Heat Transfer Reynold's analogy states that NRe α f NNu α f Nst α NRe Nst α f NRe α f NNu α f Nst α NRe Nst α f ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Logarithmic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids Arithmetic mean temperature difference Logarithmic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids Arithmetic mean temperature difference ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as None of these Q ∝ T² Q ∝ T⁴ Q ∝ T³ None of these Q ∝ T² Q ∝ T⁴ Q ∝ T³ ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal diffusivity of a material Is defined as K/ρ . Cp Has the unit m² /sec All of these Is the ratio of thermal conductivity to thermal capacity Is defined as K/ρ . Cp Has the unit m² /sec All of these Is the ratio of thermal conductivity to thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Stefan-Boltzman's None of these Planck's Wien's displacement Stefan-Boltzman's None of these Planck's Wien's displacement ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits High fluidity Low density Abundance & high heat capacity Low viscosity High fluidity Low density Abundance & high heat capacity Low viscosity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS