1. Greater for parallel flow heat exchanger than for counter flow heat exchanger.
2. Greater for counter flow heat exchanger than for parallel flow heat exchanger.
3. Same for both parallel and counter flow heat exchangers.
4. Dependent on the properties of the fluids.
Greater for counter flow heat exchanger than for parallel flow heat exchanger.
1. no solution
2. a unique solution
3. multiple solutions
4. none
a unique solution
1. only one stationary point at (0,0)
2. two stationary points at (0,0) and(1/6,1/3)
3. two stationary points at (0,0) and (1,-1)
4. no stationary point
two stationary points at (0,0) and(1/6,1/3)
1. 8/13
2. 13/64
3. 119/128
4. 9/128
8/13
1. 0.3
2. 0.5
3. 0.7
4. 0.9
0.3
1. a dummy source of capacity 40 units is needed
2. a dummy destination of capacity 40 units is needed
3. no solution exists as the problem is infeasible
4. none solution exists as the problem is degenerate
a dummy destination of capacity 40 units is needed
1. Beta with mean 10 and standard deviation 2
2. Beta with mean 12 and standard deviation 2
3. Normal with mean 10 and standard deviation 3
4. Normal with mean 12 and standard deviation 3
Beta with mean 12 and standard deviation 2
1. a Flange coupling
2. an Oldham’s coupling
3. a Flexible bush coupling
4. a Hooke’s joint
a Hooke’s joint
1. The maximum compressive stress (static)
2. The maximum tensile (static)
3. The maximum bending moment (static)
4. Fatigue loading
Fatigue loading
1. Spur gearing
2. Worm gearing
3. Bevel gearing
4. Helical gearing
Worm gearing