GATE XE topic:engineering PYQs & Answers — Page 158

Questions 1571–1580 of 1772. Imported answers require independent review unless marked reviewed.

Topic practice 1772 questionsPage 158 of 178

For an enzyme catalyzed reaction S ➞ P, the kinetic parameters are: [S] = 40 μM, V₀ = 9.6 μM s^ and V_ = 12.0 μM s^. The Kₘ of the enzyme in μM will be ______.(up to one decimal points)

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A microbial sample taken at 10 AM contained 1x10^5 CFU/mL. The count reached to 1x10^ CFU/mL at 8 PM of the same day. The growth rate (h^) of the microorganism would be ______.(up to two decimal points)

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Black pepper is ground from an equivalent particle size of 6 mm to 0.12 mm using a 10 hp motor. Assuming Rittinger’s equation and that 1 hp = 745.7 W, the power (hp) of motor required to fine grind black pepper to 0.08 mm would be ______.(up to two decimal points)

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Green pea (average diameter 0.8 cm) is frozen in a blast freezer operating at -40°C and with a surface heat transfer coefficient of 30 W m^ K^. The thermal conductivity of pea is 2.5 W m^ K^, and latent heat of crystallization is 2.74 x 10^2 kJ kg^. If the freezing point of pea is -1°C and the density is 1160 kg m^, the freezing time in minutes will be ______.(up to two decimal points)

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The rate of heat transfer from a metal plate is 1000 W m^. The surface temperature of the plate is 120°C and ambient temperature is 20°C. The convective heat transfer coefficient (W m^ °C^) using the Newton’s law of cooling will be ______.

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The most abundant gas in the atmosphere among inert gases is

Your answerChoose one option.

Helium

Argon

Neon

Krypton

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The pair of variables that always exhibit monotonic decrease with height in the atmosphere is

Your answerChoose one option.

Pressure, Temperature

Pressure, Ozone concentration

Air Density, Pressure

Temperature, Water Vapour

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Correct order of the maximum vertical extent of atmospheric circulation cells is

Your answerChoose one option.

Hadley > Ferrel > Polar

Polar > Hadley > Ferrel

Hadley > Polar > Ferrel

Ferrel > Hadley > Polar

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Analysis of an atmospheric variable shows prominent modes at 5, 40 and 1460 days. These modes correspond respectively to

Your answerChoose one option.

Tidal, MJO and ENSO

Synoptic, MJO and ENSO

Synoptic, MJO and Decadal

Tidal, Milankovich and ENSO

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Atmospheric vertical profile of temperature is measured by radiosonde. Equivalent instruments for measuring ocean temperature profile among the following are: (P) drifting buoy (Q) ARGO float (R) current mooring (S) XBT

Your answerChoose one option.

Q, R, S

Q, S

R, S

P, R, S

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GATE XE topic:engineering PYQs

Question 18

Question 19

Question 20

Question 21

Question 22

Question 1

Question 2

Question 3

Question 4

Question 5