# The magnitude of water hammer depend on the

1.  Length of pipeline

2.  Speed at which the valve is closed

3.  Elastic properties of the liquid flowing through the pipe and pipe material

4.  All of these

4

All of these

Explanation :
No Explanation available for this question

# In parallel pipe problems,

1.  Pressure gradient remains through all the pipes

2.  Hydraulic gradient remains same through all pipes

3.  Head loss is same through each pipe

4

Explanation :
No Explanation available for this question

# The purpose of surge tank in a pipe line is to

1.  Smoothen the flow of water

2.  Minimize friction losses in pipe

3.  Prevent occurrence of hydraulic  jump

4.  Relieve pressure due to water hamm

4

Minimize friction losses in pipe

Explanation :
No Explanation available for this question

# Tranquil flow must always occur

1.  At normal depth

2.  Above normal depth

3.  Below normal depth

4.  Below critical path

4

Below critical path

Explanation :
No Explanation available for this question

# An air vessel is rovided at the summit in a syphon to

1.  Regulate the flow

2.  Increase discharge

3.  Increase velocity

4.  Avoid an interruption in the flow

4

Avoid an interruption in the flow

Explanation :
No Explanation available for this question

# To replace a compound pipe by a new pipe, the pipes will be equivalent when both the pipes have same

1.  Length and flow

2.  Diameter and flow

3.  Loss of head and flow

4.  Length and loss of head

4

Explanation :
No Explanation available for this question

# If the pressure at the inlet of a pipe is 90kg/cm2 and the pressure drop over the pipe line is 10kg/cm2, the efficiency of transmission is

1.  66.6%

2.  77.7%

3.  55.5%

4.  88.8%

4

88.8\%

Explanation :
No Explanation available for this question

# For pipe flows,at constant diameter, head is proportional to

1.  Flow

2.  (flow)2

3.  (flow)3

4.  (flow)-1

4

(flow)2

Explanation :
No Explanation available for this question

# A piezometer cannot be used for pressure measurement in ipes when

1.  Pressure difference is low

2.  Velocity is high

3.  Fluid in the pipe is a gas

4.  Fluid is highly viscous

4

Fluid in the pipe is a gas

Explanation :
No Explanation available for this question

1.  V

2.  1/V

3.  V2

4.  √V

4