Heat Transfer The statement that "maximum wavelength of radiation is inversly proportional to the temperature" is __________ law. Wien's displacement None of these Stefan-Boltzman's Planck's Wien's displacement None of these Stefan-Boltzman's Planck's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Conductance is given by(where, x = thickness, A = heat flow area, K = thermal conductivity.) X/KA KA/x K/Ax A/Kx X/KA KA/x K/Ax A/Kx ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T³ Q ∝ T⁴ None of these Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these Q ∝ T² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is > 1 < 1 None of these 1 > 1 < 1 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.95 1 0.78 0.95 1 0.78 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum absorptivity? Iron plates Aluminium foil Coal dust Refractory bricks Iron plates Aluminium foil Coal dust Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
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