# Head loss in turbulent flow in a pipe

1.  Varies directly as velocity

2.  Varies inversely as square of velocity

3.  Varies directly as square of velocity

4.   Varies inversely as velocity

4

Varies directly as square of velocity

Explanation :
No Explanation available for this question

# In series pipe applications

2.  Head loss is same through each pipe

3.  Friction factor is assumed for each pipe

4.  Flow increases

4

Explanation :
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# For pipe flow, at constant diameter, capacity is proportional to

4

Explanation :
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# To replace a pipe of diameter D by n parallel pipes of diameter d, the formula used is

1.  d=D/n

2.  d=D/n1/2

3.  D/n3/2

4.  D/n2/5

4

D/n2/5

Explanation :
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# Loss of head due to friction in apipe of uniform diameter with viscus flow is equal to

1.  Reynolds number (Re)

2.  1/Re

3.  4/Re

4.  16/Re

4

16/Re

Explanation :
No Explanation available for this question

# The friction head lost due to flow of a viscous fluids through a circular pipe of Length L and diameter with a velocity v, and pipe friction factor ‘f’is

1.  (4fL/d).(v2/2g)

2.  (4fL/πd2).(v2/2g)

3.  v2/2g

4.  (4fL/πd).(v2/2g)

4

(4fL/d).(v2/2g)

Explanation :
No Explanation available for this question

# Energy loss in flow through nozzle as compared toventurimeter is

1.  Same

2.  More

3.  Less

4.  Unpredictable

4

Same

Explanation :
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# Head loss in case of hot water flow through a pipe compared to cold water flow will be

1.  Same

2.  More

3.  Less

4.  Unpredictable

4

Less

Explanation :
No Explanation available for this question

# To avoid vaporization in the pipe line , the pipe line over the ridge is laid such that it is not more than

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

4

Explanation :
No Explanation available for this question