Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 0.001 to 1 120 to 400 0.5 to 5 0.6 to 120 0.001 to 1 120 to 400 0.5 to 5 0.6 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Prandtl number Reynolds number Grashhoff number none of the listed here Prandtl number Reynolds number Grashhoff number none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium. This is __________ law. Wien's displacement Planck's Kirchoffs Stefan-Boltzman Wien's displacement Planck's Kirchoffs Stefan-Boltzman ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation total Both total & monochromatic None of the listed here monochromatic total Both total & monochromatic None of the listed here monochromatic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Is almost independent of temperature Increases rapidly with temperature rise Is almost independent of pressure Both B and C Is almost independent of temperature Increases rapidly with temperature rise Is almost independent of pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
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