Answer:
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Explanation:
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A displacement transducer has the following specifications Linearity error ±0.1% of reading, Drift ±0.15%/C of reading, sensitiv
ity error ±0.25% of reading, excitation 10-25 V DC, output 0-5 V DC, range 0-5 cm. The output is to be indicated on a voltmeter with accuracy of ±0.15% of the reading and has a resolution of 10 µV. The system will be used at "room temperature" which can vary by as much as 5C. Estimate the design stage uncertainty in a 3.5 cm reading assuming 95% confidence. Read your book to learn more details about this.
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Answer:
v = 21.409 m/s
Explanation:
Given data:
Total weight of the platform and weight together, W = 900 N
Diameter of the water jet = 5 cm = 0.05 m
Now,
the force exerted by the water jet is balancing the platform
also,
Force exerted by the water jet = ρAv²
where,
ρ is the density of the water = 1000 kg/m³
A is the area of the outlet of the jet =
or
A = 0.00196 m²
v is the velocity of the jet
thus,
W = ρAv²
or
900 = 1000 × 0.00196 × v²
or
v = 21.409 m/s
Hence, the velocity of the jet is 21.409 m/s