1. . Psychrometry deals with the study of _______.
(A) Solids
(B) Metals
(C) Moist Air
(D) Refrigerants
2. . Atmospheric Pressure at sea level is _______.
(A) 14.7 psi
(B) 29.92” Hg
(C) 1.01325 bar
(D) All of these
3. . Nitrogen in the atmosphere by volume is ________.
(A) 78 %
(B) 48%
(C) 28%
(D) 0.8%
4. . The pressure of a perfect gas is inversely proportional to its volume.
(A) Boyle’s Law
(B) Charles’s Law
(C) Newton’s Law
(D) Dalton Law
5. . The mass of water vapors in 1 kg of Dry Air is ________.
(A) Specific Humidity
(B) Absolute Humidity
(C) Relative Humidity
(D) Enthalpy
6. . The mass of water vapors in 1 m³ of Dry Air is ________.
(A) Specific Humidity
(B) Absolute Humidity
(C) Relative Humidity
(D) Enthalpy
7. . The temperature at which water vapors in the moist air begins to condense is ________.
(A) Dry Bulb
(B) Wet Bulb
(C) Dew Point
(D) Depression Point
8. . Mass per unit Volume is ________.
(A) Enthalpy
(B) Specific Weight
(C) Specific Volume
(D) Density
9. . Volume per unit mass is ________.
(A) Enthalpy
(B) Specific Weight
(C) Specific Volume
(D) Density
10. . The instrument used to find the Dry Bulb and Wet Bulb Temperature is _______.
(A) Barometer
(B) Psychrometer
(C) Hygrometer
(D) AVO meter