Which number is defined as the ratio of momentum diffusivity to therma – McqOptions

MCQOPTIONS

1.	Which number is defined as the ratio of momentum diffusivity to thermal diffusivity?
A.	Prandtl number
B.	Nusselt number
C.	Reynold‚Äö√Ñ√∂‚àö√ë‚àö¬•s number
D.	Sherwood number
Answer» B. Nusselt number

Discussion

No Comment Found

Related MCQs

Nusselt number is the mass transfer analog of which number?
Advection is related to Convection.
Refer to Q7 and Q8 and calculate the mass-transfer coefficient by using the mass and heat transfer analogy.
Refer to Q7 and Calculate the value of Schmidt number (Sc).
Evaporation of n-propyl alcohol into carbon dioxide for the same geometrical arrangement of tube diameter (d) of 38 mm when the carbon dioxide flows at a maximum velocity (ug) of 10 m/s at 300 K and 1 atm. Properties of dilute mixtures of propyl alcohol in carbon dioxide at 300 K and 1 atm are: Molecular weight (M) = 44 gm/mole, density (ρ) = 1.8 kg/m3 , Viscosity (μ) = 1.49×10-5 kg/m.s, diffusivity (DAB) = 7.6×10-6 m2 /s and universal gas constant (R) = 8.314 J/mole.K. Estimate the Reynolds number.Nu = 0.453Re0.568 Pr0.36, where 10 < Re (= ρug d/μ)<106 and 0.7 < Pr < 500
Which number is analogous to Reynold’s number?
ADVECTION_IS_RELATED_TO_CONVECTION.?$
REFER_TO_Q7_AND_Q8_AND_CALCULATE_THE_MASS-TRANSFER_COEFFICIENT_BY_USING_THE_MASS_AND_HEAT_TRANSFER_ANALOGY.?$
Nusselt number is the mass transfer analog of which number?$
Refer to Q7 and Calculate the value of Schmidt number (Sc)?