NAPTA Test Bank Furnaces Ch.22

Introduction to Process Technology (NAPTA)

Chapter 22 Furnaces

1) What is the process called that separates the components of crude oil in order to break heavier hydrocarbon molecules into lighter hydrocarbon molecules?

A) Fracking

B) Cracking

C) Process heater

D) Fireboxing

Page Ref: 297

Objective: 22.1 Describe the purpose or function of furnaces in the process industries

Blooms Level: Understand

2) Which of the following is a process where a furnace is used?

A) Cool water

B) Superheat steam

C) Remove chemicals from a raw material

D) All of the above

Page Ref: 297

Objective: 22.1 Describe the purpose or function of furnaces in the process industries

Blooms Level: Understand

3) What section of a furnace contains the burners?

A) Radiant

B) Convection

C) Stack

D) Cabin furnace

Page Ref: 298

Objective: 22.2 Identify the primary parts of a typical furnace

Blooms Level: Understand

4) What is the hottest section of the furnace?

A) Damper

B) Radiant tubes

C) Firebox

D) Refractory

Page Ref: 298

Objective: 22.2 Identify the primary parts of a typical furnace

Blooms Level: Understand

5) What provides the main source of air to the furnace?

A) Damper

B) Air register

C) Furnace purge

D) Stack

Page Ref: 299

Objective: 22.2 Identify the primary parts of a typical furnace

Blooms Level: Understand

6) What characteristic of process feedstock determines the temperature?

A) Weight

B) Quality

C) Effluent analysis

D) All of the above

Page Ref: 299

Objective: 22.3 Describe the operation of a furnace, including types of fuel and feedstock

Blooms Level: Understand

7) What process is used in the operation of furnaces when the heat is transferred through the walls of the tubes to the process fluid?

A) Convection

B) Conduction

C) Evaporation

D) Radiation

Page Ref: 299

Objective: 22.3 Describe the operation of a furnace, including types of fuel and feedstock

Blooms Level: Understand

8) Which factor does a furnace design depend on?

A) Tube arrangement

B) Burner arrangement

C) Whether the furnace is part of a larger process unit

D) All of the above

Page Ref: 299

Objective: 22.4 Describe the different furnace designs and draft types

Blooms Level: Understand

9) What type of draft system has no fans or mechanically produced draft?

A) Forced draft

B) Natural draft

C) Balanced draft

D) Induced draft

Page Ref: 299

Objective: 22.4 Describe the different furnace designs and draft types

Blooms Level: Understand

10) What type of draft system uses fans, located at the top of the furnace, to pull air up through the furnace?

A) Forced draft

B) Natural draft

C) Balanced draft

D) Induced draft

Page Ref: 301

Objective: 22.4 Describe the different furnace designs and draft types

Blooms Level: Understand

11) Which of the following improper operations will not cause a loss in production due to downtime for repairs?

A) Bypassing safety interlocks

B) Failure to follow flame safety procedure

C) Poor control of excess air and draft control

D) Opening inspection ports when the firebox has a positive pressure or pressure greater than atmospheric

Page Ref: 302

Objective: 22.5 Discuss the hazards associated with the improper operation of a furnace

Blooms Level: Understand

12) What improper operation can cause burn, injuries, or death?

A) Bypassing safety interlocks

B) Failure to follow flame safety procedure

C) Poor control of excess air and draft control

D) All of the above

Page Ref: 302

Objective: 22.5 Discuss the hazards associated with the improper operation of a furnace

Blooms Level: Understand

13) What improper operation can cause flashbacks?

A) Failure to wear proper protective equipment

B) Failure to follow flame safety procedure

C) Poor control of excess air and draft control

D) Opening inspection ports when the firebox has a positive pressure or pressure greater than atmospheric

Page Ref: 302

Objective: 22.5 Discuss the hazards associated with the improper operation of a furnace

Blooms Level: Understand

14) What is a condition in which the flames from a burner touch the tubes in the furnace?

A) Hot spots

B) Breech

C) Flame impingement

D) Furnace purge

Page Ref: 302

Objective: 22.6 Describe the monitoring and maintenance activities associated with furnaces

Blooms Level: Understand

15) Which of the following should a process technician not do when monitoring and maintaining furnaces?

A) Check draft balance (pressures)

B) Check burner balance (fuel-to-air) ratios

C) Observe flame color in firebox

D) Using YouTube check for excessive vibration

Page Ref: 302

Objective: 22.6 Describe the monitoring and maintenance activities associated with furnaces

Blooms Level: Understand