The dew point of air is reached when the wet bulb temperature is ().
A、A.Twice the dry bulb temperature
B、B.10℃ above the dry bulb temperature
C、C.5℃ above the dry bulb temperature
D、D.Equal to the dry bulb temperature
A、A.Twice the dry bulb temperature
B、B.10℃ above the dry bulb temperature
C、C.5℃ above the dry bulb temperature
D、D.Equal to the dry bulb temperature
A、A.The cargo's temperature is colder than the dew point of the air in the space B、B.The cargo's temperature is warmer than the dew point of the air in the space C、C.The dew point of the air in the space is lower than the dew point of the outside air D、D.All of the above
A、going from a warm to a cold B、the dew point of the outside air is greater than the dew point of the air in the hold C、the dew point of the air in the hold is very low D、the outside dew point is 16°C and the cargo temperature is 12°C
A、going from a warm to a cold climate B、the dew point of the outside air is greater than the dew point of the air in the hold C、the dew point of the air in the hold is very low D、the outside dew point is 16°C and the cargo temperature is 12°C
A、A.going from a warm to a cold climate B、B.the dew point of the outside air is greater than the dew point of the air in the hold C、C.the dew point of the air in the hold is very low D、D.the outside dew point is 16℃ and the cargo temperature is 12℃
A、Cooling the air to a temperature just above dew point B、Heating the air to a point at which moisture will boil off ,then re-cooling it C、Cooling the air to a point below dew point, then reheating it D、Heating the air and then cooling it to a point below dew point
A、the outside air is colder than the cargo B、the air temperature of the hold is higher than the outside air temperature C、the dew point of the hold is higher than the temperature of the cargo D、the dew point of the outside air is lower than the temperature of the cargo
A、the outside air is colder than the cargo B、the air temperature of the hold is higher than the outside air temperature C、the dew point of the hold is higher than the temperature of the cargo D、the dew point of the outside air is lower than the temperature of the cargo
A、secure all ventilation B、shut down the exhaust blowers C、shut down the intake blowers D、ventilate the cargo holds
A、dew point increase B、dew point decreases C、relative humidity increases D、relative humidity decreases
A、dew point increases B、dew point decreases C、relative humidity increases D、relative humidity decreases