1. . Psychrometry chart is used to find the thermodynamic properties of _______.
(A) Solids
(B) Metals
(C) Moist Air
(D) Refrigerants
2. . The vertical lines on psychrometric chart is/are _______ lines.
(A) Dry bulb temperature
(B) Enthalpy
(C) Relative humidity
(D) Specific humidity
3. . The lines that make an angle of 45° with the horizontal axis on psychrometric chart is/are _______ lines.
(A) Enthalpy
(B) Specific volume
(C) Wet bulb temperature
(D) Both (a) & (c)
4. . The lines that make an angle of 75° with the horizontal axis on psychrometric chart is/are _______ lines.
(A) Wet bulb temperature
(B) Specific volume
(C) Enthalpy
(D) Both (a) & (c)
5. . The horizontal lines on psychrometric chart is/are _______ lines.
(A) Dew point temperature
(B) Relative humidity
(C) Specific humidity
(D) Both (a) & (c)
6. . The curves on psychrometric chart is/are _________ curves.
(A) Specific Humidity
(B) Absolute Humidity
(C) Relative Humidity
(D) Enthalpy
7. . The unit of humidity ratio in Inch-Pound (IP) system of unit is/are ________.
(A) lb/lb
(B) kg/kg
(C) gr/lb
(D) Both (a) & (c)
8. . The unit of enthalpy in Inch-Pound (IP) system of unit is/are ________.
(A) KJ/kg
(B) Btu/lb
(C) ft³/lb
(D) Both (a) & (c)
9. . The unit of dew point temperature in Inch-Pound (IP) system of unit is/are ________.
(A) Degree Fahrenheit
(B) Degree Centigrade
(C) Kelvin
(D) Rankine
10. . The unit of specific volume in Inch-Pound (IP) system of unit is/are ________.
(A) ft³/lb
(B) m³/kg
(C) lb/ft³
(D) kg/m³