SLIET SET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII

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SLIET SET 2025
Question Paper ·
M.Tech Food Engg
SET-VII
EXAM YEAR TYPE SUBJECT

SLIET SET 2025 Question Paper M.Tech Food Engg SET-VII
INCLUDES

Answer Key

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SLIET SET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII

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PaperCode: 3005 Paper Name: 3005-M.TECH.(SET-VII) FOOD ENG & TECH(PG-FET) Set Name: Original

Q-1 In fruit juices, UV light penetration is generally 1mm for the absorption of

A 100% of light B 90% of light

C 80% of light D 70% of light
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Q-2 Which of the given fruit is considered as Climacteric?

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A Pineapple

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C Strawberry
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Q-3 Which of the enzyme can generally be used for the clarification?

A Ribonuclease B Lipase

C cellulase D Any of these

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The UV radiation comprises the application of radiation from electromagnetic spectrum. UV-A is categorised in the
range of
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A 200-280nm B 280-320nm

C 320-400nm D Any of these

Q-5 In Pulsed electric field (PEF) processing of liquid foods, high voltage pulses are applied for the duration of

A milli to micro seconds B micro to nano seconds

C milli to nano seconds D None of these

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Terminal velocity is
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Q-6

A
as Invariable velocity with no acceleration B
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Variable velocity with no acceleration

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C Invariable velocity with acceleration D Variable velocity with acceleration

Q-7 Heat transfer in liquids and gases is essentially due to

A conduction B radiation

C Convection D Conduction, convection and radiation

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Thermal processing of canned foods for C. botulinum, generally the ---------- concept is considered.
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Q-8

A 5D
s B Notes8D
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C 10D 12D
SLIETDSET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII

Q-9

A B

C D

Q-10 The minimum space between discs in the centrifugal separation is

A 0.2 to 0.4mm B 0.4 to 2mm

C 2 to 4mm D 4 to 10mm

Q-11 Modified Weber number, which is used to correlate homogenizing phenomenon when the flow behaviour is not known,
is given by

A τD/υ B σ/τD

C τD/σ D υ/τD

Q-12 A food gel requires a threshold level of stress to start the flow, and then it follows a linear stress–strain relationship.
This type of fluid is referred as

A Pseudo plastic B Bingham plastic

C Dilatant D Thixotropic

Q-13

A close to R₁ B close to R₂

C In the middle of R₁ and R₂ D Nothing to do with the position

Q-14 If a product having mass ‘m’ is rotated with an angular velocity ω, while the rpm of rotation is ‘n’ and distance of
globule from the axis of rotation is ‘R’ then the acceleration A due to centrifugal force can be obtained from

A A = g + mrω² B A = 4π²n²
R/(60)²
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SLIETDSET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII
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Q-15

A B

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Q-16 Conduction through hollow, radial, one dimensional heat transfer is expressed as

A 2 π l (T₁ + T₂)/ k(r₂- r₁) B 2 π l loge(T₁/T₂)/ k(r₂- r₁)

C 2 π l(T₁+ T₂)K/ loge(r₂/r₁) D 2π l(T₁- T₂)/ loge(r₂/ r₁)

Q-17 The heat flow through a sphere of inner radius r₁ and outer radius r₂ is to be written in same form as that for heat flow
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through a plane wall for wall thickness (r₂-r₁), then equivalent mean radius for spherical shell is

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A B

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Q-18 Prandtl number is the ratio of

A Momentum to thermal diffusivity B absolute viscosity to thermal diffusivity

C thermal diffusivity to kinematic viscosity D inertial forces to viscous forces

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Q-19 The total radiant energy incident upon a surface (Q) in term of radiant energy absorbed (Qa), radiant energy reflected

m
(Qr) and radiant energy transmitted (Qt) by the surface can be expressed as
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A Q = Qa + Qr - Qt B Q = Qa + Qr/Qt

g Q = Qa + Qr + Qt Q = Qa - Qr +Qta
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C D

Q-20 The approximate amount of steam required in a single effect evaporator to evaporate 1 lb of water from milk

A 0.6lb B 0.8lb

C 1.0lb D 1.2 lb

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Q-21 The verification in HACCP does not involve

A
s B NotesMock
Microbiological examinationFor more Question Papers, Sample Papers, recall
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C Chemical examination Random sampling
SLIETDSET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII

Q-22 Risk analysis does not involve

A Risk assessment B Risk communication

C Risk management D Risk prevention

Q-23 ISO 9001:2015 have got

A 10 clauses B 8 clauses

C 6 clauses D 12 clauses

Q-24 The manufacturing, testing and quality assurance guidelines to ensure safety of foods is generally covered under

A GLP B GHP

C GMP D Any of these

Q-25 The colorimeter generally works in the wavelength range of

A 200 to 760 nm B 400 to 760 nm

C 400 to 560 nm D >760 nm

Q-26 The red colour has got a wavelength of

A 450-500nm B 500-570nm

C 590 -620nm D 620-760nm

Q-27 The separation of different components of the volatile material in gas chromatography is due to the difference in

A Molecular weight B Conductivity

C Molarity D Partition coefficients

Q-28 Which of the following organization is considered as the founding member of ISO?

