For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy

Heat Transfer
For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy

d²T/dZ² > 0

d²T/dZ² < 0

d²T/dZ² = 0

dT/dZ = 0

d²T/dZ² > 0

d²T/dZ² < 0

d²T/dZ² = 0

dT/dZ = 0

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Heat Transfer
Steam traps are provided in steam carrying pipelines to

release excess steam pressure by bleeding steam.

condense steam

remove condensate and inert gases

none of the listed here

release excess steam pressure by bleeding steam.

condense steam

remove condensate and inert gases

none of the listed here

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Heat Transfer
The thermal boundary layer at NPr > 1

And the hydrodynamic boundary layer are identical

Is thicker than hydrodynamic boundary layer

Disappears

Is thinner than hydrodynamic boundary layer

And the hydrodynamic boundary layer are identical

Is thicker than hydrodynamic boundary layer

Disappears

Is thinner than hydrodynamic boundary layer

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Heat Transfer
Reynold's analogy states that

NNu α f

Nst α NRe

NRe α f

Nst α f

NNu α f

Nst α NRe

NRe α f

Nst α f

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Heat Transfer
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Brinkman

Stantan

Grashoff

Condensation

Brinkman

Stantan

Grashoff

Condensation

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Heat Transfer
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is

3.66

88.66

1.66

Dependent on NRe only

3.66

88.66

1.66

Dependent on NRe only

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Heat Transfer

Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy

Heat Transfer Steam traps are provided in steam carrying pipelines to

Heat Transfer The thermal boundary layer at NPr > 1

Heat Transfer Reynold's analogy states that

Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Heat Transfer The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is

Heat Transfer
For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy

Heat Transfer
Steam traps are provided in steam carrying pipelines to

Heat Transfer
The thermal boundary layer at NPr > 1

Heat Transfer
Reynold's analogy states that

Heat Transfer
A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.

Heat Transfer
The Nusselt number for fully developed (both thermally and hydrodynamically) laminar flow through a circular pipe whose surface temperature remains constant is