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WorksheetsSTG330 Quiz 2 practice
Total questions: 12
Worksheet time: 19mins
Compared to saturated vapors, superheated vapors have (a) temperatures at the same pressure.
What is the specific volume in m3/kg of water at 125C and 750 kPa? Use the same format the textbook does.
(a)
If water has a specific volume of 0.035 m3/kg at 140C, how would you describe its phase?
Saturated mixture
Saturated liquid
Compressed liquid
Superheated vapor
Water at 300C and 1803 kPa is a compressed liquid.
True
False
Water at 550 kPa and a specific volume of 0.001097 m3/kg is superheated.
True
False
R-134a has a pressure of 80 psia and an enthalpy of 78 Btu/lbm. What is its phase description?
(a)
R-134a has a quality of 1 and a temperature of 110F. What is its pressure in psia?
(a)
R-134a at 10F and 70psia has a quality of 0.2.
True
False
R-134a has a temperature of 20C and an internal energy of 95 kJ/kg. Its phase is
Compressed liquid
Saturated liquid
Saturated mixture
Saturated vapor
Superheated vapor
Label the compressed liquids region of the T-v diagram.
Label the saturation region of the T-v diagram.
Label the superheated vapor region of the T-v diagram.
