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