Heat Transfer Prandtl number is the ratio of Thermal diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Thermal diffusivity to mass diffusivity Thermal diffusivity to momentum diffusivity Momentum diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The critical radius 'r' of insulation on a pipe is given by r = 2k/h r = h/k r = k/2h r = k/h r = 2k/h r = h/k r = k/2h r = k/h ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is Linear None of these Hyperbolic Parabolic Linear None of these Hyperbolic Parabolic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Both A & B CO₂ Neither A nor B Dissolved O₂ Both A & B CO₂ Neither A nor B Dissolved O₂ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fluid motion in the natural convection heat transfer between a solid surface and a fluid in contact with it, results from the Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer Temperature gradient produced due to density difference None of these Buoyancy of the bubbles produced at active nucleation site Existence of thermal boundary layer Temperature gradient produced due to density difference None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer According to Reynolds analogy, Stanton number is equal to f/2 2f f f/4 f/2 2f f f/4 ANSWER DOWNLOAD EXAMIANS APP
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