1. are parallel
2. cut at any angle
3. are orthogonal everywhere in the flow field
4. cut orthogonally except at the stagnation points
are orthogonal everywhere in the flow field
1. 0.5 cos x + 1.5 sin x
2. 1.5 cos x + 0.5 sin x
3. 1.5 sin x
4. 0.5 cos x
0.5 cos x + 1.5 sin x
1. Translation only
2. Translation and rotation
3. Translation and deformation
4. Deformation only
Translation and rotation
1. Depends upon the shape of the control volume
2. Translation and rotation
3. Translation and deformation
4. Deformation only
Translation and deformation
1. Fluid is in continuum
2. Fluid is irrotational
3. Fluid is ideal
4. Fluid is compressible
Fluid is irrotational
1. ∞
2. 2
3. 1
4. 0
0
1. the average distance perpendicular to the mean flow covered by the mixing particles
2. the ratio of mean free path to characteristic length of the flow field
3. the wavelength corresponding to the lowest frequency present in the flow field
4. the magnitude of turbulent kinetic energy
the average distance perpendicular to the mean flow covered by the mixing particles
1. 0
2. 1
3. 2
4. &infi;
5. none
2
1. 1/100 th the difference between normal boiling point and normal freezing point of water
2. 1/273.15 th the normal freezing point of water
3. 100 times the difference between the triple point of water and the normal freezing point of water
4. 1/273.16 th of the triple point of water
1/273.16 th of the triple point of water
1. e5t
2. e-5t
3. 5 e-5t
4. e√-5t
e-5t