Question 1

When a furnace tube or section of refractory gets too hot:

Accepted Answer

A)  flame impingement 
B)  scorching 
C)  hot spot 
D)  shock bank 
A)  flame impingement 
B)  scorching 
C)  hot spot 
D)  shock bank

Question 2

The air registers are located on the:

Accepted Answer

A)  burner 
B)  fuel line 
C)  steam line 
D)  peep block 
A)  burner 
B)  fuel line 
C)  steam line 
D)  peep block

Question 3

Air can enter the furnace through:

Accepted Answer

primary air, seconda

Question 4

Furnaces are classified as:

Accepted Answer

A)  balanced draft 
B)  indirect and direct 
C)  forced draft 
D)  induced draft 
A)  balanced draft 
B)  indirect and direct 
C)  forced draft 
D)  induced draft

Question 5

The section of the furnace that reaches the highest temperature is the:

Accepted Answer

A)  convection section 
B)  radiant section 
C)  shock bank 
D)  firebox 
A)  convection section 
B)  radiant section 
C)  shock bank 
D)  firebox

Question 6

Convective heat transfer accounts for:

Accepted Answer

A)  30% to 40% 
B)  40% to 50% 
C)  60% to 70% 
D)  70% to 80% 
A)  30% to 40% 
B)  40% to 50% 
C)  60% to 70% 
D)  70% to 80%

Question 7

A stationary or movable device used to remove unburned hydrocarbons from the upper section of the furnace:

Accepted Answer

A)  radiant nozzle 
B)  convection blower 
C)  air register 
D)  soot blower 
A)  radiant nozzle 
B)  convection blower 
C)  air register 
D)  soot blower

Question 8

Draw a cabin furnace with radiant wall burners and induced draft. Show all components.

Accepted Answer

To draw a cabin furnace with radiant wal

Question 9

Temperatures in a furnace range between:

Accepted Answer

A)  1000F to 1350F 
B)  400F to 900F 
C)  2000F to 2600F 
D)  1600F to 2000F 
A)  1000F to 1350F 
B)  400F to 900F 
C)  2000F to 2600F 
D)  1600F to 2000F

Question 10

Gas flow out of a furnace is typically set at:

Accepted Answer

A)  150,000 pounds per hour 
B)  250,000 pounds per hour 
C)  350,000 pounds per hour 
D)  450,000 pounds per hour 
A)  150,000 pounds per hour 
B)  250,000 pounds per hour 
C)  350,000 pounds per hour 
D)  450,000 pounds per hour

Question 11

The flow of air through a furnace is referred to as:

Accepted Answer

A)  suction 
B)  draft 
C)  air velocity 
D)  O2 % 
A)  suction 
B)  draft 
C)  air velocity 
D)  O2 %

Question 12

The term applied to gas vapors when they ignite and return back to the source:

Accepted Answer

A)  flashback 
B)  auto ignition 
C)  back draft 
D)  ignition point 
A)  flashback 
B)  auto ignition 
C)  back draft 
D)  ignition point

Question 13

Carbon deposits found inside furnace tubes:

Accepted Answer

A)  carbonization 
B)  fouling 
C)  coking 
D)  mineral deposits 
A)  carbonization 
B)  fouling 
C)  coking 
D)  mineral deposits

Question 14

Radiant heat transfer accounts for:

Accepted Answer

A)  30% to 40% 
B)  40% to 50% 
C)  60% to 70% 
D)  70% to 80% 
A)  30% to 40% 
B)  40% to 50% 
C)  60% to 70% 
D)  70% to 80%

When a furnace tube or section of refractory gets too hot:

The air registers are located on the:

Air can enter the furnace through:

Furnaces are classified as:

The section of the furnace that reaches the highest temperature is the:

Convective heat transfer accounts for:

A stationary or movable device used to remove unburned hydrocarbons from the upper section of the furnace:

Draw a cabin furnace with radiant wall burners and induced draft. Show all components.

Temperatures in a furnace range between:

Gas flow out of a furnace is typically set at:

The flow of air through a furnace is referred to as:

The term applied to gas vapors when they ignite and return back to the source:

Carbon deposits found inside furnace tubes:

Radiant heat transfer accounts for:

Introduction to Process Equipment

Valves

Piping and Vessels

Pumps

Compressors

Turbines and Motors

Heat Exchangers

Cooling Towers

Steam Generation- Boilers

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Plastics Systems

Filters

Exam 10: Fired Heaters Furnaces

When a furnace tube or section of refractory gets too hot:

The air registers are located on the:

Air can enter the furnace through:

Furnaces are classified as:

The section of the furnace that reaches the highest temperature is the:

Convective heat transfer accounts for:

A stationary or movable device used to remove unburned hydrocarbons from the upper section of the furnace:

Draw a cabin furnace with radiant wall burners and induced draft. Show all components.

Temperatures in a furnace range between:

Gas flow out of a furnace is typically set at:

The flow of air through a furnace is referred to as:

The term applied to gas vapors when they ignite and return back to the source:

Carbon deposits found inside furnace tubes:

Radiant heat transfer accounts for:

Introduction to Process Equipment

Valves

Piping and Vessels

Pumps

Compressors

Turbines and Motors

Heat Exchangers

Cooling Towers

Steam Generation- Boilers

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Plastics Systems

Filters