Which of the following types of piping is usually connected by threaded fittings?
a. PVC
b. Copper tubing
c. Stainless steel
d. Carbon steel
d. Carbon steel
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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
How does the building industry distinguish between a low-slope roof and a steep roof?
What will be an ideal response?
A certain car averages 23 2/5 miles per gallon of gas. How far will it travel on 19 3/7 gallons of gas?
A. 430 1/5 B. 440 17/35 C. 448 5/7 D. 454 22/35
The distance between flaws on a long cable is exponentially distributed with mean 12m.
a. What is the value of the parameter ?? b. Find the median distance. c. Find the standard deviation of the distances. d. Find the 65th percentile of the distances.