GATE XE format:msq PYQs & Answers — Page 14

Questions 131–140 of 145. Imported answers require independent review unless marked reviewed.

Topic practice 145 questionsPage 14 of 15

Atmospheric air with Dry Bulb Temperature (DBT) of 24°C and Relative Humidity of 35%, entering in a circular duct (assume no pressure drop in the duct) is heated by an electrical resistance arrangement inside the duct. The DBT of air measured at the outlet of the duct is equal to 30°C. Considering the flow to be steady, which of the following statements(s) is (are) correct as regards to the outlet air, with respect to the inlet air?

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There is no change in the Relative Humidity

There is no change in the Dew Point Temperature

There is no change in the Specific Humidity

There is no change in the Specific Enthalpy

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Which of the followings are correct pair of GRAS chemical food preservative, affected organism and given food matrix?

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Sodium lactate-Bacteria-Pre-cooked meats

Capylic acid-Insects-Cheese wraps

Dehydroacetic acid-Molds-Squash

Sodium nitrite-Clostridia-Meat curing preparations

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Choose the correct pair of pigment and their corresponding color in given plant product.

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Carotene - Yellow-orange-Pepers

Betanin – Purple/red-Catus pear

Lycopene – Red-Red beets

Flavolans – Orange-Cauliflower

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Which of the following compounds act as anti-nutritional factors?

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Phytate

Isoflavones

Typsin Inhibitor

Resveratrol

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Which of the followings is/are commonly used medium/media in the supercritical fluid extraction of spices and tea?

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Water

Carbon dioxide

Dichloromethane

Carbon dioxide with Ethanol

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Which of the following expressions represent the Reynolds number of a fluid flowing through a uniform circular cross section pipe?

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(density of the fluid) × (average velocity of the fluid) × (internal diameter of the pipe) / (dynamic viscosity of the fluid)

(average velocity of the fluid) × (internal diameter of the pipe) / (kinematic viscosity of the fluid)

(dynamic viscosity of the fluid) / [(average velocity of the fluid) × (density of the fluid) × (internal diameter of the pipe)]

(kinematic viscosity of the fluid) / [(average velocity of the fluid) × (internal diameter of the pipe)]

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Which of the following combinations of analytical equipment, property measured and food property are correct?

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Particle size analyzer - particle size distribution - span value

Texture profile analyzer - morphology - chewiness

Differential scanning calorimeter - glass transition temperature - degree of cakeing

Capillary viscometer - viscosity - sensory

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Choose the correct pair(s) of Governing Law and corresponding application(s)

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Hagen Poiseuille law - Pressure drop

Rittinger’s law - Vapor pressure

Stefan Boltzmann law - Radiation heat transfer

Raoult’s law - Size reduction

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Over the open ocean, if the air sea temperature difference is zero, then which of the following statements is/are always true?

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Sensible heat flux is zero.

Latent heat flux is zero.

Momentum flux is zero.

Net energy flux is zero.

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The psychrometric equation, which is useful in measuring humidity, is derived assuming the following process(es).

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Isobaric process

Isothermal process

Adiabatic process

Isentropic process

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GATE XE format:msq PYQs

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Question 6

Question 7