Q1. After Incipient Fluidization, The Pressure Briefly _____?

A) Increases
B) Decreases
C) Stays Constant
D) Varies Exponentially

Answer: (B) Decreases

• After Incipient Fluidization, The Pressure Briefly Decreases. This Is Because At Incipient Fluidization, The Particles Only Become Loose. They Aren’t In Contact With Each Other. They Don’t Start Rising Up. Hence, The Pressure Briefly Decreases. Once They Start Moving Up, The Pressure Increases.

READ MORE – FOOD TECHNOLOGY (07/03/2021)

Q2. Which Of The Following Dryers Cannot Take A Feed In The Form Of Pastes/Slurries/Sticky Items?

A) Drum Dryer
B) Screw Conveyor Dryer
C) Pneumatic Dryer
D) Spray Dryer

Answer: (C) Pneumatic Dryer

• In A Pneumatic Dryer, Feed In The Form Of Pastes/Slurries/Sticky Items Cannot Be Taken. In Pneumatic Dryers, In Which The Moist Solid Is Carried And Transported By The Drying Air While Being Dried.

READ MORE – FOOD TECHNOLOGY (27/03/2021)

Q3. Which Of The Following Is Also Called A Ring Dryer?

A) Pneumatic Conveyor Dryer
B) Drum Dryer
C) Freeze Dryer
D) Spray Dryer

Answer: (A) Pneumatic Conveyor Dryer

• Pneumatic Conveyor Dryer Is Also Called A Ring Dryer Because The Feed Is Made To Pass Through A Loop At One Point And Comes Back There. (Not Always-Depends On Drying)

READ MORE – FOOD SCIENCE (07/02/2021)

Q4. Which Of The Following Dryers Is Used For Making Baby Food?

A) Pneumatic Conveyor Dryer
B) Drum Dryer
C) Freeze Dryer
D) Spray Dryer

Answer: (B) Drum Dryer

• Drum Dryers Are Used For Making Baby Food Mostly Because They Take Feed In The Form Of Slurries. Drum Drying Is A Method Used For Drying Out Liquids From Raw Materials With A Drying Drum. In The Drum-Drying Process, Pureed Raw Ingredients Are Dried At Relatively Low Temperatures Over-Rotating, High-Capacity Drums That Produce Sheets Of Drum-Dried Product. This Product Is Milled To A Finished Flake Or Powder Form.

Q5. Coffee Powders Can Be Made From Which Of The Following Dryers?

A) Pneumatic Conveyor Dryer
B) Drum Dryer
C) Freeze Dryer
D) Spray Dryer

Answer: (D) Spray Dryer

• Coffee Powder Is Porous, Hygroscopic, And Low In Density. These Are The Desired Properties For A Spray Dryer.

READ MORE – FOOD TECHNOLOGY (17/02/2021)

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