Heat Transfer Value of Prandtl number for water ranges from 1000 to 2000 L to 2 5 to 10 100 to 500 1000 to 2000 L to 2 5 to 10 100 to 500 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 No effect on economy Increased economy Lower capacity Decreased economy No effect on economy Increased economy Lower capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 1 0.78 0.95 1 0.78 0.95 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 Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Exit fluid temperature = wall temperature Graetz number > 100 Exit-fluid temperature > wall temperature Exit fluid temperature < wall temperature Exit fluid temperature = wall temperature Graetz number > 100 Exit-fluid temperature > wall temperature Exit fluid temperature < wall temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m Kcal/hr.m.°C Kcal/hr. m² °C Kcal/hr. °C Kcal/hr.m ANSWER DOWNLOAD EXAMIANS APP
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