Q1. Which Of The Following Is A Synonym For Loss Factor Of Food?

A) Loss Tangent
B) Dielectric Loss
C) All Of The Above
D) None Of The Mentioned

Answer – C) All Of The Above

• The Loss Factor Of Food Is Called Loss Tangent And Dielectric Loss. Dielectric Loss Quantifies A Dielectric Material’s Inherent Dissipation Of Electromagnetic Energy. Dielectric Loss Is The Dissipation Of Energy Through The Movement Of Charges In An Alternating Electromagnetic Field As Polarisation Switches Direction.

READ MORE – FOOD TECHNOLOGY (14/02/2021)

Q2. Any Food Item Should Be Subjected To Micro Frequencies Such That, The Dielectric Constant Is _____ And Loss Factor Is _____?

A) Maximum, Minimum
B) Maximum, Maximum
C) Minimum, Minimum
D) Minimum, Maximum

Answer – C) Minimum, Minimum

• Any Food Item Should Be Subjected To Micro Frequencies Such That, The Dielectric Constant Is Minimum And Loss Factor Is Minimum.

 Q3. One Disadvantage Of Microwave Cooking Is That The Energy Efficiency In This Process Is Less.

A) True
B) False

Answer – B) False

• Microwave Cooking Has Very High Energy Efficiency. Choosing To Cook With A Microwave Vs Oven Can Use From 30% To As Much As 80% Less Energy, According To ENERGY STAR.

READ MORE – FOOD TECHNOLOGY (24/02/2021)

Q4. Although Microwave Heating Can Be Used For Drying Of Food Containing Uneven Water Content, It Isn’t Done For Certain Food Products Like Garlic. Why?

A) No Pasteurization
B) Essential Oils Being Stripped Off
C) None Of The Mentioned
D) All Of The Above

Answer – B) Essential Oils Being Stripped Off

• For Drying Of Garlic, The Essential Oils Which Are The Volatile Components Of The Garlic Are Stripped Off From It.

Q5. Which Of The Following Is NOT A Part Of The Microwave Heating System?

A) Magnetron
B) Anode
C) Cathode
D) None Of The Mentioned

Answer – B) Anode

• The Cooking Surface Is Generally Made Of Ceramic Or Glass. Inside The Oven, Electromechanical Components And Controls Consist Of Timer Motors, Switches, And Relays. Also Inside The Oven Are The Magnetron Tube, The Waveguide, And The Stirrer Fan, All Made Of Metal.

READ MORE – FOOD TECHNOLOGY (03/04/2021)

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