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IMPORTANT
Before you start please read the following instructions
carefully.
1. This assignment forms part of the formal assessment for this
module. If
4. you fail to reach the required standard for the assignment then
you will be
allowed to resubmit but a resubmission will only be eligible for
a Pass
grade, not a Merit or Distinction.
You should therefore not submit the assignment until you are
reasonably
sure that you have completed it successfully. Seek your tutor's
advice if
unsure.
2. Ensure that you indicate the number of the question you are
answering.
3. Make a copy of your answers before submitting the
assignment.
4. Complete all details on the front page of this TMA and return
it with
the completed assignment including supporting calculations
where
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5. Your tutor’s comments on the assignment will be posted on
7. its radius of gyration about the axis a–a.
4. (a) What is the formula for calculating the pressure due to the
height of
liquid?
(b) Name two devices which make use of this formula when
used for
pressure measurement.
15 mm
15 mm
45 mm
20 mm
50 mm
a a
5 mm5 mm
5 mm 5 mm
5 mm 5 mm
5 mm 5 mm
5 mm
3
9. 5. A concrete vessel containing water has a square seal gate,
hinged at the
top, blocking off the outflow of a large reservoir as shown
below.
(i) Calculate the total moment about the hinge of the seal gate.
(ii) To allow the water out, a circular hydraulic ram of area 0.04
m2 is to
be used to open the hatch. The centre of the ram is situated 0.1
m
from the bottom centre of the seal gate. Calculate the minimum
pressure required on the ram to open the gate. (Assume the
weight of
the gate is negligible.)
1.0 m
1.0 m
0.1 m
5 m
5
Teesside University Open Learning
(Engineering)
16. ]
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