Heat Transfer Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter) 0.4 D 0.5 D 0.2 D 0.3 D 0.4 D 0.5 D 0.2 D 0.3 D ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat produced when a steady state current, I passes through an electrical conductor having resistance, 'R' is I2R None of the listed here IR IR2 I2R None of the listed here IR IR2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing bleed points in the evaporator is to Create vacuum Facilitate removal of non-condensable gases Admit the feed Remove the product Create vacuum Facilitate removal of non-condensable gases Admit the feed Remove the product ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Graetz Stanton None of these Peclet Graetz Stanton None of these Peclet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At high fluid velocity At low velocity When fluid flows past a smooth surface None of these At high fluid velocity At low velocity When fluid flows past a smooth surface None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for Sphere Cylinder Equal for all the three Cube Sphere Cylinder Equal for all the three Cube ANSWER DOWNLOAD EXAMIANS APP
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