1.If the mass of liquid to vapor in a mixture of saturated liquid and vapor water is 0.8, what is the quality of the mixture
A) .2
B) .25
C) .55
D) .44
E) .80
2.In the absence of motion, gravity, surface tension, electricity, and magnetism, the state of a pure substance is fixed by fixing at least:
A)one property
B)Two independant properties
C)Three independent properties
D)All Properties
3.A quasi-equilibrium process is one in which all states through which the system passes are very close to:
A)each other
B)The original state
C)Equilibrium States
D)Low energy states
E)None of the above
4.A series of W130x24 steel joists (23.8 kg/m) are used to support a ?at roof system. Determine the specified dead loading (D for ULS [kN/m]) for one interior joist subject to the following: - joists spaced at 2.0 meters on center - joists support 89 mm decking (390 N/m2 ) - decking covered by 5 ply felt and gravel roo?ng (310 N/m2 ) - building of normal importance