The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is

Heat Transfer
The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is

63.8

71.2

48.7

77.2

63.8

71.2

48.7

77.2

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Heat Transfer
Correction is applied to LMTD for __________ flow.

None of these

Counter

Cross

Parallel

None of these

Counter

Cross

Parallel

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Heat Transfer
For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in

No effect on economy

Increased economy

Decreased economy

Lower capacity

No effect on economy

Increased economy

Decreased economy

Lower capacity

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Heat Transfer
The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the

Nusselt number

None of these

Heating volume

Heat transfer area

Nusselt number

None of these

Heating volume

Heat transfer area

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Heat Transfer
A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is

Counter flow with process stream on shell side

Parallel flow with process stream on shell side

Parallel flow with process stream on tube side

Counter flow with process stream on tube side

Counter flow with process stream on shell side

Parallel flow with process stream on shell side

Parallel flow with process stream on tube side

Counter flow with process stream on tube side

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Heat Transfer
When warm and cold liquids are mixed, the heat transfer is mainly by

none of the listed here

convection

conduction

radiation

none of the listed here

convection

conduction

radiation

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Heat Transfer

Heat Transfer Correction is applied to LMTD for __________ flow.

Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in

Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the

Heat Transfer A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is

Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by

Heat Transfer
Correction is applied to LMTD for __________ flow.

Heat Transfer
For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in

Heat Transfer
The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the

Heat Transfer
A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is

Heat Transfer
When warm and cold liquids are mixed, the heat transfer is mainly by