Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 1 2 0.5 1 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fouling factor Does not provide a safety factor for design None of these Is a dimensionless quantity Accounts for additional resistances to heat flow Does not provide a safety factor for design None of these Is a dimensionless quantity Accounts for additional resistances to heat flow ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat transfer by conduction in a hollow cylinder, __________ mean area is used to calculate the heat transfer rate. Either A, B or C Geometric Logarithmic Arithmetic Either A, B or C Geometric Logarithmic Arithmetic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is directly concerned with the heat transfer? Euler number Sherwood number Strouhal number Grashoff number Euler number Sherwood number Strouhal number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The energy radiated from a surface Q at absolute temperature T is related as Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these Q ∝ T² Q ∝ T³ Q ∝ T⁴ None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.) √d d d2 d1.5 √d d d2 d1.5 ANSWER DOWNLOAD EXAMIANS APP
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