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1) Determine the friction factor when water is flowing through a 1.5cm diameter pipe at a Velocity of 2cm/s.

2) CCl4 is running through a 3.5 cm diameter pipe. Suddenly it enters a pipe of diameter of 2cm.Velocity in the small diameter pipe is 2.5cm/s. find out the frictional loss due to sudden contraction of flow area.

3) find out NRe if fluid of specific gravity 1.1 and viscosity 0 .97 cp is flowing through a 3cm diameter pipe at a velocity 2m/s.

4) Give the function of fusible plug and economizer in a boiler.

5) describe working of water level indicator.

6) Draw the diagram of air pre-heater and mark the parts.

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