GATE MT 2023 Paper 1 — page 13

Questions 37–39 of 65. Imported answers require review unless explicitly marked reviewed.

Match the transport processes in Column I with the relationships in Column II.

Column I (P) Molecular momentum transport (Q) Molecular mass transport (R) Molecular energy transport (S) Radiation energy transport

Column II (1) Stefan-Boltzmann law (2) Newton’s law of viscosity (3) Fick’s law (4) Fourier law

Your answerChoose one option.

P – 2, Q – 3, R – 4, S – 1

P – 4, Q – 3, R – 2, S – 1

P – 3, Q – 1, R – 4, S – 2

P – 2, Q – 1, R – 4, S – 3

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For supersonic O

jet in basic oxygen furnace steelmaking, choose the correct combination from the following:

(1) Converging-diverging nozzle (2) Diverging-converging nozzle (3) O

velocity greater than sound velocity at nozzle throat (Mach number > 1) (4) O

velocity equal to sound velocity at nozzle throat (Mach number = 1) (5) Exit O

jet pressure ≥ atmospheric pressure (6) Exit O

jet pressure < atmospheric pressure

Your answerChoose one option.

(1), (4), (5)

(1), (3), (6)

(2), (3), (5)

(2), (4), (5)

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Elutriator is used to separate particles based on their sizes in flowing air as shown in the figure.

Assuming spherical particles, the diameter (D

) of the suspended particles which have 50% chance to report to overflow by turbulent air flow is expressed as

Your answerChoose one option.

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2023 · Paper 1