Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Heat Transfer
Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Between two bodies not in physical contact with each other

From one part of a body to the another part of the same body

Both B & C

Between two bodies in physical contact with each other

Between two bodies not in physical contact with each other

From one part of a body to the another part of the same body

Both B & C

Between two bodies in physical contact with each other

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Heat Transfer
In pipe flow, heat is transferred from hot wall to the liquid by

Forced convection only

Free and forced convection

Forced convection and conduction

Conduction only

Forced convection only

Free and forced convection

Forced convection and conduction

Conduction only

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Heat Transfer
The driving potential for the crystal growth during crystallisation is the __________ of the solution.

Viscosity

Concentration

Super-saturation

Density

Viscosity

Concentration

Super-saturation

Density

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Heat Transfer
Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately

37

32

50

45

37

32

50

45

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Heat Transfer
A diathermaneous substance __________ the thermal radiation completely.

None of these

Transmits

Absorbs

Reflects

None of these

Transmits

Absorbs

Reflects

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Heat Transfer
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.

Linear

Logarithmic

Parabolic

Hyperbolic

Linear

Logarithmic

Parabolic

Hyperbolic

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Heat Transfer

Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Heat Transfer In pipe flow, heat is transferred from hot wall to the liquid by

Heat Transfer The driving potential for the crystal growth during crystallisation is the __________ of the solution.

Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately

Heat Transfer A diathermaneous substance __________ the thermal radiation completely.

Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.

Heat Transfer
Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place

Heat Transfer
In pipe flow, heat is transferred from hot wall to the liquid by

Heat Transfer
The driving potential for the crystal growth during crystallisation is the __________ of the solution.

Heat Transfer
Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately

Heat Transfer
A diathermaneous substance __________ the thermal radiation completely.

Heat Transfer
If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law.