Sugar Organic Compound MCQs

SUGAR INDUSTRY

The procedure of precipitation of calcium carbonate from juice is known as

  1. Sulphitation
  2. Phosphatation
  3. Carbonation
  4. Defecation

Carbonation

 

The procedure of addition of crystals of to concentrated syrup is known as sugar

  1. Sulphitation
  2. Carbonation
  3. Defecation
  4. Seeding

Seeding

 

Which of the following are by-products of sugar industry?

  1. Filter mud
  2. Molasses
  3. Bagasse
  4. All of these

 

The juice is allowed to boil at lower temperatures to protect the sugar from which process?

  1. Hardening
  2. Caramelization
  3. Solubility in water
  4. Dewatering

Caramelization

 

Which of the following is mixed with warm affination syrup (a solution of water and sugar) to loosen the molasses surrounding the raw sugar crystals is known as

  1. Raw sugar
  2. Clarified sugar
  3. Refined Sugar
  4. Magma

Magma

 

Which of the following remove the remaining color, producing a water-white sugar syrup

  1. Refining
  2. Centrifuge
  3. Carbon filters
  4. Annealing

Carbon filters

 

 

Which of the following is helpful and used to deliver the driving force in some filters

  1. Gravitational force
  2. Rotational force
  3. Centrifugal force
  4. Centripetal force

Centrifugal force

 

 

The screened juice is treated with lime for which purpose?

  1. Increase the pH
  2. Coagulated the colloidal impurities
  3. Crystalize the sucrose
  4. Both a & c

Both a & c

 

Ca (OH)2 convert soluble cane juice into insoluble salts of sugar

  1. Proteins
  2. Waxes
  3. Chlorophyll
  4. Organic acids

Organic acids

If the difference in boiling points is not greater than 25°C, then separation of a mixture into its component parts will be performed with

  1. Sublimation
  2. Fractional distillation
  3. Fractional filtration
  4. Distillation

Fractional distillation

 

 

Waste from sugar industries like molasses is helpful and used for manufacturing of

  1. Ethyl acetate
  2. Ethyl alcohol
  3. Benzene
  4. Acetone

Ethyl alcohol

 

Waste from sugar industries like baggas is helpful and used for the manufacturing of

  1. Leather
  2. Solvents
  3. Paints
  4. Paper

Paper

 

Which of the following is the raw material of sugar industry?

  1. Sugar cane
  2. Sugar beat
  3. Potato
  4. All of these

All of these

 

What is the first step of formation of sugar?

  1. Washing
  2. Clarifying
  3. Cutting
  4. Extraction

Washing

 

 

The liquor is screened to exclude material.

  1. Polymers
  2. Residual
  3. Fibrous
  4. None of these

Fibrous

 

Granulated sugar includes ____

  1. Glucose
  2. Sucrose
  3. Fructose
  4. Maltose

Sucrose

 

Granulated sugar contains what % Sucrose?

  1. 75
  2. 60
  3. 99.93
  4. 80

99.93

 

Granulated sugar also known as

A White Sugar

  1. Brown sugar
  2. Caster Sugar
  3. Refined Sugar

White Sugar

 

How many sugar mills are currently installed in Pakistan?

  1. 58
  2. 78
  3. 88
  4. 68

78

 

Which steps is related with sugar manufacturing?

  1. Juice purification
  2. Juice concentration
  3. Juice extraction
  4. All of these

All of these

 

Which techniques is involved to remove soluble and insoluble impurities from juice?

  1. Filtration
  2. Phosphatation
  3. Defecation
  4. Sulphitation

Defecation

 

The procedure of addition of phosphoric acid and lime to hot juice is known as

  1. Phosphatation
  2. Filtration
  3. Defecation
  4. Sulphittaion

Phosphatation

 

 

The procedure of SO2 to heated lime juice is known as

  1. Defecation
  2. Sulphitation
  3. Phosphatation
  4. Filtration

Sulphitation

 

All of these

 

Sugar crystals impregnated with thick syrup/molasses is known as

  1. Molasses
  2. Massecuite
  3. Raw sugar
  4. All of these

Massecuite

 

The sugar obtained from centrifugation is known as

  1. Raw sugar
  2. Refined sugar
  3. Massecuite
  4. Molasses

Raw sugar

 

The procedure of removing the thin layer of syrup from the sugar is known as

  1. Defecation
  2. Affination
  3. Sulphitation
  4. Carbonation

Affination

 

The major carbohydrate of sugarcane is

  1. Fructose
  2. Sucrose
  3. Glucose
  4. Maltose

Sucrose

 

For the evaporation of liquids that are heat sensitive, Which evaporators are helpful and used?

  1. Horizontal tube
  2. Vacuum
  3. Open Pan
  4. Vertical tube

Vacuum

 

Efficiency of the heat exchanger equipment depend upon which of the following?

  1. parallel flow of both liquids
  2. mixed flow pattern
  3. the heat transfer coefficients
  4. None of these

the heat transfer coefficients

 

The procedure consists of mixing the sugar with a saturated syrup to soften the adhering film of molasses is known as

  1. Defecation
  2. Sulphonation
  3. Affination
  4. Carbonation

Affination

 

Rotary vacuum filters are expensive, but they deliver _________.

  1. greater costs of maintaining
  2. mechanical strength to the equipment
  3. a considerable degree of mechanization and convenience
  4. economics to attaining the pressure

a considerable degree of mechanization and convenience

 

The extracted sugarcane juice is filtered and screened to remove which of the following?

  1. Floating impurities
  2. Dissolved impurities
  3. Suspended impurities
  4. All of these

Floating impurities

 

Sucrose is a disaccharide consist of two monosaccharide

  1. Glucose and glactose
  2. Glucose and fructose
  3. Glucose and glucose
  4. Glucose and lactose

Glucose and fructose

 

Treatment of sugar cane juice with lime is known as

  1. Washing
  2. Affination
  3. Defecation
  4. Steeping

Defecation

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