel-fired boiler

Blooms Level: Understand

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

A) Risers

B) Downcomers

C) Superheater

D) Desuperheater

Page Ref: 308

Objective: 23.2 Identify the primary parts and support systems of a typical fuel-fired boiler

Blooms Level: Understand

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

A) Risers

B) Downcomers

C) Superheater

D) Desuperheater

Page Ref: 308

Objective: 23.2 Identify the primary parts and support systems of a typical fuel-fired boiler

Blooms Level: Understand

6) What principle do boilers use to assist fluid circulation?

A) Kinetic principle

B) Differential density

C) Mechanic principle

D) Hydro effect

Page Ref: 308

Objective: 23.3 Describe the operating principles and types of fuels used in a boiler

Blooms Level: Understand

7) Which of the following is less dense?

A) Steam

B) Hot water

C) Warm water

D) Cold water

Page Ref: 308

Objective: 23.3 Describe the operating principles and types of fuels used in a boiler

Blooms Level: Understand

8) Which of the following factors does not affect boiler operation?

A) Pressure

B) Temperature

C) Water level

D) Viscosity of water

Page Ref: 308

Objective: 23.3 Describe the operating principles and types of fuels used in a boiler

Blooms Level: Understand

9) What type of boilers work at higher operating pressures?

A) Fire tube

B) Straw tube

C) Water tube

D) Steam tube

Page Ref: 310

Objective: 23.4 Describe the different types of boilers

Blooms Level: Understand

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

A) Fire box could build up creosote

B) Tubes could build up soot

C) Tubes could overheat

D) Excess steam production could occur

Page Ref: 309

Objective: 23.4 Describe the different types of boilers

Blooms Level: Apply

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

A) Mud drum

B) Steam drum

C) Risers

D) Downcomers

Page Ref: 311

Objective: 23.4 Describe the different types of boilers

Blooms Level: Understand

12) Which improper operation can lead to eye injuries?

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

Page Ref: 311

Objective: 23.5 Discuss the hazards associated with improper operation of a boiler

Blooms Level: Understand

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

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

Page Ref: 311

Objective: 23.5 Discuss the hazards associated with improper operation of a boiler

Blooms Level: Understand

14) What improper operation can lead to decreased boiler efficiency?

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

Page Ref: 311

Objective: 23.5 Discuss the hazards associated with improper operation of a boiler

Blooms Level: Understand

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

A) Check burner flame color

B) Check draft balance

C) Check temperature gradient

D) All of the above

Page Ref: 311

Objective: 23.6 Describe the monitoring and maintenance activities associated with operating boilers

Blooms Level: Understand