Engineering Sciences
GATE XE discipline:engineering-sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 1221–1230 of 1772. Imported answers require independent review unless marked reviewed.
Question 18
Open questionXE-GMCQ2 marksNeeds review
During extrusion cooking, food materials are generally subjected to a combination of
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Open questionXE-GNAT2 marksNeeds review
The whole milk at 22 °C is pumped through a stainless steel pipe at a flow rate of 3 L s⁻¹. The length and inner diameter of the pipe are 40 m and 4 cm, respectively. If viscosity and density of the milk at the pumping temperature of 0.2 Pa s and 1032 kg m⁻³, respectively, the Reynolds number (rounded off to nearest integer) will be ______.
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A hammer mill, operating at a feed rate of 108 ton h⁻¹, consumes 10 kW power for reducing size of wheat grain from 3.2 mm to 1.25 mm. If Bond’s law holds good, the feed rate (round off to 2 decimal places) for reducing the size of the wheat grain to 0.75 mm at the same power consumption level is ______ ton h⁻¹.
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During spray drying of a milk sample, inlet and outlet temperatures are maintained at 132 °C and 80 °C, respectively. If the ambient temperature is 29 °C, the thermal efficiency (round off to 2 decimal places) of the dryer will be ______ %.
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An orange juice flowing at 0.80 kg s⁻¹ enters a counter current double pipe heat exchanger at 20 °C and leaves at 72 °C. Inlet and outlet temperatures of the hot water used as heating medium in the exchanger are 81 °C and 74 °C, respectively. The specific heat of the orange juice is 3.74 kJ kg⁻¹ K⁻¹ and overall heat transfer coefficient is 492 W m⁻² K⁻¹. The heat transfer surface area (round off to 2 decimal places) will be ______ m².
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 1
Open questionXE-HMCQ1 markNeeds review
In the northern hemisphere, the flow in the middle depths of the ocean is geostrophic. As we go down from that level and start approaching the bottom of the ocean, the flow deflects to the left of the geostrophic current because
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Which one of the following is the definition of a monsoon?
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Open questionXE-HMCQ1 markNeeds review
Anthropogenic emission of ______ is the main contributor to the ongoing ocean acidification.
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What are phytoplankton?
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Consider the two atmospheric virtual temperature profiles observed in Delhi given in Figures (i) and (ii) below.
At what times of the day are you most likely to see such profiles?
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