Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

Heat Transfer
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

Finned tube heat exchanger with air inside and steam outside

Finned tube heat exchanger with air outside and steam inside

Shell and tube heat exchanger with air inside tubes and steam on shell side

Shell and tube heat exchanger with air on shell side and steam inside tubes

Finned tube heat exchanger with air inside and steam outside

Finned tube heat exchanger with air outside and steam inside

Shell and tube heat exchanger with air inside tubes and steam on shell side

Shell and tube heat exchanger with air on shell side and steam inside tubes

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Heat Transfer
Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.

1 to 100

0.5 to 50

100 to 1000

10 to 100

1 to 100

0.5 to 50

100 to 1000

10 to 100

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Heat Transfer
Heat transfer rate per unit area is called

heat transfer co-efficient

thermal conductivity

heat flux

thermal diffusivity

heat transfer co-efficient

thermal conductivity

heat flux

thermal diffusivity

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Heat Transfer
Pick out the correct equation.

JH = (St)2/3(Pr) = f/2

JH = (St)(Pr)2/3 = f/2

JH = (St)(Pr)1/3 = f/2

JH = (St)1/3(Pr) = f/2

JH = (St)2/3(Pr) = f/2

JH = (St)(Pr)2/3 = f/2

JH = (St)(Pr)1/3 = f/2

JH = (St)1/3(Pr) = f/2

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Heat Transfer
Steam trap is used to

Condense the steam flowing in the pipeline

Stop the supply of steam

None of these

Remove water resulting from partial condensation of steam

Condense the steam flowing in the pipeline

Stop the supply of steam

None of these

Remove water resulting from partial condensation of steam

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Heat Transfer
Multiple effect evaporation is generally recommended, when the

Evaporation on small scale is to be done

Large scale evaporation of liquor is needed

Fuel is cheaply available

Corrosive liquids are to be concentrated

Evaporation on small scale is to be done

Large scale evaporation of liquor is needed

Fuel is cheaply available

Corrosive liquids are to be concentrated

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Heat Transfer

Heat Transfer Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.

Heat Transfer Heat transfer rate per unit area is called

Heat Transfer Pick out the correct equation.

Heat Transfer Steam trap is used to

Heat Transfer Multiple effect evaporation is generally recommended, when the

Heat Transfer
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is

Heat Transfer
Electro-magnetic spectrum range, which is important for radiation varies from __________ microns.

Heat Transfer
Heat transfer rate per unit area is called

Heat Transfer
Pick out the correct equation.

Heat Transfer
Steam trap is used to

Heat Transfer
Multiple effect evaporation is generally recommended, when the