1. Outer radius which gives maximum heat flow
2. Outer radius which gives minimum heat flow
3. Inner radius which gives minimum heat flow
4. Inner radius which gives maximum heat flow
Outer radius which gives maximum heat flow
1. Reynolds number
2. Prandtl number
3. Place lent number
4. Stanton number
Place lent number
1. 10-4 meters
2. 10-6 meters
3. 10-8 meters
4. 10-12 meters
10-6 meters
1. If a physical body is impermeable to any kind of rays
2. If the parts of a body are not in motion relative to one another
3. If the bodies are kept in vacuum
4. If the temperature of the two bodies are identical
If the temperature of the two bodies are identical
1. Parabolic
2. Linear
3. Logarithmic
4. Cubic
Linear
1. 7000 C
2. 6800 C
3. 5000 C
4. 3600 C
6800 C
1. Solid ice
2. Water
3. Steam
4. Superheated steam
Solid ice
1. Zeroth law of thermodynamics
2. First law of thermodynamics
3. Second law of thermodynamics
4. Kirchhoff’s law
Second law of thermodynamics
1. 2000
2. 1600
3. 1200
4. 800
1600
1. 45km/hr
2. 10m/sec
3. √21 m/sec
4. 11m/sec
11m/sec