- Mech_59
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408
Points
Questions
68
Answers
4
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Two large diffuse gray parallel plates, separated by a small distance, have surface temperature of 400 K and 300 K. …
- 465 views
- 1 answers
- 0 votes
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Two concentric spheres of diameters D1 = 0.5 m and D2 = 1 m are separated by an air space …
- 466 views
- 1 answers
- 0 votes
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Consider a hot, boiled egg in a spacecraft that is filled with air at atmospheric presssure and temperature at all …
- 462 views
- 1 answers
- 0 votes
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Air at 27°C and 1 atm flows over a flat plate at velocity of 2 m/s. Assume that the plate …
- 443 views
- 1 answers
- 0 votes
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A fluid flowing over a flat plate has the following properties : dynamic viscosity = 25 x 10^-6 kg/ms, specific …
- 449 views
- 1 answers
- 0 votes
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An aluminium sphere weighning 5.5 kg and initially at a temperature of 290°C is suddenly immersed in a fluid at …
- 842 views
- 1 answers
- 0 votes
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A metallic rod (k = 32 W/m°C), 10 mm in diameter and 80 mm long, with an insulated end is …
- 422 views
- 1 answers
- 0 votes
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What is the efficciency of a plate fin of length L = 1.5 cm and thickness 2 mm, (if k …
- 1K views
- 1 answers
- 0 votes
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It is required to heat oil to about 500°C for quenching purpose. A ladder is used in the furnace. The …
- 2K views
- 1 answers
- 0 votes
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A fin has 5 mm diameter and 100 mm length. The thermal conductivity of fin material is 400 Wm^-1K^-1. One …
- 1K views
- 1 answers
- 0 votes
