Heat Transfer A body is called grey if the monochromatic emissivity of the body is Zero Different for all wavelengths Same for all wavelengths Unity Zero Different for all wavelengths Same for all wavelengths Unity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Critical value of the __________ number governs the transition from laminar to turbulent flow in free convection heat transfer. Reynolds Grashoff Prandtl & Grashoff Both A & B Reynolds Grashoff Prandtl & Grashoff Both A & B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is IR2 I2R None of the listed here IR IR2 I2R None of the listed here IR ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Increase temperature None of these Remove condensate Increase pressure Increase temperature None of these Remove condensate Increase pressure 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 The steam ejector is used to Superheat the steam Remove condensate from the steam pipelines Create vacuum None of these Superheat the steam Remove condensate from the steam pipelines Create vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
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