1. Zero
2. Negligibly low value
3. The extent such that vapours formation starts
4. None of these
The extent such that vapours formation starts
1. No lift force
2. Some lift foce
3. Lift force in vertically down ward direction
4. Lift force in vertically upward direction
No lift force
1. Experimentation i s required for the simplest flow cases
2. Newton’s law of viscosity applies
3. Fluid particles move in irregular and haphazard paths
4. Viscosity is unimportant
Newton’s law of viscosity applies
1. V.4P/v
2. V.P/v
3. V.2P/4v
4. V.P/4v
5. Where V= mean velocity V=kinetic viscosity P= ratio of cross section area to the wetted perimeter
V.2P/4v
1. 1000kg/cm3
2. 2100kg/cm3
3. 2700kg/cm3
4. 21,000kg/cm3
21,000kg/cm3
1. Expanding tube at an increasing rate
2. Expanding tube at constant rate
3. Long pipe at decreasing rate
4. Long pipe at decreasing rate
Long pipe at decreasing rate
1. x
2. x2
3. x1/2
4. x4/5
x1/2
1. x4/5
2. x5/4
3. x2/5
4. x5/3
x4/5
1. Isentropic
2. Laminar
3. Turbulent
4. Vortex
Laminar
1. Constant over the cross section
2. Maximum at the mid plane and varies linearly with distance from mid plane
3. Zero at the midpoint and varies linearly with distance from mid plane
4. Zero at the plates and varies exponentially to mid point’
Zero at the midpoint and varies linearly with distance from mid plane