A diesel hydrotreater in an oil refinery

A diesel hydrotreater in an oil refinery

a) removes the sulphur and nitrogen compounds before the naphtha goes to the platformer
b) removes the water from the crude oil
c) only removes the water from the diesel
d) removes the sulphur and nitrogen compounds from the diesel before the diesel goes to storage
e) causes the heavy hydrocarbons to be transformed into lighter hydrocarbons






Answer: D

The purpose of the vacuum unit in an oil refinery is

The purpose of the vacuum unit in an oil refinery is

a) to receive the "reduced crude" and recover more gas oils by further distilling under high temperature and low pressure
b) to only take off the propane, butane, and light ends from the crude oil
c) the same as the fluid catalytic cracking unit
d) to remove the hydrogen sulphide and nitrogen from the naphtha
e) to remove the sulphur and nitrogen from the diesel





Answer: A

Which of the following is not a steam user in a meat processing plant?

Which of the following is not a steam user in a meat processing plant?

a) edible and inedible rendering plants
b) building heating
c) sanitation on the killing floor
d) steam tracing
e) blast freezer




Answer: E

The main disadvantage of a sawmill gangsaw is

The main disadvantage of a sawmill gangsaw is

a) the logs cannot be turned, nor the thickness varied
b) it produces a very small volume of smoothly sawed lumber
c) it produces a large volume of roughly sawed lumber
d) the logs can be turned, but the thickness cannot be varied
e) the thickness can be varied, but the logs cannot be turned

Answer: A

A process used in refineries to separate components by using the property of different boiling temperatures is:

A process used in refineries to separate components by using the property of different boiling temperatures is:

a. Platforming
b. Stabilization
c. Absorption
d. Catalytic cracking
e. Fractional distillation






Answer: E

The vacuum unit in an oil refinery:

The vacuum unit in an oil refinery:

a. Stores cryogenic material at a cold temperature
b. Receives gas oils from the F.C.C.U. and at lower temperature and pressure 'cracks' the product
c. Treats sour diesel with water
d. Receives gas oils from the crude unit and distills it further at higher temperature and lower pressure
e. Sucks up spilled oil





Answer: D

In a meat processing plant hot water for knife sanitization is maintained at a temperature of approximately:

In a meat processing plant hot water for knife sanitization is maintained at a temperature of approximately:

a. 10°C
b. 50°C
c. 70°C
d. 105°C
e. 121°C




Answer: D

In a Fluid catalytic cracker;

In a Fluid catalytic cracker;

a. Light gas oils are contacted with a hot catalyst in a reformer
b. Light gas oils are contacted with a hot catalyst in a reactor
c. Heavy gas oils are contacted with a hot catalyst in a reformer
d. Heavy gas oils are contacted with a hot catalyst in a reactor
e. Naphtha is the main input




Answer: D

If the logs coming into a sawmill must be shortened, they are cut with a _____ saw.

If the logs coming into a sawmill must be shortened, they are cut with a _____ saw.

a. Chain
b. Band
c. Gang
d. Hand
e. Deck




Answer: E

The purpose of the reformer in an oil refinery is to:

The purpose of the reformer in an oil refinery is to:

a. Increase the octane rating of the naphtha and produce hydrogen for the hydrotreater
b. Remove the sulphur and nitrogen compounds from the diesel fuel and naphtha
c. Remove octane from the naphtha, to be blended with gasoline
d. Remove water from the diesel fuel
e. Remove water from the crude oil





Answer: A

Kiln dried lumber refers to drying lumber:

Kiln dried lumber refers to drying lumber:

a. By air seasoning
b. By stacking it in layers so that each surface receives natural air currents
c. By automatically maintaining temperature, humidity and ventilation by using forced ventilation and steam coils
d. Slowly over a long period of time
e. In a shed like building by natural air circulation




Answer: C

A _____ saw consists of as many as 40 parallel saws arranged in a moveable sash mounted in a heavy steel frame.

A _____ saw consists of as many as 40 parallel saws arranged in a moveable sash mounted in a heavy steel frame.

a. Chain
b. Band
c. Gang
d. Hand
e. Deck






Answer: C

A gas sweetening unit in an oil refinery uses:

A gas sweetening unit in an oil refinery uses:

a. Heat to drive off the hydrogen sulphide from the sour gas
b. An amine solution to absorb the hydrogen sulphide from the sour gas
c. An amine solution to absorb the hydrogen sulphide from the crude oil
d. Amine solution to absorb the hydrogen sulphide from the gasoline
e. Heat to drive off the hydrogen sulphide from the crude oil





Answer: B

The overall purpose of an oil refinery are to:

The overall purpose of an oil refinery are to:

a. Extract crude oil, while protecting the natural environment
b. Produce gasoline
c. Blend and add additives to crude oil
d. Remove contaminants from crude oil, and process it into specific end products
e. Convert crude oil into more stable products



Answer: D

The purpose of the fluid catalytic cracking unit (FCCU) in an oil refinery is to:

The purpose of the fluid catalytic cracking unit (FCCU) in an oil refinery is to:

a. Receive the "reduced crude" and recover more gas oils by further distilling under high temperature and low pressure
b. Remove hydrogen sulphide and nitrogen from the naphtha
c. Cause the heavy hydrocarbons to be transformed into lighter hydrocarbons
d. Remove the propane, butane and light ends from the crude oil
e. Remove the sulphur and nitrogen from the diesel fuel




Answer: C

In a meat processing plant the blast freezer is maintained at a temperature of approximately:

In a meat processing plant the blast freezer is maintained at a temperature of approximately:

a. 10°C
b. -0°C
c. -3°C
d. -11°C
e. -35°C





Answer: E

The purpose of the naphtha hydrotreater in an oil refinery is to:

The purpose of the naphtha hydrotreater in an oil refinery is to:

a. Remove water from the naphtha
b. Remove sulphur and nitrogen compounds before the naphtha goes to the platformer
c. To cause the heavy hydrocarbons to be transformed into lighter hydrocarbons
d. To remove water from the crude oil
e. To remove diesel fuel from the naphtha



Answer: B

In a meat processing plant the sales cooler is maintained at a temperature of approximately:

In a meat processing plant the sales cooler is maintained at a temperature of approximately:

a. 10°C
b. -0°C
c. -3°C
d. -11°C
e. -35°C





Answer: C

In an oil refinery, it is important to:

In an oil refinery, it is important to:

a. Maximize production of the high demand products such as gasoline
b. Maximize production of the high demand products such as asphalt
c. Ensure that each refinery is nearly identical to others
d. Generate enough electricity so the entire plant is self-sufficient
e. Regulate production quantities to achieve the highest market value for the final product




Answer: A

Hog fuel is a term used to describe:

Hog fuel is a term used to describe:

a. Waste products from hog barns used as boiler fuel in meat processing plants
b. Mixture of waste wood and bark used as boiler fuel in a sawmill
c. Low calorific value waste fuel used as boiler fuel in oil refineries
d. Low calorific value waste fuel used as boiler fuel in meat processing plants
e. Very poor quality of fuel oil used as boiler fuel in sawmills




Answer: B