Fluid Flow

Question 1

Venturi meter is to be installed in a 100 mm line to measure the flow of water . The maximum flow rate is expected to be 75 cubic meter per hour .

a. Is the maximum manometer reading is to be 1.25 m and the venturi coefficient 0.98 what is the throat diameter ?
b. What will be the power to operate the meter at full load if the pressure recovery is 90% of the differential pressure?

Answer 1

Throat diameter 0. 988

0.32 kw

Question 2

An orifice meter equipped with flanged taps is to be installed to measure the flow rate of topped crude to a cracking unit.
Calculate diameter of orifice
Power loss

Answer 2

2. 23 in

1. 9 hp

Question 3

A pump draws a solution of specific gravity 1.84 from a storage tank through 3 inch schedule 40 pipe . What pressure must the pump develop ? What is the power of the pump ?

Answer 3

47. 9 pound force per inch square

3. 25 hp

Question 4

Ninety-eight percent sulfuric acid of viscosity 0.25 newton seconds per meter squared. Calculate the value of reynolds number

Answer 4

2572

Question 5

Calculate the ideal available energy produced by the discharge to atmosphere through a nozzle of a stored in a cylinder of capacity 0.1 m cube at a pressure of 5MN/m2?

Answer 5

-840 kj

Question 6

Two tanks the bottoms of which are at the same level are connected with one another by horizontal pipe 75 mm diameter and 300 m long . How long will it take before the water level in the large tank has fallen 6 m?

Answer 6

10590s

Question 7

Petroleum product of viscosity 0.5 mNs/m2. will it be suitable for use during the period required for the repairs ?

Answer 7

255.6Kn/m2

Satisfactory