1. Varies directly as velocity
2. Varies inversely as square of velocity
3. Varies directly as square of velocity
4. Varies inversely as velocity
Varies directly as square of velocity
1. Head loss through each pipe added to obtain the total head loss
2. Head loss is same through each pipe
3. Friction factor is assumed for each pipe
4. Flow increases
Head loss through each pipe added to obtain the total head loss
1. √head
2. Head
3. Head3/2
4. Head2
√head
1. d=D/n
2. d=D/n1/2
3. D/n3/2
4. D/n2/5
D/n2/5
1. Reynolds number (Re)
2. 1/Re
3. 4/Re
4. 16/Re
16/Re
1. (4fL/d).(v2/2g)
2. (4fL/πd2).(v2/2g)
3. v2/2g
4. (4fL/πd).(v2/2g)
(4fL/d).(v2/2g)
1. Same
2. More
3. Less
4. Unpredictable
Same
1. Same
2. More
3. Less
4. Unpredictable
Less
1. 2.4m above the hydraulic gradient
2. 6.4m above the hydraulic gradient
3. 10.0m above the hydraulic gradient
4. 5.0m above the hydraulic gradient
2.4m above the hydraulic gradient
1. Hydraulic grade line
2. Pressure head
3. Energy grade line
4. Head loss
Energy grade line