Heat Transfer Heat transfer by __________ may not necessarily require the presence of a medium radiation none of the listed here coduction natural convection radiation none of the listed here coduction natural convection 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 Cube Equal for all the three Sphere Cylinder Cube Equal for all the three ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If heat transfer rate varies with the time, it is termed as Forced convection None of these Monochromatic radiation Steady state conduction Forced convection None of these Monochromatic radiation Steady state conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 24000 48000 60000 6000 24000 48000 60000 6000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is >1 1 Zero <1 >1 1 Zero <1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. 1 1.49 4.88 None of these 1 1.49 4.88 None of these ANSWER DOWNLOAD EXAMIANS APP
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