A BIS B FCI

C SEBI D FSSAI

Q-29 Z value of 10°C is equal to

A 50°C B 25°C

C 28°C D 18°C

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at2025 Question Paper with
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Q-30 In a commercial canning process, the heating is being done 115°C for microbial reduction of 12 log cycles. del

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factor is
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a A 27.64 B 12 ag
C 13.82 D 9.21

Q-31 Which of the following is exempted to use +F logo under FSS regulation 2018?

A Fortified rice B Fortified Salt

C Fortified wheat flour D Fortified oil
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Q-32

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The plastic packaging containers are given numbers, which are also referred as recycling number. It gives guidance
with respect to recycling. The number given to LDPE is
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A 1 ag B 2

C 3 D 4

Q-33 To provide freshness for a longer duration, wafers are packed with

A Oxygen B Helium

C Nitrogen D
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Nitrous oxide

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Q-34 In eggs, green rots are chiefly caused by

A Pseudomonas fluorescens B Lysteria monocytogens

C Cladosporium D All of these

Q-35 In meat, black spot is mainly produced by

A Rhizopus B Cladosporium

C Mucor D Thamnidium
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The modified sugars, generally found in cell walls of Gram positive bacteria contain N- acetylgucosamine (NAG) and N-

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Q-36

g
acetylmuramic acid (NAM). These are covalently linked by a
a A β- (1,6) glycosidic bond B α- (1,6) glycosidic bond

C α- (1,4) glycosidic bond D β- (1,4) glycosidic bond

Q-37 The reduction in off flavour of beer is practiced through

A Invertase B Limoninase

C Diacetyl reductase
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D RNase
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Correct Answer : C m
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SLIETthrough
Enzymes degrade, alter or synthesize a food component SET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII
Q-38

A Oxidation/reduction/isomerization B hydrolysis / synthesis

C Group transfer D All of these

Q-39 Total solids in the water to be used in the preparation of fruit juice beverages, must not exceed to

A 500ppm B 400ppm

C 300ppm D 200ppm

Q-40 Soft drinks are acidic, having pH of 2.5 to 4.0 with typical carbonation level of

A 1 volume B 3 volume

C 6 volume D 9 volume

Q-41 Which of the following is generally used as an oilseed and as well as pulse?

A Lentil B Pigeon pea

C soybean D Chickpea

Q-42 As per FAO (1994), pulses are classified into

A 9 codes B 10 codes

C 11 codes D 12 codes

Q-43 Which of the following is referred as pretreatment method?

A Splitting B Milling

C Polishing D None of these

Q-44 Melanoidins are the result of

A Maillard reaction B Carmelization

C Enzymatic browning D All of these

Q-45 Final stage of Maillard reaction covers

A Condensation and dehydration B Fragmentation

C Polymerisation D All of these

Q-46 During irradiation, the most susceptible component of colour is myoglobin, which is

A Flavonoid B Hydroxyl-carotenoid
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SLIETDSET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII
s
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Colour change during irradiation is more pronounced in
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Q-47

A Whole meat B Ground meat

C Equally pronounced in ground and whole D Marinated meat
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Q-48 Ohmic heating is possible in foods when electric conductivity(σ ) value is

A < 0.01 S/m
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C In between 0.01 - 10S/m
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Q-49 The length: diameter ratio of the barrel for single screw extruder is in between

A 2:1 to 20:1 B 2:1 to 25:1

C 2:1 to 35:1 D 2:1 to 45:1

During the crystallization process, the cleaning action of __________ stops the encrustation of crystals and thereby
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A vibrations B cavitation

C shearing
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Q-51 An amount is invested at 10% per annum compound interest for 2 years, and the interest earned is Rs. 840. What is
the principal amount?

A Rs. 3500 B Rs. 4500

C Rs. 4000 D Rs. 5000

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Q-52 In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less
than B. A's speed is:
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a Correct Answer : A

Q-53 Fill the blank in the middle of the following series.
SCD, TEF, UGH, ____, WKL

A CMN B UJI

C VIJ D IJT

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Q-54 The Chandrayaan 3 mission’s rover is known as
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A PSLV Pragyaan
SLIETBSET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII
C Dhruv D Vikram

Q-55 We were very tired, So we _______ early.

A Leave B Leaving

C Left D Lost

Q-56

A If λ=5, then system has unique solution B If λ=5, then system has infinitely many
solutions

C If λ=5, then system has no solution D System is inconsistence for any value of λ

Q-57

A 0 B 1

C -2 D 2

Q-58

A 2.40 B 2.33

C 2.12 D 2.50

Q-59

A 31/3 B 35/3

C 37/3 D 38/3

Q-60

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SLIETBSET 2025 Question Paper with Answer Key M.Tech Food Engg SET-VII
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