TMA2 TMA311 PETROLEUM CHEMISTRY QUESTION AND ANSWERS

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TMA2 TMA311 PETROLEUM CHEMISTRY

  1. The two process used to obtain valuable light products from the gasoline vapour that pass out of the top of the fractionating tower are _____?
  2. Adsorption and stripping
  3. Fractional distillation and refining
  4. Adsorption and stripping
  5. Cracking and breaking

The answer is C. Adsorption and stripping

  1. Deep natural gas, tight gas, shale gas, coal bed gas are examples of_____?
  2. Conventional gas
  3. Re-conventional gas
  4. Dis-conventional gas
  5. Unconventional gas

The answer is D. Unconventional gas

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  1. Gas deposits that have been the most practical and easiest deposit to mine are known as ______?
  2. Conventional gas
  3. Re-conventional gas
  4. Dis-conventional gas
  5. Unconventional gas

The answer is A. Conventional gas

  1. A natural gas field that has been discovered but remains unstable for either physical or economic reason is referred to as ____
  2. Abandoned gas reserve
  3. Expensive gas reserve
  4. Stranded gas reserve
  5. Liability gas reserve

The answer is C. stranded gas reserve

  1. The primary active component of an CFF catalyst is ____
  2. Solvent
  3. Graphite
  4. Binder
  5. Zeolite

The answer is D. Zeolite

  1. Simple distillation is not efficient enough to separate crude oil because______
  2. The industrial plant needed for fractionation of crude oil is very efficient from the laboratory equipment
  3. The boiling temperature of the constituent of crude oil are quite close to each other thus, making the isolation of individual constituent difficult
  4. The temperature of the vapour condensing on the thermometer is normally taken to be the boiling temperature of any particular fraction
  5. When a liquid mixture of compounds is heated it boils and the vapour above the liquid is richer in the boiling component
  6. Steam cracking process is carried out at_____?
  7. High pressure and higher temperature
  8. High pressure and low temperature
  9. Low pressure and higher temperature
  10. High volume and higher temperature

The answer is C. Low pressure and higher temperature

  1. The following are the desired properties of an FCC catalyst except____
  2. Large pore size
  3. Good stability to high temperature and to steam
  4. Low activity
  5. Low coke production

The answer is C. Low activity

  1. One of these is a type of hydrocarbon present in crude oil_____?
  2. Isobarofins
  3. Isobutene-paraffin
  4. Isoparafins
  5. Isotarafins

The answer is C. Isoparafins

  1. Catalyst regeneration during cracking is achieved by_____
  2. Burning off the deposited coke with air blown into the regenerator
  3. Washing off the deposited coke with air blown into the regenerator
  4. Burning off the deposited poison with air blown into the regenerator
  5. Washing off the deposited poison with air blown into the regenerator

The answer is A. Burning off the deposited coke with air blown into the regenerator

 

 

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