204. Which of the parameter remains constant during evaporative cooling process through an air washer with the same water recirculated again and again
A.Wet bulb temperature
B.Dry bulb temperature
C.Dew point
D.Absolute humidity

---

205. Boiling temperature of CO2 is
A.? 33.33?C
B.? 78.5?C
C.? 29.8?C
D.? 40.7?C

---

206. Heating and dehumidification can be achieved simultaneously if air is passed through
A.Sprays of water maintained at a temperature higher than the dew point temperature of the entering air
B.A solid absorbent surface
C.A liquid absorbent spray
D.Any one of the (b) and (c)

---

207. The specific humidity during evaporative cooling process with recirculated water spray
A.Increases
B.(d) decreases
C.Remains same
D.Unpredictable

---

208. Boiling temperature of Fr-12 is
A.? 33.33?C
B.? 78.5?C
C.?29.8?C
D.?40.7?C

---

209. Cooling and humidification can be achieved by washing air through sprays of water maintained at a temperature
A.Lower than the dew point temperature of the entering air
B.Higher than the dry bulb temperature of the entering air
C.Higher than the dew point temperature of the entering air
D.More than the wet bulb temperature of the entering air

---

210. Boiling temperature of Fr-22 is
A.?33.33?C
B.?78.5?C
C.? 29.8?C
D.? 40.7?C

---