Heat Transfer Low thermal conductivity of heat insulating materials is due to its High specific heat High proportion of air space Dense structure None of these High specific heat High proportion of air space Dense structure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer thermal boundary layer lies inside the concentration boundary layer none of the listed here thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Increase by 216 Remain unchanged Increase by 1.8 times Decrease by 22 Increase by 216 Remain unchanged Increase by 1.8 times Decrease by 22 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Double pipe Plate fine None of the listed here Series and parallel set of shell and tube Double pipe Plate fine None of the listed here Series and parallel set of shell and tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Low density Low viscosity Abundance & high heat capacity High fluidity Low density Low viscosity Abundance & high heat capacity High fluidity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution. Super-saturation Viscosity Density Concentration Super-saturation Viscosity Density Concentration ANSWER DOWNLOAD EXAMIANS APP
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