Question 1

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

Accepted Answer

A)  Forced draft 
B)  Natural draft 
C)  Balanced draft 
D)  Induced draft 
A)  Forced draft 
B)  Natural draft 
C)  Balanced draft 
D)  Induced draft D

Question 2

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

Accepted Answer

A)  Forced draft 
B)  Natural draft 
C)  Balanced draft 
D)  Induced draft 
A)  Forced draft 
B)  Natural draft 
C)  Balanced draft 
D)  Induced draft B

Question 3

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

Accepted Answer

A)  Fracking 
B)  Cracking 
C)  Process heater 
D)  Fireboxing 
A)  Fracking 
B)  Cracking 
C)  Process heater 
D)  Fireboxing B

Question 4

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

Accepted Answer

A)  Hot spots 
B)  Breech 
C)  Flame impingement 
D)  Furnace purge 
A)  Hot spots 
B)  Breech 
C)  Flame impingement 
D)  Furnace purge

Question 5

What provides the main source of air to the furnace?

Accepted Answer

A)  Damper 
B)  Air register 
C)  Furnace purge 
D)  Stack 
A)  Damper 
B)  Air register 
C)  Furnace purge 
D)  Stack

Question 6

What characteristic of process feedstock determines the temperature?

Accepted Answer

A)  Weight 
B)  Quality 
C)  Effluent analysis 
D)  All of the above 
A)  Weight 
B)  Quality 
C)  Effluent analysis 
D)  All of the above

Question 7

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

Accepted Answer

A)  Cool water 
B)  Superheat steam 
C)  Remove chemicals from a raw material 
D)  All of the above 
A)  Cool water 
B)  Superheat steam 
C)  Remove chemicals from a raw material 
D)  All of the above

Question 8

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

Accepted Answer

A)  Convection 
B)  Conduction 
C)  Evaporation 
D)  Radiation 
A)  Convection 
B)  Conduction 
C)  Evaporation 
D)  Radiation

Question 9

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

Accepted Answer

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 
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

Question 10

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

Accepted Answer

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 
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

Question 11

What improper operation can cause flashbacks?

Accepted Answer

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 
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

Question 12

Which factor does a furnace design depend on?

Accepted Answer

A)  Tube arrangement 
B)  Burner arrangement 
C)  Whether the furnace is part of a larger process unit 
D)  All of the above 
A)  Tube arrangement 
B)  Burner arrangement 
C)  Whether the furnace is part of a larger process unit 
D)  All of the above

Question 13

What is the hottest section of the furnace?

Accepted Answer

A)  Damper 
B)  Radiant tubes 
C)  Firebox 
D)  Refractory 
A)  Damper 
B)  Radiant tubes 
C)  Firebox 
D)  Refractory

Question 14

What section of a furnace contains the burners?

Accepted Answer

A)  Radiant 
B)  Convection 
C)  Stack 
D)  Cabin furnace 
A)  Radiant 
B)  Convection 
C)  Stack 
D)  Cabin furnace

Question 15

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

Accepted Answer

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 
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

Exam 22: Furnaces

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

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

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

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

What provides the main source of air to the furnace?

What characteristic of process feedstock determines the temperature?

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

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

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

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

What improper operation can cause flashbacks?

Which factor does a furnace design depend on?

What is the hottest section of the furnace?

What section of a furnace contains the burners?

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

Process Technology: an Overview

Mineral Extraction Industries: Oil and Gas and Mining

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Working in Teams

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Basic Physics

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Process Drawings

Piping and Valves

Vessels

Pumps

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Heat Exchangers

Cooling Towers

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Distillation

Process Service Utilities

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