Heat Transfer A perfect black body is a perfect __________ of radiation absorber emitter Both emitter & absorber none of the listed here absorber emitter Both emitter & absorber none of the listed here 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 Equal for all the three Cube Sphere Cylinder Equal for all the three Cube Sphere Cylinder ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following accessories is provided in the vapor line of an evaporator for removing the entrained liquid ? Catchall Vent None of the listed here Bleed point Catchall Vent None of the listed here Bleed point ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, fouling factor is expressed in W/m²°K m²°K/W m²°K m°K/W W/m²°K m²°K/W m²°K m°K/W ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the unit of thermal conductivity ? Kcal/hr.m.°C Kcal/hr. °C Kcal/hr.m Kcal/hr. m² °C Kcal/hr.m.°C Kcal/hr. °C Kcal/hr.m Kcal/hr. m² °C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Transmits None of these Reflects Absorbs Transmits None of these Reflects Absorbs ANSWER DOWNLOAD EXAMIANS APP
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