Heat Transfer For a perfectly transparent surface (like gases), the Reflectivity = 0 Transmissivity = 1 All of these Absorptivity = 0 Reflectivity = 0 Transmissivity = 1 All of these Absorptivity = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in Decreased economy Lower capacity No effect on economy Increased economy Decreased economy Lower capacity No effect on economy Increased economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In natural convection heat transfer, the correlating parameter is the Grashoff number Graetz number Bond number Eckert number Grashoff number Graetz number Bond number Eckert number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. None of these Nature of the body Wavelength of radiation Temperature of the body None of these Nature of the body Wavelength of radiation Temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In thermal radiation for a black body (where, ε is emissivity and α is absorptivity) α ≠ 1, ε = 1 α = 1; ε ≠ 1 α ≠ 1, ε ≠ 1 α = 1; ε = 1 α ≠ 1, ε = 1 α = 1; ε ≠ 1 α ≠ 1, ε ≠ 1 α = 1; ε = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to Condense the steam flowing in the pipeline None of these Remove water resulting from partial condensation of steam Stop the supply of steam Condense the steam flowing in the pipeline None of these Remove water resulting from partial condensation of steam Stop the supply of steam ANSWER DOWNLOAD EXAMIANS APP
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