Related Questions

The ratio of actual mass of water vapour in a given volume of moist air to the mass of water vapour in the same volume of saturated air at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its
A Aqueous tension
B Saturated humidity
C Vapor pressure
D Absolute humidity
The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
A 100 km
B 150 km
C 175 kg
D 125 kg
Which of the following can be calculated theoretically using steam table and Dalton's law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known?
A Dew point
B Humidity ratio
C Wet bulb temperature
D None of these
Fresh fruit contains 68% water and dry fruit contains 20% water, How much dry fruit can be obtained from 100 km of fresh fruits?
A 20 kg
B 30 kg
C 35 kg
D 40 kg
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
A Humidity ratio
B Relative humidity
C Absolute humidity
D Degree of saturation
Fresh grapes contain 80 percent water while dry grapes contain 10 percent water. If the weight of the dry grapes is 250 kg what is total weight when it was fresh? 
A 1000 kg
B 1100 kg
C 1125 kg
D 1225 kg
Which of the following does not discharge the dust collected as a dry solid?
A Electrostatic precipitator
B Wet scrubber
C Bag filter
D Gravity settling chamber
In order to cool and dehumidify a stream of moist air, it must be passed over the coil at a temperature
A Which lies between the dry bulb and wet bulb temperatures of the incoming stream
B Which lies between the wet bulb and dew point temperatures of the incoming stream
C Which is lower than the dew point temperature of the incoming stream
D Of adiabatic saturation of incoming stream
A 19 liter mixture consists by volume of 1 part juice to 18 parts water. If x liters of juice and y liters of water are added to this mixture to make a 54 liter mixture consisting by volume of 1 part juice to 2 parts water, then what is the value of x?
A 36
B 35
C 27
D 18

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