Deck 26: Process Auxiliaries

Question 1

Which of the following improper operation would most likely lead to potential fire or explosion?

A) Refrigerant leak
B) Regenerator temperature too low
C) Amine temperature in contactor too high
D) Loss of lubrication on equipment

Answer 1

A
Explanation: A) Correct. Refrigerant leak can lead to potential fire or explosion.
B) Incorrect. Regenerator temperature too low would not lead to potential fire or explosion.
C) Incorrect. Contactor temperature too high would not lead to potential fire or explosion.
D) Incorrect. Loss of lubrication on equipment would not lead to potential fire or explosion.

Question 2

What is the name of the vessel where the rich amine is dropped lower in pressure and then heated?

A) Contactor
B) Absorber
C) Fluidizer
D) Regenerator

Answer 2

D
Explanation: A) Incorrect. The vessel where the rich amine is dropped lower in pressure and then heated is commonly called the stripper or regenerator.
B) Incorrect. The vessel where the rich amine is dropped lower in pressure and then heated is commonly called the stripper or regenerator.
C) Incorrect. The vessel where the rich amine is dropped lower in pressure and then heated is commonly called the stripper or regenerator.
D) Correct. The vessel where the rich amine is dropped lower in pressure and then heated is commonly called the stripper or regenerator.

Question 3

What component of mechanical refrigeration systems is a heat exchanger that uses the refrigerant to remove heat and, in the process, the refrigerant evaporates?

A) Receiver
B) Compressor
C) Evaporator
D) Condenser

Answer 3

C
Explanation: A) Incorrect. A receiver is a tank that stores the liquid phase refrigerant once it leaves the condenser.
B) Incorrect. A compressor is a device used to increase the pressure of a refrigerant in the gas phase.
C) Correct. An evaporator is a heat exchanger that uses the refrigerant to remove heat and, in the process, the refrigerant evaporates.
D) Incorrect. A condenser is a device used to cool the gas phase refrigerant from the compressor so that it condenses back into a liquid phase.

Question 4

What type of refrigeration system use a refrigerant for cooling?

A) Absorption
B) Functional
C) Mechanical
D) Evaporation

Question 5

What is the pipe system that connects process unit vents to the flare?

A) Flare stack
B) Flare header
C) Knockout drum
D) Steam ring

Question 6

When are flare systems heavily used?

A) During plant decommissioning procedures
B) During startup of equipment
C) During cleaning of equipment
D) All of the above

Question 7

Which component of a hot oil system moves oil through the circulation and heating systems?

A) Storage tank
B) Oil pump
C) Oil circulation system
D) Oil heating system

Question 8

Which of the following is a maintenance activity for refrigeration systems?

A) Check the expansion valve
B) Check pilot gas regulator for proper flow
C) Check that the pilot is lit
D) Check purge gas for proper flow

Question 9

Which of the following improper operation is least likely cause exposure to toxic fumes?

A) Flare pilot or burner not lit
B) Failure to line up purge gas to flare stack
C) Refrigerant leak
D) Loss of lubrication on equipment

Question 10

Which method of supplying lubricants to equipment uses handheld devices?

A) Grease guns
B) Hot oil system
C) Glass bottle oiler cup
D) Automatic grease lubricator

Question 11

Which component of lubrication systems is a device that removes contaminants and particulates from the lubricant prior to circulation through a system?

A) Cooler
B) Filter
C) Pump
D) Lube oil reservoir tank

Question 12

What is a common use of an amine system?

A) To remove chemicals from water
B) To remove wastewater from a plant
C) To remove CO2 from a synthesized gas stream
D) To burn unwanted gases before they are released into the atmosphere

Question 13

What is used to burn off flammable excess (or waste) substances?

A) Incinerator
B) Flare system
C) Hot oil system
D) Evaporator

Question 14

Which component of a hot oil system is a heater or furnace that raises the temperature of the oil to the desired temperature?

A) Storage tank
B) Oil pump
C) Oil circulation system
D) Oil heating system

Question 15

What component of mechanical refrigeration systems is a device used to increase the pressure of a refrigerant in the gas phase?

A) Receiver
B) Compressor
C) Evaporator
D) Condenser

Question 16

Which of the following is a common lubricant?

A) Water
B) Grease
C) Steam
D) Natural gas

Question 17

What system uses motive gas to make a solid particulate substance flow like a liquid?

A) Hot oil system
B) Fluidized bed system
C) Nitrogen header system
D) Flare system

Question 18

Which of the following is the most common auxiliary system?

A) Flare system
B) Amine system
C) Fluidized bed system
D) Nitrogen header system