The Prandtl Number approximates / » Thermal Engineering 2 solved MCQs / By admin Question: The Prandtl Number approximates A. momentum diffusivity to thermal diffusivity B. thermal diffusivity to momentum diffusivity C. shear stress to thermal diffusivity D. thermal diffusivity to kinematic viscosity Answer» a. momentum diffusivity to thermal diffusivity Note: The above multiple-choice question is for all general and Competitive Exams in India.