The plate is stationary The plate is moving towards the jet at 0.8m/s

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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c) An 18mm diameter jet of water has a velocity of 4.5m/s and strikes a
plate angled at 60° to the flow of the jet. Calculate the force normal to the
plate if:
The plate is stationary
• The plate is moving towards the jet at 0.8m/s
d) A nozzle, which reduces from 45mm to 30mm in diameter,
discharges water at a rate of 30 L/s. If the pressure at the
entrance to the nozzle is 800 kPa and 50 kPa at the outlet,
determine the force on the nozzle.
e) A 600 mm diameter pipe carrying 0.9 m³/s of oil (RD 0.85)
has a 90° bend in the horizontal plane. The loss of head
due to the bend is 1 metre of oil and the pressure at the
start of the bend is 300kPa. Calculate the magnitude and
angle of the resultant force exerted by the oil on the bend.
Transcribed Image Text:c) An 18mm diameter jet of water has a velocity of 4.5m/s and strikes a plate angled at 60° to the flow of the jet. Calculate the force normal to the plate if: The plate is stationary • The plate is moving towards the jet at 0.8m/s d) A nozzle, which reduces from 45mm to 30mm in diameter, discharges water at a rate of 30 L/s. If the pressure at the entrance to the nozzle is 800 kPa and 50 kPa at the outlet, determine the force on the nozzle. e) A 600 mm diameter pipe carrying 0.9 m³/s of oil (RD 0.85) has a 90° bend in the horizontal plane. The loss of head due to the bend is 1 metre of oil and the pressure at the start of the bend is 300kPa. Calculate the magnitude and angle of the resultant force exerted by the oil on the bend.
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