The vertical displacement v of a cracked slurry infiltrated fiber concrete member at maximum shear stress is given by v = a + bw, where w is the crack width, and a and b are estimated from data to be a = 2.5 ± 0.1 mm and b = 0.05 ± 0.01. Assume that w = 1.2 ± 0.1 mm.
a. Estimate v, and find the uncertainty in the estimate.
b. Of the uncertainties in w, a, and b, only one has a non-negligible effect on the uncertainty in v. Which one is it?
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The pump in the Rankine cycle raises the pressure of 12 kg/s of water from 20 kPa to 8 MPa. The boiler raises the temperature to 700°C, and the steam exits the turbine at a quality of 0.9, as sketched in the figure. Assume the pump and turbine are adiabatic.
The heat input to the boiler is nearest:
A) 43.6 MJ/s
B) 39.2 MJ/s
C) 31.0 MJ/s
D) 24.8 MJ/s
Explain why split systems were developed
What will be an ideal response?
When installing an exposed grid ceiling system, the first component to be installed is the _____
a. main runners b. hanger inserts and wires c. cross runners (tees) d. wall angle
Describe WiGig and how it might be used in the home.
What will be an ideal response?