Answer:
shearing deformation has to do with change in shape not length, so it should be neglected. As for the data obtained in this experiment, it strongly agree with the statement as all values in the experiment were quite close and were under the target value. Greater than ten percent error.
Answer:
D. Perform a thorough visual inspection.
Answer:
mechanical efficiency = 54%
Explanation:
given data
power We = 44 kW
density = 860 kg/m³
rate of flow = 0.07 m³/s
inlet diameter d1 = 8 cm
outlet diameter d2 = 12 cm
pressure = 500 kPa
efficiency η = 90%
to find out
mechanical efficiency
solution
we get here shaft power is here
shaft power = efficiency × electric power
shaft power = 0.9 × 44 = 39.6
and
now we get DEmech that is
DE(mech)= m g h + (v² - u ²) .....................1
that is we can write as
DEmech = ρVgh +
= VDP + ×
Plugging in values we now have DEmech that is
DEmech = (0.07m^3/s × 500kPa) +
solve we get
DEmech = 21342 W
DEmech = 21.3 kW
mechanical efficiency is
mechanical efficiency =
mechanical efficiency = 0.54
mechanical efficiency = 54%
Answer:
Angle of discharge make at the edge of tube=64.9 degrees.
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